ActiveAttacks.md (435B)
1 # Active Attacks 2 3 **Source:** Cryptography and Network Security 4 5 **Chapter:** 1.3 6 7 **Definition:** Active attacks are attacks that are attacks that manipulate data streams. 8 9 ## Four Categories 10 11 1. Masquerade - Pretending to be someone else 12 2. Replay - Capturing data and replaying it to produce and unauthorized effect 13 3. Modification - Changing a portion of transmitted messages 14 4. Denial of Service - Inhibits normal use of a system