Running in Circles: Uncovering the Clients of Cyberespionage Firm Circles - The Citizen Lab

Running in Circles: Uncovering the Clients of Cyberespionage Firm Circles - The Citizen Lab: "According to the U.S. Department of Homeland Security, all U.S. wireless networks are vulnerable to the types of weaknesses reportedly exploited by Circles. A majority of networks around the globe are similarly vulnerable. Using Internet scanning, we found a unique signature associated with the hostnames of Check Point firewalls used in Circles deployments. This scanning enabled us to identify Circles deployments in at least 25 countries."