The UAT-10027 cyber campaign has been identified as targeting the U.S. education and healthcare sectors since at least December 2025. This campaign deploys a novel backdoor named Dohdoor, utilizing DNS-over-HTTPS for…
Digital intruders with possible links to North Korea have been infecting the US education and healthcare sectors with a new backdoor since at least December 2025. Security researchers from Cisco Talos reported that…