1. Malicious Attacks By: Albert, Alex, Andon, Ben, Robert

2. Examples of Malicious Attacks Malware – Infectious – Concealment – Spyware Phishing Spam Active Hacking

3. Types of Damage Duplicate and distribute virus Install more malicious programs Steal keystrokes and passwords Show advertisements Take remote control Use to attack other systems Slow and overload system – Usually used against Servers No longer just destroy a computer

4. How to Prevent Infection Anti-virus software Firewall Increasing security settings for internet browsers Updating OS Being smart ( i.e. don’t reply to the Nigerian Prince asking for money )

5. Steps Taken to Lessen Problem OS companies constantly releasing updates to patch security holes Anti-virus programs keep downloading new definition lists Encryption is used, 256-bit can’t be broken through “brute force”

6. Botnets A group of compromised computers remotely controlled by a single hacker Used to distribute more viruses, DDOS against web servers Computer user may not know system is infected Hacker will compromise systems, and sell them to highest bidder

7. Why its an Issue Reduces efficiency Privacy violated Huge cost of prevention and removal Stealing information

8. Dealing with Malicious Attacks Anti-virus software – CMU Provides Symantec or Norton for free System Restore for windows If all else fails: reformat Best practice is to prevent infections