Sams Teach Yourself TCP/IP in 24 Hours, Third Edition

Key Terms

Review the following list of key terms:

• back door— A hidden pathway for gaining entry to a computer system.

• buffer overflow— An attack method that lets the attacker deliver malicious commands to a system by overrunning an application buffer.

• denial-of-service attack— An attack design to cripple the victim's system by consuming system resources.

• email worm— A malicious script or program transmitted through an email message.

• hacker— A user who trespasses on computer systems for fun or profit. To some, a hacker is any high-end user who is obsessed with and devoted to working with computers.

• root access— The highest level of access to a computer system. Root access offers nearly unlimited control of the system.

• root kit— A set of tools ...