Pulse Secure’s virtual private network (VPN) and Secure Connect (PSC) solutions are used by corporations worldwide to provide secure access to business systems. Adversaries have been targeting Pulse Connect Secure VPN appliances to exploit various vulnerabilities, including a couple of security holes discovered earlier this year. Since at least June 2020, Pulse Secure devices at U. government agencies, critical infrastructure entities, and various private sector orgaCISA warns of stealthy malware found. Pulse secure malware Pulse Secure Collaboration Activity.