The UK’s cybersecurity agency has updated its guidance on what to do after a ransomware attack, following a series of incidents where organisations were hit with ransomware, but also had their backups encrypted because they had left them connected to their networks. Keeping a backup copy of vital data is a good way of reducing the damage of a ransomware attack: it allows companies to get systems up and running again without having to pay off the crooks. But that backup data isn’t much good if it’s also infected with ransomware — and thus encrypted and unusable — because it was still connected to the network when the attack took place.
Source: ZD Net