Chapter 6

All malware are able to replicate themselves, while phishing redirects users to fake websites

Malware is always a standalone program, while phishing isn't

Malware corrupts or deletes files, while phishing gathers personal information

Length Check

Limit Check

Consistency Check

Range Check

Determines whether someone is who they claim to be

Provides encryption to secure data

Filters information traveling between the computer system and the internet

Detects and removes viruses

To ensure data is correct and free from errors

To ensure data is incorrect and free from errors

To encrypt data to prevent unauthorized access

To ensure data is reasonable and meets certain criteria

By ensuring that eavesdroppers cannot understand accessed data

Checks data for known malicious patterns and removes viruses

Runs in the background to detect unauthorized access

Determines whether someone is who they claim to be

Filters information traveling between the computer system and the internet