Irish regulators slapped Facebook parent Meta with a 265 million-euro ($277 million) fine Monday, the company's latest punishment for breaching strict European Union data privacy rules.

The Data Protection Commission said Meta Platforms infringed sections of the EU rules, known as the General Data Protection Regulation, that require technical and organizational measures aimed at protecting user data.

The watchdog opened an investigation last year into news reports that data on more 533 million users was found dumped online. The data was found on a website for hackers and included names, Facebook IDs, phone numbers, locations, birthdates and email addresses for people from more than 100 countries, according to the reports.

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