The Russian Federal Security Service (FSB) said in order to communicate with them securely, I needed to download and install an encryption and virtual private networking (VPN) appliance that is flagged by at least 20 antivirus products as malware. An infamous Russian hacker raised security concerns about the FSBs own preferred method of being contacted. The FSB has been sanctioned for malicious cyber activity by the U.S. government on multiple occasions over the past five years. The agency is known for recruiting criminal hackers from underground forums and offering them legal cover for their actions.”]
Source: https://krebsonsecurity.com/2021/06/adventures-in-contacting-the-russian-fsb/