Computer Malwares & Types of Malwares YouTube Lecture Handouts
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Computer Malware & Types of Malware - Weapons of 21st Century!
Malwares & Types of Malwares
Malware = Malicious Software
- Privacy loss
- Unauthorized entry
- Spread
Spread - Why?
- Exploits (security) bugs
- Weak passwords
- Improper security practices
- Motivation for profit
Sources
- Website
- Physical media
- Pop-up window
- Software
- Illegal File Sharing
Virus Versus Worm
- Virus – User intervention (click, download, run or open)
- Worm – Spread Automatically (defense by firewall) – consume bandwidth & overload web server
- Send data to 3rd party or delete data
Concealed Programs (Not Detected)
- Trojan Horse
- Rootkits
- Backdoors
Annoying Programs
Joke Program – mouse goes reverse
- Spam – junk email
- Virus Hoax – warns of non-existent virus & asks to forward it
For Profit
Adware
Botnets
Ransom ware
Advance Fee Fraud – offers by email
For Profit
Spyware
Dialers
Key logger
Phishing
✍ Mayank