antivirus software and detection techniques Flashcards
Definitions
Signature analysis
A database of signatures to detect the unknown
Heuristic analysis
Checks to see if changes to programme have been made by unknown viruses
Operating system
The main programme a PC uses/runs i.e. Windows
Zero day attack
vulnerability of a software that is unknown to others, until the vulnerability is fixed hackers can exploit it and attack the software.
False positive
Normal code however taken as malicious by antivirus software
False negative
Malicious code that is taken as fine and is able to allowed into the system
BIOS
A computers microprocessor that comes into action when PC is turned on, provides operating systems for hardware and provide run time services
Internet filtering
Prevents users from using or accessing certain websites.
Sandbox
A safe testing environment for software in order to check whether it is malicious and if not cannot hack into a system or network due to being in a safer environment
Trojan
Infects users device through a backdoor access to attack routers on wireless networks
Worm
Spreads itself into a computer network infecting it through self replicating itself
Clean
A PC that is free of malware of viruses, spyware and adware
Adware
Run advertisements
Rootkit
A collection of computer software usually malicious designed to give access to a computer and its software
Behavioural analysis
Behavioural analysis uses machine learning, artificial intelligence, big data, and analytics to identify malicious behaviour