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Comp tia a+_session_14
 

Comp tia a+_session_14

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    Comp tia a+_session_14 Comp tia a+_session_14 Presentation Transcript

    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Objectives In this session, you will learn to: Describe security fundamentals. Identify security protection measures. Identify methods for securing data and the physical components of computer systems. Ver. 1.0 Session 14 Slide 1 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Security Fundamentals Security fundamentals are important to implement a secure personal computer, to protect it from the threats. Security implementations are constructed from fundamental building blocks. Ver. 1.0 Session 14 Slide 2 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Corporate Security Policies • A corporate security policy is a formalized statement that defines how security will be implemented within a particular organization. Individual policy Resources to protect Formal policy statement Implementation measures Ver. 1.0 Session 14 Slide 3 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Security Incident Reports • A security incident report is any mechanism that documents and communicates a possible or confirmed security incident and any response to the incident. Timely reporting Paper form Documents and communicates incident and response Ver. 1.0 Session 14 Slide 4 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Authentication • Authentication is a network security measure in which a computer user or some other network component proves its identity in order to gain access to network resources. Who I am How do I know? User name & password Approved Ver. 1.0 Session 14 Slide 5 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Authentication Methods There are several major categories of authentication methods in use today, such as: User name and password Biometrics Smart cards Password Multi-factor User Name User name/password Fingerprint scanner Biometrics Ver. 1.0 Session 14 Slide 6 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Authentication Methods (Contd.) Smart cards Password Multi-factor Ver. 1.0 Session 14 Slide 7 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Biometric Authentication Methods • Biometrics are authentication schemes based on individuals’ physical characteristics, such as fingerprints or vocal patterns. • Types of biometrics are: Fingerprint scan Retinal scan Voice recognition Face recognition Biometric authentication token Ver. 1.0 Session 14 Slide 8 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Password Management Password are managed securely by: Create complex passwords Change passwords regularly Implement SSO Store passwords securely Use password-management software for multiple passwords Do not share passwords Password Ver. 1.0 Session 14 Slide 9 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Access Control • Access control is a security measure that gives an administrator the ability to allow or deny access to resources, objects, and data. 1. User authenticated 2. Allowed or denied access to resources Ver. 1.0 Session 14 Slide 10 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation User Account Types Windows 2000 Professional and Windows XP Professional includes the following type of user accounts provide initial access to the computer. Built-in Administrator Guest Administrator Guest Ver. 1.0 Session 14 Slide 11 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Groups • Built-in Group accounts that control the basic system security include: Administrators Backup Operators Guests Power Users Users Ver. 1.0 Session 14 Slide 12 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Access Control Measures Three primary mechanisms for managing access control are: Mandatory Access Control (MAC) Discretionary Access Control (DAC) Role-based Access Control (RBAC) Mandatory Access Control Discretionary Access Control Role-based Access Control (MAC) (DAC) (RBAC) Ver. 1.0 Session 14 Slide 13 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Rights • Rights are security mechanisms that enable users to perform system-wide actions, such as shutting down the computer. Change system time Log on System-wide abilities Back up files Shut down computer Ver. 1.0 Session 14 Slide 14 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Auditing • Auditing is a security measure that tracks user and operating system activities by recording selected types of events in a log. Security log User and system activities Ver. 1.0 Session 14 Slide 15 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Security Protection Measures • Security protection measures enable you to manage a secure personal computer. Ver. 1.0 Session 14 Slide 16 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Encryption • Encryption is a security measure in which information is encoded or scrambled so that it cannot be read unless the recipient knows the decoding mechanism, or key. Client Server Ox12j Data Encrypted data Decrypted data Ver. 1.0 Session 14 Slide 17 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Data Encryption Methods • Three main techniques for encrypting data are: Hashing Symmetric encryption Asymmetric encryption Hashing Symmetric Asymmetric Ver. 1.0 Session 14 Slide 18 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Malicious Software • Malicious software is any unwanted software that has the potential to damage a system, impede performance, or create a nuisance condition. Attacker Ver. 1.0 Session 14 Slide 19 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Types of Malicious Software • Types of malicious software are: Viruses Worms Trojans Logic Bombs Spyware Adware Grayware Spam Hoaxes Ver. 1.0 Session 14 Slide 20 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Malicious Software Protection Techniques To protect the system against malicious software the techniques are: Anti-virus and other protective software Email attachment security Pop-up blockers Spam blocks and filters Trusted installation sources User awareness Ver. 1.0 Session 14 Slide 21 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Firewalls • A firewall is a software program or hardware device that protects networks from unauthorized data by blocking unsolicited traffic. Allowed traffic Firewall Denied traffic Ver. 1.0 Session 14 Slide 22 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation File System Security Measures To secure the file system from access by unauthorized users measures that are taken are: File system permissions File encryption Format partitions to NTFS Ver. 1.0 Session 14 Slide 23 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Data and Physical Security • Implementing all system security measures is to protect computing systems themselves along with the information stored on them and passed between them. • The security techniques will help select and implement the appropriate level of data and physical security on supported systems. Ver. 1.0 Session 14 Slide 24 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Physical Access Controls • Physical Access Controls are measures that restrict access to specific physical areas. • Various types of physical access controls are: Locks and keys Swipe cards PIN entry Biometric access Human guards Double-key entry Physical barriers Alarms Monitoring devices Ver. 1.0 Session 14 Slide 25 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Data Access Policies • A data access policy is a group of policy provisions or software policy settings that control who can access computer systems and the data they store. Ver. 1.0 Session 14 Slide 26 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Workstation Protection There are various methods you can employ to increase the security of computer workstations and laptops, such as: Add a BIOS password Add a physical lock Lock the workstation when idle Password-protect screen savers Ver. 1.0 Session 14 Slide 27 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Backup Security • Backup security measures include: Policy settings to restrict backup and restore rights Store backups in secure onsite and offsite locations Control physical access to backups Ver. 1.0 Session 14 Slide 28 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Data Migration • To migrate data securely: Data encryption protocol VPN over the Internet Intrusion detection systems Direct connection for short-range transfers Password-protect email attachments Ver. 1.0 Session 14 Slide 29 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Data Removal • Data removal mechanisms are: Deleting data not sufficient One format not sufficient Use multiple reformats Use bulk erasure Destroy inexpensive media Ver. 1.0 Session 14 Slide 30 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Media and Hardware Disposal Media and hardware can be disposed by: Recycle Donate Use disposal contractor Security measures while disposing off media and hardware: Shred or burn documents Bulk erase electronic media Break disks Ver. 1.0 Session 14 Slide 31 of 32
    • CompTIA A+ Certification: Personal Computer Security Concepts Installing Windows XP Professional Using Attended Installation Summary In this session, you learned that : The security is essential part for building a secure personal computer. The security protection measures that are implemented to manage the security of the personal computer. The methods that are necessary to prevent data from data loss. The methods that are necessary for safe disposal of physical components of computer systems as they can create environmental hazards. Ver. 1.0 Session 14 Slide 32 of 32