: software designed to interfere with a computer's normal functioning

Examples of malware 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.
The employee using it was duped by a fake job interview, a favorite North Korean tactic used both to trick companies into hiring operatives and to trick individuals into downloading malware. — Alan Henry, PC Magazine, 6 Nov. 2026 Feeds identify malicious IPs, malware hashes or live campaigns, but cannot tell if these reach our systems, touch critical identities or expose business dependencies. — Jonathan Stewart, Forbes.com, 5 Nov. 2026 The hackers who stole billions of dollars in cryptocurrency from the Binance exchange spent months working on the theft and used both social engineering and novel malware in the process, the company said Tuesday. — Dan Goodin, ArsTechnica, 4 Nov. 2026 Look for software that offers real-time protection against viruses, malware, spyware and ransomware. — Kurt Knutsson, FOXNews.com, 3 Nov. 2026 See All Example Sentences for malware

Word History

Etymology

malicious + -ware (as in software)

First Known Use

1990, in the meaning defined above

Time Traveler
The first known use of malware was in 1990

Browse Nearby Words

Cite this Entry

“Malware.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malware. Accessed 12 Nov. 2026.

Kids Definition

: software designed to interfere with a computer's normal functioning

Legal Definition

: software that is designed to interfere with a computer's normal functioning and that can be used to commit cybercrime (as by revealing passwords, PINs, and other sensitive data)
Etymology

mal- bad + software

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