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Lesson 1 - Technical Controls
- Technical controls like firewalls and VPNs are essential for enforcing security policy for systems not directly controlled by humans. - Firewalls use various techniques like packet filtering, application gateways, and circuit gateways to prevent specific types of information from moving between trusted and untrusted networks. Packet filtering firewalls examine packet headers to block or allow traffic based on IP addresses and port numbers. - Other technical controls discussed include access control methods, authentication factors, authorization for access to resources, logging and auditing for accountability, and biometrics for identity verification. These controls are important for securely managing identification, authentication, and access to computer systems and networks.
