Cyber Army of Russia Reborn is linked to Russia's GRU military intelligence agency, according to research by Mandiant.

Cyber Army of Russia Reborn, a group with ties to the Kremlin’s Sandworm unit, is crossing lines even that notorious cyberwarfare unit wouldn’t dare to.

In January, an alert citizen in Muleshoe, Tex., was driving by a park and noticed that a water tower was overflowing. Authorities soon determined the system that controlled the city’s water supply had been hacked.

A hacking group with ties to the Russian government is suspected of carrying out a cyberattack in January that caused a tank at a Texas water facility to overflow, experts from US cybersecurity firm Mandiant said Wednesday.

A politically motivated hacking group behind a recent series of cyberattacks on water systems in the United States, Poland and France is now believed to be connected to the Russian military, researchers at security firm Mandiant warned Wednesday.

Sandworm, a Russian intelligence unit, may have branched out from causing blackouts in Ukraine and hacking French presidential campaigns, setting its sights on a new target: critical U.S. infrastructure,