Understanding the Threat to Digital Systems

Which of the following is an example of malware?

• Firewall

• Worm

• Encryption

• Backup

What is the primary purpose of ransomware?

• To encrypt files and demand payment for decryption

• To log keystrokes

• To overload a network with traffic

• To steal passwords

How does a Trojan differ from a virus?

• A Trojan replicates itself while a virus does not

• A Trojan disguises itself as legitimate software

• A Trojan infects other files directly

• A Trojan can only harm hardware

What type of malware records a user's keystrokes?

• Spyware

• Ransomware

• Keylogger

• Worm

Which of the following is an example of a technical vulnerability?

• A user opening a phishing email

• Using out-of-date anti-malware software

• Forgetting a password

• Sharing login credentials

What is social engineering in the context of cybersecurity?

• Exploiting technical vulnerabilities

• Using manipulation to trick people into giving access

• Developing new software tools

• Encrypting data to protect it

Which attack method is based on social engineering?

• Phishing

• SQL injection

• DDoS attack

• Malware infection

Why are unpatched software systems vulnerable?

• They cannot run newer versions of anti-malware

• They contain known exploits that hackers can use

• They are incompatible with encryption

• They slow down computer performance

Which of the following is NOT an effective protection measure?

• Installing anti-malware software

• Leaving software updates incomplete

• Encrypting sensitive data

• Regularly backing up data

What does encryption do to data?

• Erases it after a specific time period

• Converts it into unreadable format without a key

• Backs it up automatically

• Scans it for malware