What is a virus?
Malicious code that attaches to a host file or program and spreads when the infected program runs. Often requires user action to spread.
What is a worm?
Self-replicating malware that spreads automatically across networks without user interaction.
What is a Trojan horse?
Malware disguised as a legitimate program or file to trick users into installing it. Often creates backdoors or installs other malware.
What is a rootkit?
Malware that hides its presence and gains privileged (root) access to a system. Often used to conceal other malware.
What is a spyware?
Software that secretly collects user information such as browsing habits or keystrokes.
What is adware?
Software that automatically displays or downloads advertising material. May track user data for targeted ads.
What is ransomware?
Malware that encrypts data and demands payment (often cryptocurrency) for decryption.
What is a keylogger?
A type of spyware that records keystrokes to capture sensitive data like passwords.
What is a botnet?
A network of infected computers (‘bots’) controlled remotely, often used for DDoS or spam campaigns.
What is a logic bomb?
Malicious code triggered by a specific event, date, or condition.
What is a backdoor?
A hidden method of bypassing normal authentication or security controls to gain unauthorized access.
What is a PUP (Potentially Unwanted Program)?
Software that may not be malicious but is installed unintentionally, often bundled with legitimate software.
What is a cryptominer?
Malware that hijacks system resources to mine cryptocurrency for attackers.
What is a fileless malware?
Malware that operates in memory rather than on disk, making it harder to detect and remove.
What is a polymorphic virus?
A virus that changes its code or signature each time it infects to evade detection.
