From hackread.com
![](https://cert.bournemouth.ac.uk/wp-content/uploads/2021/09/image-5.png)
Microsoft has warned of a new FoggyWeb backdoor being used by Nobelium, the same state-sponsored hacking group believed to be responsible for SolarWinds supply-chain attacks.
According to Microsoft, the notorious attacker group Nobelium is using a never-before-seen post-exploitation backdoor that can steal sensitive data from a compromised AD FS (Active Directory Federation Services) server.