The trial of destruction following the SolarWinds Orion compromise by suspected Russian hackers earlier this week continues to widen.
The ‘supply chain’ cyberattack resulted in a number of key US government departments being hacked, with concern the attack allowed a foreign power (namely Russia) to monitor American government communication.
Internal email traffic at the US Treasury and US Commerce departments was compromised, and the US Energy Department has now also said it has evidence hackers gained access to its networks as part of the campaign.
Even worse is that it has been reported that US National Nuclear Security Administration (NNSA), which manages the country’s nuclear weapons stockpile, was also targeted.
Now Microsoft has admitted on Thursday that it found malicious software in its systems, signalling that the cyberattack against government agencies has well and truly expanded to top technology firms.
Microsoft had its own products leveraged to attack victims, people familiar with the matter told Reuters.
The US National Security Agency issued a “cybersecurity advisory” Thursday detailing how certain Microsoft Azure cloud services may have been compromised by hackers and directing users to lock down their systems.
“Like other SolarWinds customers, we have been actively looking for indicators of this actor and can confirm that we detected malicious Solar Winds binaries in our environment, which we isolated and removed,” a Microsoft spokesperson was quoted by Reuters as saying.
Redmond said that it had found “no indications that our systems were used to attack others.”
One of the people familiar with the hacking spree said the hackers made use of Microsoft cloud offerings while avoiding Microsoft’s corporate infrastructure.
Microsoft did not immediately respond to questions about the technique.
The FBI and other agencies have scheduled a classified briefing for members of Congress Friday, Reuters reported, underlining the seriousness of the SolarWinds compromise, which is used by many government departments.
The hackers installed a backdoor in the update process of SolarWinds, but the concern is that the attackers might have installed additional ways of maintaining access in compromised systems.
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