Researchers of Black Lotus Labs detected **[long-term campaign](https://blog.lumen.com/snowblind-the-invisible-hand-of-secret-blizzard/) (started 2 years ago) run by well-known in the environment [Turla group](https://cyberdefence24.pl/cybersecurity/Russian-turla-in-new-campania-backdoor-in-in-in-invitations)**.
