: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Cartel and gang violence, cargo theft, and ransomware attacks loom large for most citizens, and so politicians repeatedly promise more action. Natalia Cote-Muñoz, Foreign Affairs, 3 Aug. 2026 Research conducted earlier this year found that 72% of small businesses were the victims of fraud, scams, or ransomware in 2026, costing at least $131 billion. Rhett Buttle, Forbes.com, 31 July 2026 Verizon’s 2026 Data Breach Investigations Report, for example, highlights software vulnerabilities and ransomware as major sources of breaches, not side-channel attacks as a routine entry point. Chetan Jaiswal, The Conversation, 30 July 2026 This protection can also alert you to phishing emails and ransomware scams, helping protect your personal information and digital assets. Kurt Knutsson, FOXNews.com, 29 July 2026 See All Example Sentences for ransomware

Word History

First Known Use

2005, in the meaning defined above

Time Traveler
The first known use of ransomware was in 2005

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Cite this Entry

“Ransomware.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ransomware. Accessed 8 Aug. 2026.

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