31 Days Before Your CCENT Certification

CCNA Discovery 1, Chapter 8

8.1.1: An insecure network is vulnerable to information theft, identity theft, data loss or manipulation, and a possible disruption of service. A network faces external threats from unauthorized users who may attack from the Internet, wireless links, or dialup networks. In addition, internal users with physical and authorized access can intentionally or unintentionally harm a network.

8.1.3: An unauthorized user may employ techniques that trick authorized users into revealing sensitive information or taking an action that threatens a network. The following points describe common social engineering techniques that focus on the user as the weak link:

• Pretexting: An attacker contacts a user masquerading as the help ...