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Security and Ethical Challenges Contributors: Kim Wandersee, Les Pang Computer Security Computer Security Goals Computer security must be viewed in a holistic manner and provide an end-to-end protection as data moves through its lifecycle. Data originates from a user or sensor, passes over a network to reach a computing system that hosts software. This computer system has software and processes the data and stores in in a storage device. That data is backed up on a device and finally archived. The elements that handle the data need to be secure. Computer security pertains to all the means to protect the confidentiality, integrity, availability, authenticity, utility, and possession of data throughout its lifecycle. Confidentiality: A security principle that works to ensure that data is not disclosed to unauthorized persons. Integrity: A security principle that makes sure that information and systems are not modified maliciously or accidentally. Availability: A security principle that assures reliable and timely access to data and resources by authorized individuals. Authenticity: A security principle that the data, transactions, communications or documents are genuine, valid, and not fraudulent. Utility: A security principle that addresses that the information is usable for its intended purpose. . Possession: A security principle that works to ensure that data remains under the control of the authorized individuals. Figure 1. Parkerian Hexad (PH) security model. The Parerian Hexad (PH) model expands on the Confidentiality, Integrity, and Availability (CIA) triad that has been the basic model of Information Security for over 20 years. This framework is used to list all aspects of security at a basic level. It provides a complete security framework to provide the means for information owners to protect their information from any adversaries and vulnerabilities. It adds Authenticity, Utility, and Possession to CIA triad security model. It addresses security aspects for data throughout its lifecycle. The Center for Internet Security has identified 20 controls necessary to protect an organization from known cyber-attack. The first 5 controls will provide effective defense against the most common cyber-attacks, approximately 85% of attacks. The 5 controls are: 1. Inventory of Authorized and Devices 2. Inventory of Authorized and Unauthorized Software 3. Secure Configurations for Hardware and Software 4. Continuous Vulnerability Assessment and Remediation 5. Controlled User of Administrative Privileges A full explanation of all 20 controls is available at the Center for Internet Security website. Search for CIS controls. Security Standards and Regulations The National Institute of Standards and Technology (NIST), Computer Security Division, provides security standards in its Federal Information Processing Standards ( ...
Security and Ethical Challenges Contributors Kim Wanders.docx
Security and Ethical Challenges Contributors Kim Wanders.docx
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In computer security, a vulnerability is a weakness which allows an attacker to reduce a system\'s information assurance. Vulnerability is the intersection of three elements: a system susceptibility or flaw, attacker access to the flaw, and attacker capability to exploit the flaw.[1] To exploit a vulnerability, an attacker must have at least one applicable tool or technique that can connect to a system weakness. In this frame, vulnerability is also known as the attack surface. Vulnerabilities are flaws in computer software that create weaknesses in your computer or network’s overall security. Vulnerabilities can also be created by improper computer or security configurations. Threats exploit the weaknesses of vulnerabilities, resulting in potential damage to the computer or its data. The impact of a security breach can be very high. The fact that IT managers, or upper management, can (easily) know that IT systems and applications have vulnerabilities and do not perform any action to manage the IT risk is seen as a misconduct in most legislations. Intrusion detection system is an example of a class of systems used to detect attacks. Some sets of criteria to be satisfied by a computer, its operating system and applications in order to meet a good security level have been developed: ITSEC and Common criteria are two examples. Vulnerability falls under security like computer security, network security,etc. How to mitigate the risk § Install Anti-Virus Software. Ensure that reputable anti-virus software is installed on all computers. This should include all servers, PCs and laptops. If employees use computers at home for business use or to remotely access the network, these PCs should also have anti-virus software installed. § Ensure that the anti-virus software is up to date. Everyday new computer viruses are being released and it is essential that businesses are protected from these viruses by keeping the anti-virus software up to date. If possible, companies should look at policies whereby computers that do not have the most up to date anti-virus software installed are not allowed to connect to the network. § Employ a firewall to protect networks. As computer viruses can spread by means other than email, it is important that unwanted traffic is blocked from entering the network by using a firewall. For users that use computers for business away from the protection of the company’s network, such as home PCs or laptops, a personal firewall should be installed to ensure the computer is protected. § Filter all email traffic. All incoming and outgoing email should be filtered for computer viruses. This filter should ideally be at the perimeter of the network to prevent computer viruses. Emails with certain file attachments commonly used by computer viruses to spread themselves, such as .EXE, .COM and .SCR files, should also be prevented from entering the network. § Educate all users to be careful of suspicious e-mails. Ensure that all users know to .
In computer security, a vulnerability is a weakness which allows an .pdf
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Running Head: Security Assessment Repot (SAR) 1 Security Assessment Report (SAR) 27 Intentionally left blank Security Assessment Report (SAR) CHOICE OF ORGANIZATION IS UNIVERSITY OF MARYLAND MEDICAL CENTER (UMMC) OR A FICTITIUOS ORGANIZATION (BE CREATIVE) Introduction · Research into OPM security breach. · What prompts this assessment exercise in our choice of organization? “but we have a bit of an emergency. There's been a security breach at the Office of Personnel Management. need to make sure it doesn't happen again. · What were the hackers able to do? OPM OIG report and found that the hackers were able to gain access through compromised credentials · How could it have been averted? A) security breach could have been prevented, if the Office of Personnel Management, or OPM, had abided by previous auditing reports and security findings.b) access to the databases could have been prevented by implementing various encryption schemas and c) could have been identified after running regularly scheduled scans of the systems. Organization · Describe the background of your organization, including the purpose, organizational structure, · Diagram of the network system that includes LAN, WAN, and systems (use the OPM systems model of LAN side networks), the intra-network, and WAN side networks, the inter-net. · Identify the boundaries that separate the inner networks from the outside networks. · include a description of how these platforms are implemented in your organization: common computing platforms, cloud computing, distributed computing, centralized computing, secure programming fundamentals (cite references) Threats Identification Start Reading: Impact of Threats The main threats to information system (IS) security are physical events such as natural disasters, employees and consultants, suppliers and vendors, e-mail attachments and viruses, and intruders. Physical events such as fires, earthquakes, and hurricanes can cause damage to IT systems. The cost of this damage is not restricted to the costs of repairs or new hardware and software. Even a seemingly simple incident such as a short circuit can have a ripple effect and cost thousands of dollars in lost earnings. Employees and consultants; In terms of severity of impact, employees and consultants working within the organization can cause the worst damage. Insiders have the most detailed knowledge of how the information systems are being used. They know what data is valuable and how to get it without creating tracks. Suppliers and vendors; Organizations cannot avoid exchanging information with vendors, suppliers, business partners, and customers. However, the granting of access rights to any IS or network, if not done at the proper level—that is, at the least level of privilege—can leave the IS or ne ...
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1. Written assignments/communication must demonstrate professionalism, proper grammar, spelling and clarity of communication. Assignments handwritten or single-spaced will not be accepted. Poorly written assignments will receive a lowered grade. Do not let the power of your ideas be affected by poor grammar, spelling or clarity. Here are the formatting requirements for the files: · Must have a cover page showing the title of the paper, due date, authors of the paper and class# · In doc or docx format only (submissions other file formats will receive no credit) · Margins1”,top, bottom, right and left · Acceptable fonts: Arial or, Times new roman · Font color: black – Using other colors on the cover page is allowed · Font height: 12 pts. · Line spacing: double Ranking The Pairs Team "A" CMGT/430 September 29, 2016 Richard Zinne Ranking The Pairs Vulnerability Threat Probability Impact Suggested Mitigation Steps Activity Monitoring Security scans and Intrusion deception systems 3 (High) 3(High) (6) Firewall and Security System monitoring will be up-to-date and logs will be looked at once a week unless others needed Patch levels Unnecessary exposure to known attack vectors 3 (High) 3 (High) (6) Use of vulnerability scanning tools to monitor unpatched systems. A policy that includes the governance, standards and schedule of patching. Employment of best practice patch methods and procedures. Insiders (poorly trained, disgruntled, malicious, negligent, dishonest, or terminated employees) Potentially allowing attackers to cause excessive heating, furnace failures or frozen water pipes by manipulating thermostat functionality. 3 (High) 3 (High) (6) Ensure company security policy is in effect immediately following a terminated employee. Poor implementation of file export capability in business enterprise software. Asset leakage which can happen through brute force attacks and even guesswork. 3 (High) 3 (High) (6) Enterprise Resource Planning (ERP). Use of session cookies to maintain state over HTTP browsers. The cookies could be reverse engineered and leading to attackers identifying loopholes in the logic. 2 (Med) 3(High) (5) Store no sensitive or secure data in cookies or other headers, insure you have an expirations time OS command execution in function modules. An attacker could have the ability to execute OS commands even without authorization. 2 (Med) 3 (High) (5) CALL 'SYSTEM'/ SAP authorizations Door locks and padlocks from vendors like Quicklock, iBlulock, Plantraco, Ceomate, were found to be vulnerable to password sniffing and replay attacks. A captured command can be replayed later to open the locks. Giving access to Highly Secured Areas. - Loosing Critical Information and Data within Organizational systems. 2 (Med) 3 (High) (5) Ensure latest door lock and padlock software, along with all drivers are updated. Susceptibility to dust, heat and humidity - Hardware failure 2 (Med) 3 (High) (5) Prep ...
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