List of data breaches and cyber attacks in November 2020 – 587 million records breached

You can find December 2020’s list of cyber attacks and data breaches here.


We recorded 103 cyber security incidents in November, which accounted for 586,771,602 leaked records.

The majority of those came from a credential-stuffing attack targeting Spotify and a data leak at the messaging app GO SMS Pro, which you can learn more about below.

Here is our complete list of November’s cyber attacks and data breaches. As usual, incidents affecting UK organisations are in bold.



Cyber attacks

ransomware stat

Ransomware

Human error is to blame for 88% of data breaches in the UK

Data breaches


Financial information

32% of data breaches involved phishing.

Malicious insiders and miscellaneous incidents


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