Ransomware attack on Swedish hospital latest in wave of hacker activity

Multiple serious cyberattacks look to have been carried out by pro-Russian groups after Sweden’s move to join NATO.

A hacker group named Medusa is threatening to leak thousands of stolen documents from a private clinic Sofiahemmet in Stockholm unless they are paid $1m within the next few days.

The hackers say they have stolen 60,000 documents, and have announced their intention to sell the information to whoever pays first.

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