The 5 biggest ransomware pay-outs of all time

Just a few years ago, you may never have heard of ransomware. Nowadays, it’s a £10 billion a year industry and considered one of the biggest threats facing organisations, schools, and essential services. Dozens of ransomware cases are reported monthly, with companies locked out of their files and facing extortionate demands. The current going rate for decryption keys is in the region of 0.3 bitcoin (about £100,000, or $140,000), but sometimes attackers set their sights much higher.