ISM 3004 Lecture Notes - Lecture 13: Scavenger Hunt, Ransomware, Keystroke Logging
30 Nov 2018
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Scavenger hunt week 13 information security, part 2. If you have no backup, it is best to pay the ransom to get your files back. 13. 04-email and info security: how is email used to distribute malware, email is ubiquitous (it"s everywhere and everyone uses it, distribute as, attachments. Http://www. suntrust. com/images/common/release3/logo_home. gif : attackers use actual graphics from real site! Information security should have multiple layers of defense and each should warn you of their attack: policy. An ounce of prevention is worth a pound of cure. : uf. Internal (it team: external security consultants, social engineering and technological, dr testing, perform restore and verify systems work, simulated disasters. In english : e= 13, e,t,n,r,o,a, i, and s= 67% J,k,q,x,z only make up 1: repeated patterns, key-based cryptography, like physical keys. Lock= encrypt= encipher: unlock= decrypt= decipher, keys can be lost or stolen , key security responsibility of owner, key management, key length impact on security and system performance (complexity)
