The document discusses computer security measures including anti-spyware, firewalls, and the human aspect. It notes that human aspects are the hardest to protect against but are also a common security problem. It emphasizes that organizations should provide training to make users aware of security importance and not to download software from untrusted sources or share information with strangers. Firewalls are defined as hardware or software that enforces security policies by controlling network access.

1. COMPUTER SECURITY Present by : ∂ Alya ∂ ∂ Amira ∂ ∂ Shahida ∂ ∂ Mas ∂ ∂ Lyana ∂

2. SECURITY MEASURES ◊ Anti-spyware ◊ Firewall ◊ Human Aspects

3. Definition Ω Refer to user. Ω Hardest to give protection. Ω Most common problem

4. Organisations of Self Awareness ∆ Aware of people they work with..!!

5. Organisational User Self Awareness ∆ Adequate training. ∆ The importance of security.

6. Individual User Self Awareness ∆ Comes in beautiful offers and packages. ∆ Do not download or install software from unreliable sources. ∆ Do not expose important information to strangers.

7. Firewall

8. Definition A piece of hardware or software which functions in a networked environment to prevent some communications forbidden by the security policy.

9. Types of firewall Screening routers Proxy gateway Guard