1. CSCE101 –Chapter 9 – Sections 2 and 3 Thursday, December 7, 2006

2. Threat vs. Attack It can also be any source of probable impending danger. A threat can be an explicit declaration of intention to inflict punishment or harm on another. A threat can be unintentional or intentional. An attack is an attempt to actively strike at an opponent.

3. 9.2 – Threats to Computers & Communication Systems Errors & Accidents –Human Errors –Software Errors –Hardware Errors –Dirty Data Errors Natural Hazards –Floods, blizzards, hurricanes, tornadoes… Criminal Activity –Theft –Crimes of Malice

4. 9.3 – Security: Safeguarding Computers & Communications Before a threat becomes an attack: Deterrents to computer crime –Enforcing laws –CERT –Detecting anomalous behavior –Identification and access What you have What you know Who you are

5. 9.3 – Security: Safeguarding Computers & Communications Before a threat becomes an attack: Deterrents to computer crime –Encryption During or after an attack: –Audit controls –People controls –Recovery plan Disaster recovery plans

6. Test Review True/False – 20 Multiple Choice – 20 Short Answer – 15 Extra Credit Short Answer– 2 Short Answer section will come directly from the questions in the study guide.