The wave of cyberattacks wreaking havoc across the globe is “at an unprecedented level”, European Union’s law enforcement agency Europol said.

The attacks will “require a complex international investigation to identify the culprits”, the agency, which is working with countries and companies hit by the attacks, said in a statement on Saturday.

Dozens of countries were hit by the ransomware attack on Friday that locked up computers and held users’ files for ransom at a multitude of hospitals, companies and government agencies.

It was believed to the biggest attack of its kind ever recorded. Tiếp tục đọc “Europol: Ransomware attack is of unprecedented level” →