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

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

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

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

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

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

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

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

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.