Cisco Talos DNS Security protects organizations from DNS-based threats, including malware delivery, data exfiltration, DNS tunneling, command-and-control (C2) communications, and access to phishing domains, by detecting obfuscated data hidden in DNS packets. Advanced AI-driven detection, including Domain Generation Algorithm (DGA) analysis, proactively identifies and predicts malicious domains, stopping threats before they impact your organization.
Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities
Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage.
CloudZ RAT potentially steals OTP messages using Pheno plugin
Cisco Talos discovered an intrusion, active since at least January 2026, where an unknown attacker implanted a CloudZ remote access tool (RAT) and a previously undocumented plugin called “Pheno.”
PowMix botnet targets Czech workforce
Cisco Talos discovered an ongoing malicious campaign, operating since at least December 2025, affecting a broader workforce in the Czech Republic with a previously undocumented botnet we call “PowMix.”
New Dohdoor malware campaign targets education and health care
Cisco Talos discovered an ongoing malicious campaign since at least as early as December 2025 by a threat actor we track as “UAT-10027,” delivering a previously undisclosed backdoor dubbed “Dohdoor.”
Knife Cutting the Edge: Disclosing a China-nexus gateway-monitoring AitM framework
Cisco Talos uncovered “DKnife,” a fully featured gateway-monitoring and adversary-in-the-middle (AitM) framework comprising seven Linux-based implants.
Dissecting UAT-8099: New persistence mechanisms and regional focus
Cisco Talos has identified a new, regionally targeted campaign by UAT-8099 that leverages advanced persistence techniques and custom BadIIS malware variants to compromise IIS servers, particularly in Thailand and Vietnam.