1.6 computing

1.6 computing

1. Network forensic When a companion is hacked and they want to know how and why it happended.so the network forensic get good hackers to gather information on what happened

   • What does a virus do? - it attaches itself to programs/files on a computer/server.

2. Penetration testing When they get hackers to hack the system just to get to know what the weaknesses are.

   • A piece of malware that attaches itself to a program or file. Cannot affect a computer unless the infected file is executed. Damage caused could be anything from annoying to deleting system files.
     • computer phishing is a form of social engineering
     • Create/read/update/modify/delete data ,Destroy data , Take control of data

3. Implication of network policy Helps protect a networks data

   • simulated cyberattack on a computer system, performed to evaluate the security of the system.

4. 'bruce force attacks'-an attack that attempts to decode passwords/encryption keys/encrypted data .All possible/numerous combinations are attempted .A trial and error method/time consuming method

   • A piece of malware that pretends to be a legitimate bit of software but once installed does something different. What they do could vary from making annoying changes, deleting files to opening a backdoor to allow malicious users access.
     • Limit user access/privileges ,Create user accounts ,Apply input sanitation ,Apply an input validation technique
   • A virus can affect ALL components of an operating system
     • a worm replicates itself so it can spread to other computers.often using a computer system.