“Grey Heron” in the surveillance industry: Advanced Spyware products can spy on Signal and Telegram Malware “Grey Heron” in the surveillance industry: Advanced Spyware products can spy on Signal and Telegram do son March 30, 2018 According to securityaffairs and motherboard reports, a mysterious surveillance company named Grey Heron is promoting its spyware, claiming to be able to... Read More Read more about “Grey Heron” in the surveillance industry: Advanced Spyware products can spy on Signal and Telegram