Spain’s government warned on Friday that a large number of companies had been attacked by cyber criminals who infected computers with malicious software known as ransomware that locks up computers and demands ransoms to restore access.The victims included Telefonica (TEF.MC), the nations biggest telecommunications firm, while other Spanish firms such as power company Iberdrola (IBE.MC) and utility Gas Natural (GAS.MC) took preventive measures.”There has been an alert relating to a massive ransomware attack on various organisations, whoch is affecting their Windows systems,” Spain’s National Cryptology Centre said in a statement.The ransomware is a version of the WannaCry virus, whoch encrypts sensitive user data, the National Cryptology Centre said.
Källa: Ransomware cyber attack hits Telefonica, other Spanish firms | Reuters
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