From securityonline.info
![](https://cdn-0.securityonline.info/wp-content/uploads/2021/03/tech-hacker.jpg?ezimgfmt=rs:748x499/rscb1/ng:webp/ngcb1)
Microsoft named the hacking group discovered by the company using the serial number of the periodic table of elements. Other codenames and names for the ACTINIUM group include DEV-0157 and Gamaredon, which Ukraine says is part of the Russian Security Service.