Automated malware that lets hackers remotely control your computer.

Malware that spies on your computer activity, collecting personal data to send to hackers.

A self-replicating virus that spreads over networks without needing to piggyback on another program.

Malware that encrypts your files and demands payment for the decryption key. Nasty stuff.

Malware that spreads by copying itself, like a biological virus. Evolved into more advanced forms:

Unsolicited bulk messages, usually email. Most inboxes filter spam out automatically.

Catch-all term for malicious software like viruses, spyware, and ransomware. Only download from trusted sources.

Malware disguised as legitimate software. Named after the famed Trojan Horse.

Tricking people into revealing sensitive info by posing as a trusted entity. Be wary of emails asking you to log in or download attachments.

A Virtual Private Network. Encrypts your internet traffic and masks your IP address for better privacy.