Virus & Worms

• Viruses attach themselves to files, programs, system proccesses as hosts
• Viruses don’t self-replicate
• Worms do not rely on hosts, they can self-replicate

Stopping virus spread

• Quarantine the infected
• Anti-virus looks for “PAMPs (Pathogen associated molecular patterns)”
• Zero trust architecture, least privileged principle

Stopping worm spread

• IDS

Adware

• Installs ads, increase network traffic, slows performance
• Sometimes bundled with free software downloads

Spyware

• Spys on you WOW
• Typically tracks internet traffic, website visits, browsing
• Data exploited by advertisers

Bloatware

• pre-installed software
• takes up space, uses resources, no value