malware

noun

mal·​ware ˈmal-ˌwer How to pronounce malware (audio)
: 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 vulnerability is a local privilege escalation, meaning it can be chained to a separate vulnerability to give users or processes with low-level privileges the ability to defeat OS protections and gain full SYSTEM rights needed to install malware. Dan Goodin, ArsTechnica, 9 June 2026 The platform also includes unlimited storage, unlimited bandwidth, free SSL certificates, SSD-powered hosting, malware scanning, CDN support, backups, and one-click staging environments for testing site updates safely. Stackcommerce Team, PC Magazine, 6 June 2026 But in the digital world, any information stored there could be accessed by others through hacking or malware. William Jones, USA Today, 3 June 2026 For most people, there's a higher likelihood of being targeted through a phishing scam like an email containing links to malware or fraudulent websites to extract personal information, Cappos said. Lauren Fichten, CBS News, 1 June 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

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Cite this Entry

“Malware.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malware. Accessed 11 Jun. 2026.

Kids Definition

malware

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

Legal Definition

malware

noun
mal·​ware ˈmal-ˌwer How to pronounce malware (audio)
: 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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