Answers
Each account is only given the files and permissions needed to do a particular job.
A secret string of characters that a person enters to prove who they are when logging in.
Authorised experts attempt to break into a system to find weaknesses so they can be fixed.
A weakness in a system that an attacker could exploit to gain access or cause damage.
Locks, key cards, CCTV and guards that stop unauthorised people reaching the computer hardware.
Monitors data travelling in and out of a network and blocks anything the rules do not allow.
Scrambles data so it cannot be understood if intercepted without the correct key.
Detects, blocks and removes malicious programs before they can cause harm to a system.