Billions of passwords were exposed in the historic leak (Picture: Getty)

An estimated 1,300,000,000 passwords and 2,000,000,000 email addresses have been leaked online in a historic breach.

Have I Been Pwned, which notifies internet users if their information has been breached, said cybercriminals are behind the massive leak.

HIBP CEO Troy Hunt has warned that anyone in the leak should change their passwords immediately as a precaution.

He added: ‘This corpus is nearly three times the size of the previous largest breach we have ever loaded.’

625,000,000 of the passwords were some never before detected during a breach, he said.

‘I hate hyperbolic news headlines about data breaches, but for the ‘2 Billion Email Addresses’ headline to be hyperbolic, it’d need to be exaggerated or overst

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