United Kingdom

Royal Mail has been hit by a ransomware attack by a criminal group, which has threatened to publish the stolen information online.

The postal service has received a ransom note purporting to be from LockBit, a hacker group widely thought to have close links to Russia.
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Printers at a Royal Mail distribution site near Belfast in Northern Ireland started printing ransom notes, according to the Telegraph. The note said: “Lockbit Black Ransomware. Your data are stolen and encrypted.”
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Royal Mail has reported the incident to the UK’s government-run National Cyber Security Centre, the National Crime Agency and the Information Commissioner’s Office. It has not publicly revealed any details regarding the nature of the incident.

https://www.theguardian.com/business/2023/jan/12/royal-mail-ransomware-attackers-threaten-to-publish-stolen-data