A Russian hacker group, which is assigned to the Russian foreign intelligence service SWR, has carried out a spectacular espionage attack against the entire western world.

The hackers had digitally infiltrated the US network security provider Solarwinds since at least May and were able to install a back door in the computer networks of all Solarwinds customers via its systems.

The Solarwinds customer list reads like a who's who of international corporations.