Security Threats
6 reference items
What is self-replicating malicious software that infects files called?
A
Virus
Explanation
A virus attaches itself to clean files and replicates when host files execute.
What is standalone malware that spreads automatically across networks called?
A
Worm
Explanation
Worms exploit network vulnerabilities to spread without needing human interaction.
What is malicious software disguised as legitimate, safe programs called?
A
Trojan Horse
Explanation
Trojans trick users into installing them by pretending to be harmless software.
What is malware that encrypts files and demands payment called?
A
Ransomware
Explanation
Ransomware locks down files and demands currency to provide decryption keys.
Which deceptive method uses fake emails to steal sensitive login credentials?
A
Phishing
Explanation
Phishing attacks impersonate trusted banks or companies to steal personal passwords.
What is software designed to quietly monitor user keystrokes and data?
A
Spyware
Explanation
Spyware runs invisibly in the background to harvest passwords and search histories.