ransomware

noun

ran·​som·​ware ˈran(t)-səm-ˌwer 

: malware that requires the victim to pay a ransom to access encrypted files

In September of 2013, security for small accounting offices changed forever with the appearance of a new class of threats called ransomware. … you open a file attached to an innocent-looking e-mail, and the program encrypts key files and drives so they cannot be accessed. The files are locked until you pay a ransom.

—Dave Mcclure

With ransomware, a hacker slips into a system, then puts encryption controls in place that locks users out. The hackers then demand money to "unlock" the data.

—Elizabeth Millard

Today's ransomware scammers often demand payment in bitcoin because the digital currency is easy to use, fast and provides a heightened anonymity for the scammers, according to the FBI warning.

—Susan Tompor

Examples of ransomware in a Sentence

Recent Examples on the Web

Perpetrators of a ransomware attack also demand a ransom payment for the return of computer access. — Melina Khan, USA Today, 17 July 2026

But things like cyber insurance could be a useful addition to protect against things like ransomware and data breaches. — Liz Knueven, CNBC, 16 July 2026

The other danger is that ransomware attackers often steal sensitive data during their intrusions, which can then be leveraged to extort victim companies into paying to keep the data quiet. — Michael Kan, PC Magazine, 16 July 2026

JadePuffer shows that while fully autonomous AI hackers have not yet arrived, agentic AI is starting to automate the grunt work of ransomware. — Ron Schmelzer, Forbes.com, 10 July 2026

Word History

First Known Use

2005, in the meaning defined above

Rhymes for ransomware

• aftercare
• anywhere
• billionaire
• chinaware
• debonair
• dinnerware
• disrepair
• doctrinaire
• earthenware
• everywhere
• frigidaire
• kitchenware