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Definitions

hacker

[hak-er] / ˈhæk ər /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Earlier this year, Amazon discovered that a low-skilled hacker used commercially available AI to breach 600 firewalls.

From Los Angeles Times • Mar. 5, 2026

And on Wednesday, cybersecurity firm Gambit Security revealed that roughly 150 gigabytes of data were stolen from 10 Mexican government bodies and a single financial institution by a hacker using Claude and OpenAI’s ChatGPT.

From MarketWatch • Feb. 28, 2026

Intelligence analysts scrutinise millions of data points -- from web addresses and malware variants to hacker code names -- that could provide leads in active investigations.

From Barron's • Feb. 15, 2026

The hacker wouldn't give any details about himself other than the fact that he is a student at a US university.

From BBC • Jan. 18, 2026

It had three holes across the top, and I covered the third one to generate the 2600-hertz tone that had made this whistle famous in the annals of hacker history.

From "Ready Player One: A Novel" by Ernest Cline