Michael Kan

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‘Kill switch’ helps slow the spread of WannaCry ransomware

Friday’s unprecedented ransomware attack may have stopped spreading to new machines — at least briefly — thanks to a “kill switch” that a security researcher has activated.

The ransomware, called Wana Decryptor or WannaCry, has been found infecting machines across the globe. It works by exploiting a Windows vulnerability that the U.S. National Security Agency may have used for spying.

The malware encrypts data on a PC and shows users a note demanding $300 in bitcoin to have their data decrypted. Images of the ransom note have been circulating on Twitter. Security experts have detected tens of thousands of attacks, apparently spreading over LANs and the internet like a computer worm.

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‘Kill switch’ helps slow the spread of WannaCry ransomware

Friday’s unprecedented ransomware attack may have stopped spreading to new machines — at least briefly — thanks to a “kill switch” that a security researcher has activated.

The ransomware, called Wana Decryptor or WannaCry, has been found infecting machines across the globe. It works by exploiting a Windows vulnerability that the U.S. National Security Agency may have used for spying.

The malware encrypts data on a PC and shows users a note demanding $300 in bitcoin to have their data decrypted. Images of the ransom note have been circulating on Twitter. Security experts have detected tens of thousands of attacks, apparently spreading over LANs and the internet like a computer worm.

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Ransomware attack spreads worldwide using alleged NSA exploit

A ransomware attack appears to be spreading around the world, leveraging a hacking tool that may have come from the U.S. National Security Agency.

The ransomware, called Wanna Decryptor, struck hospitals at the U.K.’s National Health Service on Friday, taking down some of its network.

Spain’s computer response team, CCN-CERT, has also warned of  a “massive attack” from the ransomware strain, amid reports that local telecommunications firm Telefonica was hit.

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A ransomware attack is spreading worldwide, using alleged NSA exploit

A ransomware attack appears to be spreading around the world, leveraging a hacking tool that may have come from the U.S. National Security Agency.

The ransomware, called Wanna Decryptor, struck hospitals at the U.K.’s National Health Service on Friday, taking down some of its network.

Spain’s computer response team, CCN-CERT, has also warned of  a “massive attack” from the ransomware strain, amid reports that local telecommunications firm Telefonica was hit.

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