Unit 1.2 - Identifying Security Threats Flashcards
What is a virus?
A program that attaches itself to a host file with the goal of installing itself on a system
What is a worm?
A program that reproduces itself and can transport from system to system without attaching to a file
What is a trojan?
Files that appear to be legitimate programs but really contain malicious code.
What is a Remote Access Trojan?
Trojan that installs a backdoor for administrative control over the victim PC.
What is a backdoor?
Programs that create a mechanism for gaining access to a computer.
What is a logic bomb?
A small program that is timed to perform and operation on a system.
What is a rootkit?
A group of programs installed by an attacker to gain complete control of a computer.
What is zero day?
An attack that takes advantage of code flaws that have been discovered very recently.
What is Advanced Persistent Threat?
An attack that uses sophisticated methods to establish a presence on a system or network for an extended period of time. Maintains multiple ways in and out, often used to exfiltrate data.
What is ransomware?
A program that blocks access to files or blocks use of the device until the ransom is paid
What is spyware?
A software that gathers data and forwards it to a third party without the consent or knowledge of the user.
What is adware?
Software that installs ads onto PC in the form of toolbars/popups/banners
What is a Potentially Unwanted Program or Application?
Programs that may be unwanted on the PC and often come bundled with free ware programs. They are not malicious but they can have some unwanted affects on the device.
What is spam?
Unsolicited commercial email
How does malware affect your PC?
Degrades performance
Causes system instability
Damages files
Releases confidential information.