Cyber EOP - Types of Threats By Mr. B

What type of malware disables a victim's access to data until a ransom is paid?

• Trojan

• Spyware

• Ransomware

• Adware

Answer explanation

Ransomware is a type of malware that locks or encrypts a victim's data, demanding a ransom for access restoration. Unlike Trojans, spyware, or adware, ransomware specifically targets data access for financial gain.

Which malware type makes changes to files that are native to the operating system?

• Fileless Malware

• Wiper Malware

• Keyloggers

• Bots

Answer explanation

Fileless malware operates in memory and can manipulate native operating system files without leaving traditional traces, making it a significant threat. Other options like wiper malware and keyloggers do not specifically alter OS-native files.

What is the primary function of spyware?

• To collect user activity data without their knowledge

• To serve unwanted advertisements

• To disguise itself as desirable software

• To replicate itself across networks

Answer explanation

The primary function of spyware is to collect user activity data without their knowledge, often for malicious purposes. This distinguishes it from other software types that may serve ads or replicate themselves.

Which malware type is known for hijacking browsers to change default search engines?

• Trojan

• Ransomware

• Worms

• Adware

Answer explanation

Adware is a type of malware that often hijacks browsers to change default search engines and display unwanted ads. Unlike Trojans, ransomware, or worms, adware specifically targets browser settings.

What does a Trojan disguise itself as?

• Malicious code

• A legitimate application

• A network worm

• Desirable code or software

Answer explanation

A Trojan disguises itself as desirable code or software to trick users into downloading it, unlike malicious code which is overtly harmful. This deception is key to its ability to infiltrate systems.

Which malware was developed to target Iran's nuclear program?

• Triada

• Stuxnet

• Emotet

• Zacinlo

Answer explanation

Stuxnet is a well-known malware specifically designed to disrupt Iran's nuclear program by targeting its industrial control systems, making it the correct answer.

What is a keylogger primarily used for?

• To serve advertisements

• To launch DDoS attacks

• To erase user data

• To monitor user keystrokes

Answer explanation

A keylogger is primarily used to monitor user keystrokes, capturing what users type on their keyboards. This can include sensitive information like passwords and personal messages, making it a tool for spying rather than for advertising or data deletion.

What type of malware is known for creating a network of bots?

• Wiper Malware

• Bots/Botnets

• Fileless Malware

• Spyware

Answer explanation

Bots/Botnets are a type of malware specifically designed to create networks of infected devices, known as bots, which can be controlled remotely. This distinguishes them from other types of malware like Wiper or Spyware.

Which malware type infects mobile devices?

• Mobile Malware

• Ransomware

• Worms

• Adware

Answer explanation

Mobile Malware specifically targets mobile devices, making it the correct choice. While ransomware, worms, and adware can affect various systems, Mobile Malware is designed for mobile platforms.

What is the main purpose of wiper malware?

• To serve unwanted advertisements

• To collect user data

• To disguise itself as legitimate software

• To erase user data beyond recoverability

Answer explanation

Wiper malware is specifically designed to erase user data beyond recoverability, making it a destructive threat. Unlike other malware types, its primary goal is data destruction rather than data theft or advertisement.