Unit 1.2 - Identifying Security Threats Flashcards

1
Q

What is a virus?

A

A program that attaches itself to a host file with the goal of installing itself on a system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a worm?

A

A program that reproduces itself and can transport from system to system without attaching to a file

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a trojan?

A

Files that appear to be legitimate programs but really contain malicious code.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a Remote Access Trojan?

A

Trojan that installs a backdoor for administrative control over the victim PC.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a backdoor?

A

Programs that create a mechanism for gaining access to a computer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a logic bomb?

A

A small program that is timed to perform and operation on a system.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a rootkit?

A

A group of programs installed by an attacker to gain complete control of a computer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is zero day?

A

An attack that takes advantage of code flaws that have been discovered very recently.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is Advanced Persistent Threat?

A

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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is ransomware?

A

A program that blocks access to files or blocks use of the device until the ransom is paid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is spyware?

A

A software that gathers data and forwards it to a third party without the consent or knowledge of the user.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is adware?

A

Software that installs ads onto PC in the form of toolbars/popups/banners

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a Potentially Unwanted Program or Application?

A

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.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is spam?

A

Unsolicited commercial email

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How does malware affect your PC?

A

Degrades performance
Causes system instability
Damages files
Releases confidential information.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How can malware affect you?

A

Lose ability to use internet or PC
Could be blamed for spamming
Could be accused of crimes

17
Q

What are the best practices for avoiding malware infection?

A

Use caution
Keep system files updated
Use antivirus software
Consider policies to block macros or to scan email attachments