Security Management | System Administration
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This document discusses several ethical, legal, and policy issues related to system and network administration. It addresses the potential invasion of user privacy when reviewing browser or email activity. It also discusses ensuring equal reporting of any infractions and protecting sensitive company information. The document also provides guidance on configuring security settings like local users and groups, antivirus software, Windows firewall rules, and proxy server settings.
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System security
The document discusses system security and defines key related terms. System security is the ability of a system to protect itself from accidental or deliberate attacks. It is essential for availability, reliability, and safety as most systems are networked. Without proper security, systems are vulnerable to damage like denial of service, data corruption, and disclosure of confidential information. Security can be achieved through strategies such as avoiding vulnerabilities, detecting and eliminating attacks, and limiting exposure and enabling recovery from successful attacks.
Physical Security Presentation
This document discusses physical security for protecting enterprise resources including people, data, and facilities. It covers assessing threats and vulnerabilities, choosing a secure site location, designing security for the building structure and environment, implementing physical and administrative controls, and ensuring life safety measures like fire detection and suppression. Key considerations include perimeter security, access control, environmental factors, emergency procedures, and compliance with standards to help ensure security.
Network Security Goals
The document outlines the goals of network security which are confidentiality, integrity, and availability. Confidentiality aims to hide data from unauthorized people through encryption. Integrity seeks to prevent unauthorized modification of data using hashing. Availability aims to prevent loss of access to resources for authorized users by developing efficient network design, preventing malicious activity like DDoS attacks, ensuring sufficient bandwidth, and removing duplex mismatches. The document was presented by an instructor from the Faculty of Computer Science at Kabul Education University to discuss network security goals and methods.
Security Awareness Training
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Network Security
The document discusses why network security is important and outlines common security threats and network attacks. It notes that as networks have grown in size and importance, security compromises could have serious consequences. It describes various types of threats like hackers, crackers, viruses and malware that target network vulnerabilities. It also provides examples of reconnaissance attacks, denial of service attacks, and different strategies that can be used to mitigate security risks.
Information security
The document discusses information security and its importance. It defines information and information security, and outlines threats like different types of attacks. It explains the three principles of information security - confidentiality, integrity, and availability. It also discusses security across different aspects like data security, computer security and network security. The document emphasizes that information is a valuable asset for organizations that needs suitable protection.
What is Network Security?
With the increasing reliance on technology, it important to secure online information. Understand how to get the most out of your network security.
system Security
security
,
system
,
introduction
,
threats to computer system
,
computer
,
security
,
types of software
,
system software
,
bios
,
need of an operating system
,
major functions of operating system
,
types of operating system
,
language
,
processor
,
application software
,
thank you
Recommended
System security
The document discusses system security and defines key related terms. System security is the ability of a system to protect itself from accidental or deliberate attacks. It is essential for availability, reliability, and safety as most systems are networked. Without proper security, systems are vulnerable to damage like denial of service, data corruption, and disclosure of confidential information. Security can be achieved through strategies such as avoiding vulnerabilities, detecting and eliminating attacks, and limiting exposure and enabling recovery from successful attacks.
Physical Security Presentation
This document discusses physical security for protecting enterprise resources including people, data, and facilities. It covers assessing threats and vulnerabilities, choosing a secure site location, designing security for the building structure and environment, implementing physical and administrative controls, and ensuring life safety measures like fire detection and suppression. Key considerations include perimeter security, access control, environmental factors, emergency procedures, and compliance with standards to help ensure security.
Network Security Goals
The document outlines the goals of network security which are confidentiality, integrity, and availability. Confidentiality aims to hide data from unauthorized people through encryption. Integrity seeks to prevent unauthorized modification of data using hashing. Availability aims to prevent loss of access to resources for authorized users by developing efficient network design, preventing malicious activity like DDoS attacks, ensuring sufficient bandwidth, and removing duplex mismatches. The document was presented by an instructor from the Faculty of Computer Science at Kabul Education University to discuss network security goals and methods.
Security Awareness Training
This document summarizes a security awareness training presentation that covered topics such as why security training is important, 21st century security threats, PCI compliance, security objectives and challenges, data classification, and security responsibilities. It provided examples of security incidents, the costs of data breaches, PCI DSS requirements, and outlined the company's security framework including defenses, controls, and challenges around excessive data retention, vulnerable infrastructure, lack of documentation and logging.
Network Security
The document discusses why network security is important and outlines common security threats and network attacks. It notes that as networks have grown in size and importance, security compromises could have serious consequences. It describes various types of threats like hackers, crackers, viruses and malware that target network vulnerabilities. It also provides examples of reconnaissance attacks, denial of service attacks, and different strategies that can be used to mitigate security risks.
Information security
The document discusses information security and its importance. It defines information and information security, and outlines threats like different types of attacks. It explains the three principles of information security - confidentiality, integrity, and availability. It also discusses security across different aspects like data security, computer security and network security. The document emphasizes that information is a valuable asset for organizations that needs suitable protection.
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system Security
security
,
system
,
introduction
,
threats to computer system
,
computer
,
security
,
types of software
,
system software
,
bios
,
need of an operating system
,
major functions of operating system
,
types of operating system
,
language
,
processor
,
application software
,
thank you
Security policies
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Chapter 1: Overview of Network Security
This document provides an overview of network security. It discusses security attacks like passive attacks (eavesdropping) and active attacks (modifying data). It outlines security services like confidentiality, authentication, integrity, non-repudiation, and access control. It also discusses methods of defense against attacks, including encryption, software/hardware controls, security policies, and physical controls. The document defines key security terms and concepts.
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Network Security
While computer systems today have some of the best security systems ever, they are more vulnerable than ever before.
This vulnerability stems from the world-wide access to computer systems via the Internet.
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Network security involves protecting computer networks from threats. It targets a variety of threats to stop them from entering or spreading on a network. The objectives of network security are access, confidentiality, authentication, integrity, and non-repudiation. As networks became more common in the 1980s and 1990s, security concerns increased and organizations like CERT were created to address issues. Network security uses multiple layers including firewalls, intrusion prevention systems, antivirus software, and encryption to secure networks from threats.
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This document provides an overview of network security. It discusses security attacks like passive attacks (eavesdropping) and active attacks (modifying data). It outlines security services like confidentiality, authentication, integrity, non-repudiation, and access control. It also discusses methods of defense against attacks, including encryption, software/hardware controls, security policies, and physical controls. The document defines key security terms and concepts.
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Basics of Information System Security
This document provides an overview of information security basics. It discusses how information security aims to prevent unauthorized use, disclosure, alteration or substitution of electronic data through measures that ensure confidentiality, integrity and availability of information. It also outlines some key building blocks of secure systems like identification, authentication, authorization, and integrity. The document describes security processes, attacks against systems, and approaches for prevention, detection and response to security incidents.
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1. Security Attacks and Threats
2. Security Services
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Following are the topics covered in this PPT:
Introduction to Cybersecurity
What is Application Security?
What is an SQL Injection attack
Demo on SQL Injection
Follow us to never miss an update in the future.
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
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This document outlines various security training areas including general security awareness, virus protection, accessing systems, password management, and wireless use. It discusses protecting systems from unauthorized access and infection by using trusted sites, keeping antivirus software updated, not sharing login information, using strong passwords, and reporting any suspicious activity. The goal of security is to protect privacy and information on systems.
Network Security
While computer systems today have some of the best security systems ever, they are more vulnerable than ever before.
This vulnerability stems from the world-wide access to computer systems via the Internet.
Computer and network security comes in many forms, including encryption algorithms, access to facilities, digital signatures, and using fingerprints and face scans as passwords.
Employee Security Awareness Training
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Network security
Network security involves protecting computer networks from threats. It targets a variety of threats to stop them from entering or spreading on a network. The objectives of network security are access, confidentiality, authentication, integrity, and non-repudiation. As networks became more common in the 1980s and 1990s, security concerns increased and organizations like CERT were created to address issues. Network security uses multiple layers including firewalls, intrusion prevention systems, antivirus software, and encryption to secure networks from threats.
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Similar to Security Management | System Administration
Security Policy Checklist
This document provides a comprehensive checklist to help create or audit an IT security policy. The checklist covers a wide variety of topics including web browsing, usernames/passwords, email, file access permissions, backups, disaster recovery, physical security, and security for PCs/laptops. For each topic, it lists key planning items and considerations to develop a thorough policy that protects organizational assets and data.
2 Understand what is meant by professional practice
The document discusses several topics related to professional practice in IT, including the Data Protection Act, Computer Misuse Act, quality management systems, professional bodies, and benefits of membership in professional organizations. Specifically:
- The Data Protection Act defines UK law on processing personal data and requires that personal information be used fairly, lawfully, and securely.
- The Computer Misuse Act makes it a crime to access computers without permission or with intent to commit further offenses like theft of personal information.
- Quality management systems help ensure products and services meet defined quality criteria through procedures like quality control testing.
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Part 1 List the basic steps in securing an operating system. Assume.pdf
Part 1: List the basic steps in securing an operating system. Assume that the O.S. is being
installed for the first time on new hardware.
Part 2: Name and briefly describe two ways that college students could be recruited into illegal
espionage.
Part 3: Explain the function of the trusted boot function of the trusted platform module (TPM.)
Tell how that is related to the current controversy between Apple and the FBI concerning
encryption. What could the FBI do in the absence of a trusted boot function?
Part 4: Define single loss exposure and annualized risk of occurrence. Explain in your own
words what these have to do with computer security.
Part 5: Explain why it is important to monitor outbound traffic as well as inbound traffic in a
corporate network. Give an example
Solution
Part1:-
There are three things that can enhance operating system security across an enterprise network:
First, provisioning of the servers on the network should be done once in one place, involving the
roughly tens of separate configurations most organizations require. This image, or set of images,
can then be downloaded across the network, with the help of software that automates this process
and eliminates the pain of doing it manually for each server. Moreover, even if you had an
instruction sheet for these key configurations, you wouldn\'t want local administrators to access
these key configurations for each server, which is very dangerous. The best way to do it is once
and for all.
Once the network has been provisioned, administrators need to be able to verify policy
compliance, which defines user access rights and ensures that all configurations are correct. An
agent running on the network or remotely can monitor each server continuously, and such
monitoring wouldn\'t interfere with normal operations.
Second, account management needs to be centralized to control access to the network and to
ensure that users have appropriate access to enterprise resources. Policies, rules and intelligence
should be located in one place—not on each box—and should be pushed out from there to
provision user systems with correct IDs and permissions. An ID life cycle manager can be used
to automate this process and reduce the pain of doing this manually.
Third, the operating system should be configured so that it can be used to monitor activity on the
network easily and efficiently—revealing who is and isn\'t making connections, as well as
pointing out potential security events coming out of the operating system. Administrators can use
a central dashboard that monitors these events in real time and alerts them to serious problems
based on preset correlations and filtering. Just as important, this monitoring system should be set
up so that administrators aren\'t overwhelmed by routine events that don\'t jeopardize network
security.
Part2:-
Two ways that college students could be recruited into illegal espionage:
First, the students may be trend before they sending out to the foreign .
Spyware and rootkit
This presentation provides the information about the spyware, types of spyware, spyware programs, rootkit and its type
Part 3 ApplicationEnd-User Security Recommendations.docx
Part 3: Application/End-User Security Recommendations
Introduction
A robust network security strategy is one that actively involves the entire stakeholders of the system. The network administrator has the responsibility of ensuring that best practices in information security management are implemented throughout the entirety of the system they oversee. Threats to a system exist both within and outside an organization. This necessitates the need for a comprehensive security strategy that can cover all those potential threats. Information security threats are of a dynamic nature and the network administrator should take this consideration to ensure that they are always on top of any emerging threats. System vulnerabilities should be sought and effectively sealed and this should be a regular task.
End User Security Recommendations
Best practice in network security will require that the users and the firm abide by the following:
• Training and awareness – all employees of the company should have a firm grasp of matters pertaining network security. This will come through the training that should be offered by the company. The training should involve how to spot and identify threats, how to combat them, and how to handle them should they occur. As new threats emerge, the firm will need to create a continuous awareness program to inform its employees on them.
• Effective monitoring program – even after training has been done, this is not reason enough to believe employees will adhere to the lessons learnt. As such, the IT personnel should be empowered to conduct random checks on the security behavior of the firm’s employees. This will help in identifying potential weak spots.
• Unique user credentials – each and every employee that has been granted use of computer resources should do so with their own unique username and a password that should not be shared with any other user. The password should be complex enough that no one could possibly guess. The user should avoid using passwords from familiar objects or people. A strong password should have a mix of alphanumeric and special characters. For every activity a user does on any computer, they will be required to use their own unique credentials. This should leave an audit that can be followed should there be an incident.
• Automatic logoff – it is possible that a user might leave a computer without logging out from their session. This opens the possibility that another user might access resources using the logged in credentials. This could be devastating should the unauthorized have malicious intent and the logged on credentials have advanced permissions. Automatic logoff should be set to happen after a given period of time. This should especially happen after the end of prescribed business hours.
• Regular event log audits – event logs are very important when it comes to monitoring the performance of a given system. They can also be used to spot any anomalies within the system. Event log.
Medical facility network design
This document provides an executive summary and network design plans for a new medical facility network. It includes an overview of the physical and logical network diagrams. It also outlines various network policies for internet access, printing, storage, email usage, user administration, naming conventions, protocols, workstation configuration, network device placement, and security. The security policies address procedures for user accounts, passwords, network access, firewalls, encryption, logging, physical access, intrusion detection/prevention, and vulnerability assessments. Violations of the security policy are also addressed. The network is designed to support 225 users while meeting HIPAA requirements and allowing offsite access.
Advantages And Disadvantages Of Nc
The document discusses network infrastructure vulnerabilities and network security concepts. It notes that security services are an integral part of network design and assessing vulnerabilities is important for network planning. Some common network infrastructure vulnerabilities that will be covered include unauthorized access, denial of service attacks, and data interception. Network security concepts like authentication, authorization, confidentiality and integrity will also be analyzed.
Ch06 Policy
The document discusses the importance of policy in defining an organization's security scope and expectations. It provides examples of key policies around information, security, computer and internet use, and procedures for user management, backups, incident response and disaster recovery. Effective policy creation involves risk assessment, stakeholder input, and regular review to ensure ongoing relevance. Deployment requires security awareness training and compliance audits.
Security & control in management information system
The document discusses security concepts in information systems including prevention of unauthorized access, modification, and deletion of information. It outlines unintentional threats like human error and intentional threats like criminal attacks. The goals of information security are prevention, detection, and response. Risks to applications and data include computer crime, hacking, cyber-theft, unauthorized work use, software piracy, and viruses/worms. Risks to hardware include natural disasters, blackouts, and vandalism. Major defense strategies are encryption, authentication, firewalls, email monitoring, antivirus software, backup files, security monitors, and biometric controls. The document also discusses disaster recovery, business recovery plans, and general controls to minimize errors and disasters.
Internet usage policy(1)
The document outlines an internet usage policy for the Fiji government. It discusses management and administration of internet access, technical provisions, and security. Key points include that internet access is primarily for business purposes, personal usage is limited to breaks, and all usage may be monitored. Downloading is restricted and requires approval. Strict password security and virus scanning is required. No sensitive systems can be directly connected to the internet. All employees must sign that they understand and will comply with the policy.
A COMBINATION OF THE INTRUSION DETECTION SYSTEM AND THE OPEN-SOURCE FIREWALL ...
There are many security models for computer networks using a combination of Intrusion Detection System and Firewall proposed and deployed in practice. In this paper, we propose and implement a new model of the association between Intrusion Detection System and Firewall operations, which allows Intrusion Detection System to automatically update the firewall filtering rule table whenever it detects a weirdo intrusion. This helps protect the network from attacks from the Internet.
A Combination of the Intrusion Detection System and the Open-source Firewall ...
There are many security models for computer networks using a combination of Intrusion Detection System and Firewall proposed and deployed in practice. In this paper, we propose and implement a new model of the association between Intrusion Detection System and Firewall operations, which allows Intrusion Detection System to automatically update the firewall filtering rule table whenever it detects a weirdo intrusion. This helps protect the network from attacks from the Internet.
Total Security MAC User Guide
We have ensured that all the details
provided in this guide are updated to the latest enhancements of the software.
Cis 349 Extraordinary Success/newtonhelp.com
For more course tutorials visit
www.newtonhelp.com
CIS 349 Final Exam Guide Set 1
1) ___________ are the components, including people, information, and conditions, that support business objectives.
2) The first step in the implementation of separation of duties is to use
Monitoring of computers
This document provides instructions on how to use the Reliability Monitor and Performance Monitor tools in Windows to monitor system reliability and performance. It describes how Reliability Monitor calculates a System Stability Index and provides a stability report. It also explains how to open Performance Monitor to view performance data in real time or from log files, and how to connect to remote computers to monitor them. The document recommends increasing monitoring capabilities using Data Collector Sets to store log and trace information as well as general alerts.
Information security policy
This document outlines an information security policy for infrastructure hardening. It details procedures to minimize vulnerabilities through a hardening process. This includes installing systems as instructed, removing unnecessary software, disabling unused accounts and services, applying patches, conducting vulnerability scans, and configuring firewalls and antivirus software before deploying systems. Requirements specify how to approve, restrict, and manage software, passwords, firewalls, patching, and removable media to protect organizational assets.
Rules of Behavior
This document provides Rules of Behavior for the internal and external users of the <Information System Name> system. The Rules of Behavior describe security controls associated with user responsibilities and expectations for following security policies. Section 1 provides an overview of Rules of Behavior. Section 2 describes recommended Rules of Behavior for internal users, such as complying with copyright, reporting security incidents, and safeguarding resources. Section 3 describes recommended Rules of Behavior for external users, such as maintaining credential confidentiality, reporting security incidents, and using encryption. Both sections require users to sign acceptance of the Rules of Behavior.
Introduction to Network and System Administration
The document provides an overview of computer networks and system administration. It defines what a computer network is and describes different types of networks including WANs, LANs, peer-to-peer networks, and the internet. It also discusses servers, switches, hubs and the roles and responsibilities of a system administrator. Key aspects of system administration include automating tasks, documenting all changes, communicating with users, securing systems, and planning for expected and unexpected issues.
Chapter 13
This document discusses electronic security in computer networks. It covers securing network information through confidentiality, availability, and integrity. It describes authentication of users, acceptable use policies, and information integrity. It also discusses threats to security like hackers, viruses, and malicious insiders. Finally, it outlines security tools like firewalls, proxy servers, and intrusion detection systems that can help secure networks.
Ch15 power point
This document discusses information security and copyright in a healthcare context. It covers fair use principles, securing network information through authentication, authorization and other methods. It also discusses threats like hackers, viruses and insiders and tools to enhance security like firewalls and intrusion detection. The document concludes with questions about fair use of copyrighted material and appropriate use of patient information.
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2 Understand what is meant by professional practice
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Security Management | System Administration
- 2. Ethical issues for systems and networks administration Invasion of Privacy System or Network Administrators might be directed to review browser activities and emails of employees to ensure they are complying with Internet usage policies. Equality in Reporting There may be some concern with what information about an employee’s activities should be reported. It will need to be determined what constitutes as a serious infraction that will need to be reported. Sensitive Information System or Network Administrators must be trusted to know proprietary technologies and business practices that could be useful to other companies. Non-disclosure agreements can provide guidance to what information can or cannot be shared.
- 3. Legal issues for systems and networks administration Invasion of Privacy “The Electronic Communications Privacy Act allows system administrators to access a person's electronic information in the normal course of employment, when necessary, to protect the Integrity of computing and networking resources” of an organization (US Department of Justice, 2013). Intercepting Electronic Communications Potentially violating The Wiretap Act by installing sniffer software to monitor employee activities (i.e., pornography or music downloads on the network), and uses or releases the information (Cybertelecom, 2017).
- 4. Policy issues for systems and networks administration Security Policies Be able to identify and prevent information from being compromised and the abuse of business-related data, applications, computer systems, and networks. Acceptable Use Policies Ensure there are proper and complete guidelines for instructing users on acceptable and unacceptable computing usage. Copyright and Licensing Policies • Implement procedures to ensure software license and copyright compliance. • Ensure users don’t copy software unless permitted by the licensing agreement. • Conduct annual audits on installed software to determine compliance.
- 5. User and Group Security 1. From the Control Panel, click on the Administrative Tools icon. 2. Click on Computer Management icon. 3. Double-click on Local Users and Groups. 4. Expand the folders to list the user accounts and groups. 5. Right-click on the Users folder, and select New User… 6. Enter required info, and click Create. Using Local Users and Groups can limit the actions that can be performed on the computer through the assignment of rights and permissions.
- 6. User and Group Security 1.Right-click on the Group folder, and select New Group… 2.Enter a name for the new Local Group. 3.Members (Users) can be assigned to the Group. 4.Click Create.
- 7. User and Group Security 1.Right-click on a User and select Properties to modify. 2.General tab 1. Disable the account 2. Set password rules 3.Member Of tab 1. Assign user to group(s) 4.Profile tab 1. Set paths and Home folder 5.Right-click on Group to set properties or assign Members.
- 8. Implementing Virus Protection Install and maintain current antivirus software It is important to keep antivirus software up-to-date to protect against new viruses which are constantly emerging. Scan internal disk drives and external media Complete scans should be scheduled once a week and after operating system updates are downloaded and installed. Block potentially dangerous attachments Certain types of attachments should be blocked from being received via email as they may execute a virus or malicious program that can infect all the computers on the network. Develop a reaction plan • Review security bulletins and verify any warnings about new viruses. • Block services that might be vulnerable to the virus. • Deploy anti-virus updates as they become available.
- 9. Configuring a network-based firewall 1.Select Windows Firewall from the Control Panel. 2.Click Advanced Settings in the left pane. 3.Click the Inbound Rules node from the dialog window. 4.Scroll to find the rule you want to modify, such as the File and Printer Sharing (Echo Request- ICMPv4-In) rule The Inbound Rules pane displays the details of various firewall inbound rules. (Xvoucher, 2015)
- 10. Configuring a network-based firewall 5.Right-click the rule and select Properties. 6.Under the General tab, within the Action section, select the Block the connection radio button. 7.Click Apply to save changes, and then OK to close the dialog box. 8.The rule will displays a blocked icon. (Xvoucher, 2015)
- 11. Configuring proxy settings 1.From the Control Panel, select Internet Options. 2.Under the Connections tab, click LAN settings. 3.In the dialog box, check Use a proxy server for your LAN. 4.Type the address and port of your proxy server. 5.Click OK to close all dialog boxes. (Smith, 2014)
- 12. References Cybertelecom. (2017, January 3). Wiretap Act. Retrieved from http://www.cybertelecom.org/security/ecpaexception.ht m Smith, R. (2014, August 13). Network Security: Using Windows Firewall with Advanced Security. Retrieved from http://www.howtogeek.com/school/windows-network- security/lesson5/all/ US Department of Justice. (2013, July 30). Electronic Communications Privacy Act of 1986. Retrieved from https://it.ojp.gov/PrivacyLiberty/authorities/statutes/1285 Xvoucher. (2015). CompTIA A+ Certification