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