data breach

American  

[day-tuh breech, dat-uh] / ˈdeɪ tə ˌbritʃ, ˈdæt ə /

noun

data breaches plural

1. an event, often a cyberattack, that results in the release of sensitive or personal data.

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Example Sentences

Customers affected by the data breach were sent a notice of the incident, the settlement website said.

From Los Angeles Times • May 27, 2026

After the data breach, Krispy Kreme paid $1.6 million to settle a class-action lawsuit alleging the company failed to protect customers’ data.

From Los Angeles Times • May 27, 2026

These include a 2024 data breach at Coinbase that exposed the credentials of 70,000 customers, followed by a massive cryptocurrency heist on Bybit—valued at roughly $1.5 billion—which the exchange disclosed in 2025.

From Barron's • May 22, 2026

She told the BBC she only learned about the data breach on Thursday when the hospital's chief nurse spoke to her.

From BBC • May 15, 2026

Fallout: Mercor, whose clients have included OpenAI and Meta, has been hit with at least seven class-action lawsuits in recent weeks following a third-party data breach.

From The Wall Street Journal • Apr. 26, 2026