A massive data leak has affected some of the major online service providers, such as Apple, Facebook, Google, and others. Researchers discovered 30 exposed datasets, including billions of login credentials and passwords. The databases contained over 16 billion exposed credentials, with sizes ranging from tens of millions of databases to more than 3.5 billion records. This is believed to be the largest cyber attack of its kind.

Most of these datasets have never been published, and only one of them (consisting of 184 million records) was previously known.

The leak encompasses sensitive data such as passwords, tokens, cookies, and metadata. In such cases, the revealed information is considered extremely harmful, as it can be used by hackers. These records provide a backdoor to a potentially infinite number of online services, including social networks or government systems, and therefore are lucrative targets for hackers.

The data leak poses a direct threat to cryptocurrency users. Many cryptocurrency platforms require access to email to initiate transactions or recover accounts. The leaked credentials, including email addresses and passwords, could allow attackers to take control of users' accounts.

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