Match the words (1-8) with the definitions (A-H). 1 _popup 2 _bug 3 _security A set of rules 4 _ audit log 5 _ backdoor 6 _ patch B error in a program 7 _protocol 8 _intruder C unwanted advertisements on a web browser D someone who accesses a system without permission E safety of a computer system and its data F part of a program giving undesired access G record of who has used a computer and what they've used it for H code to fix errors in a program