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

The majority of ransomware attacks target primary storage infrastructure and secondary storage (or backup), according to a Veeam Ransomware Trends Report. — Eric Herzog, Forbes.com, 23 June 2026

Data breaches, ransomware attacks and cybersecurity hacks have impacted government systems before and are only likely to worsen with the rise of artificial intelligence, some experts say. — Taylor Croft, AJC.com, 21 June 2026

For example, strong antivirus software provides real-time protection against malware, spyware, ransomware and other online threats on a PC or Mac. — Kurt Knutsson, FOXNews.com, 13 June 2026

Well, now’s your chance to step into the shoes of a chief information security officer (CISO) of a hypothetical firm that’s just suffered a massive ransomware breach, thanks to IT Brew’s Block the Breach simulator. — Alan Henry, PC Magazine, 12 June 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