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

This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe. —Kurt Knutsson, FOXNews.com, 20 July 2025

Looking on the bright side, the antivirus performed perfectly in my ransomware protection test. —PC Magazine, 20 July 2025

Like red teaming, these exercises help stress-test response strategies and build readiness across teams in the event of a cyber breach or ransomware attack. —Lisa Caldwell, Forbes.com, 16 July 2025

The perpetrators achieved the attacks through the use of ransomware. —Andrew Nusca, Fortune, 11 July 2025

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