Cisco Secure Firewall is Cisco’s enterprise-grade next-generation firewall platform within the Cisco Secure ecosystem.
Cisco Secure Firewall is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed April 24, 2026; most recent activity August 6, 2026.
Cisco Secure Firewall is Cisco’s enterprise-grade next-generation firewall platform within the Cisco Secure ecosystem. It provides advanced threat protection, IPS, URL filtering, malware defense, VPN, and centralized management for on-premises and cloud deployments, with integration to Cisco SecureX for broader orchestration and telemetry. Its significance lies in its scale, integrated security features, and central role in protecting organizational networks and remote access across hybrid environments.
A sophisticated backdoor malware named Firestarter has been discovered on Cisco Firepower devices, attributed to the state-sponsored threat actor UAT-4356. The malware exploits two vulnerabilities, CVE-2025-20333 and…
At Black Hat USA 2026, researcher Malcolm Stagg disclosed NatJack, a new attack class exploiting design flaws in Network Address Translation (NAT) systems. All 32 tested NAT products across Windows, Linux, and macOS…
Cisco Secure Firewall is Cisco’s enterprise-grade next-generation firewall platform within the Cisco Secure ecosystem.
The most recent intelligence report mentioning Cisco Secure Firewall on ThreatCluster is dated August 6, 2026. Activity was first observed April 24, 2026, giving a tracked span from then to August 6, 2026.
Across ThreatCluster reporting, Cisco Secure Firewall most frequently co-occurs with DDoS, Malware, Man-in-the-Middle, China, Iran, among 12 tracked related entities.
The most significant recent cluster is “Persistent Firestarter Malware Targets Cisco Firepower Devices in US Agencies” (37 articles · Updated April 23, 2026). Cisco Secure Firewall appears across 2 threat clusters in total, listed above with sources.
Cisco Secure Firewall appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.