The Muni public transport system in San Francisco has been hit by a major ransomware attack over the weekend that left the network having to give passengers free travel. It's estimated that around 2,000 systems have been affected by the attack, which began on Friday, including ticket machines, servers and Windows workstations. The software used in the attack is believed to be a variant of HDDCryptor. This uses freeware and open source tools to encrypt hard drives and network-shared files, as well as overwriting the master boot record on infected systems. Locked machines displayed a message reading, "You Hacked, ALL… [Continue Reading]
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