Dohdoor Backdoor 2026: Exploiting DNS-over-HTTPS for Stealthy C2

Feb 26 · 2 min read · Dohdoor Backdoor 2026: Exploiting DNS-over-HTTPS for Stealthy C2 In the ever-evolving cybersecurity landscape, the introduction of AI and advanced tools has created both challenges and opportunities. This week, Cisco Talos identified an ongoing campa...