List of data breaches and cyber attacks in August 2021 – 61 million records breached

It has been another month of comparatively few reported cyber attacks and data breaches, with our August list containing 84 incidents accounting for 60,865,828 breached records.

And it would have been even fewer if not for the attack on T-Mobile. The mobile network disclosed a hack earlier this month, which it originally said affected 7.8 million customers and 40 million records. However, a week later it bumped up that figure to 53 million.

You can that incident, along with our full list of cyber attacks and data breaches, below – with those affecting UK organisations listed in bold.

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Cyber attacks


If you find yourself facing a cyber security disaster, IT Governance is here to help. Our Cyber Incident Response service provides the help you need to deal with the threat, as our experts guide you through the recovery process.

They’ll review the breach, mitigate the damage and ensure that you are up and running again as soon as possible.


Ransomware

32% of data breaches involved phishing.

Data breaches


Financial information


Malicious insiders and miscellaneous incidents


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