ISAC Cyber Threats and Vulnerabilities

Question 1

Which of the following is an example of a phishing attack?

Accepted Answer

Sending a fraudulent email that mimics a trusted organization to steal login credentials

Answer

Infecting a system with a virus that corrupts data

Answer

Breaking into a network using stolen credentials

Answer

Overloading a server with excessive traffic

Question 2

Which type of malware is specifically designed to lock users out of their systems until a ransom is paid?

Accepted Answer

Ransomware

Answer

Spyware

Answer

Adware

Answer

Trojan Horse

Question 3

What is a zero-day vulnerability?

Accepted Answer

A flaw that attackers exploit before the vendor is aware of it

Answer

A vulnerability discovered and patched immediately

Answer

A virus that spreads within 24 hours

Answer

An outdated software vulnerability

Question 4

Which of the following is an example of a Distributed Denial of Service (DDoS) attack?

Accepted Answer

Multiple systems overwhelming a target server with excessive traffic

Answer

Exploiting vulnerabilities in a web application

Answer

Sending phishing emails to multiple employees in an organization

Answer

Installing spyware to steal information from a single device

Question 5

Which of the following actions can help protect against social engineering attacks?

Accepted Answer

Training employees to recognize suspicious behavior and requests

Answer

Regularly updating software

Answer

Using antivirus software

Answer

Encrypting sensitive files