Cisco discloses second exploited SD-WAN vulnerability in two weeks (CVE-2026-20262)
Cisco has revealed another Catalyst SD-WAN Manager vulnerability (CVE-2026-20262) that its Product Security Incident Response Team observed being exploited by attackers. But …
CISA orders federal agencies to “patch smarter”
The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a Binding Operational Directive that will change how the US federal government approaches …
Cisco SD-WAN 0-day exploited, no patch available (CVE-2026-20245)
A 0-day privilege escalation vulnerability (CVE-2026-20245) in Cisco Catalyst SD-WAN Manager that has yet to be patched by Cisco is being leveraged by attackers. “To …
Frontier AI models collapse under multi-turn AI attacks, Cisco finds
Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from …
Cisco refines its risk-based vulnerability disclosure for the AI era
Security teams already struggle with long lists of vulnerabilities and limited time to patch them. Cisco believes AI could increase that pressure by accelerating vulnerability …
Cisco patches another actively exploited SD-WAN zero-day (CVE-2026-20182)
Cisco has patched yet another Catalyst SD-WAN Controller authentication bypass vulnerability (CVE-2026-20182) that has been exploited as a zero-day by “a highly …
Cisco releases open-source toolkit for verifying AI model lineage
Enterprises pulling models from Hugging Face and other open repositories rarely keep records of how those models are altered after download, leaving organizations with little …
New Cisco firewall malware can only be killed by pulling the plug
Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security …
Phishing reclaims the top initial access spot, attackers experiment with AI tools
Phishing returned as the leading method attackers used to break into organizations in the first quarter of 2026, accounting for over a third of engagements where initial …
CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)
CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco …
Network segmentation projects fail in predictable patterns
Most enterprise networks have segmentation on the roadmap. Many have had it there for years. A survey of 400 U.S.-based network security practitioners who lived through failed …
Agentic AI memory attacks spread across sessions and users, and most organizations aren’t ready
In this Help Net Security interview, Idan Habler, AI Security Researcher at Cisco, breaks down a threat most security teams haven’t named yet: agentic memory as an …
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