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Anthropic
Testing reveals Claude Mythos’s offensive capabilities and limits

Could Claude Mythos Preview, Anthropic’s latest large language model, be leveraged for fully automated cyber attacks? The UK government’s AI Security Institute …

email
Poisoned “Office 365” search results lead to stolen paychecks

A financially motivated hacking group is targeting Canadian employees with a sophisticated campaign designed to covertly redirect their salary payments into …

Fortinet
FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616)

Defused has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time around, the …

Fortinet
Critical Fortinet FortiClient EMS bug under active attack (CVE-2026-21643)

A critical SQL injection vulnerability (CVE-2026-21643) in Fortinet FortiClient Endpoint Management Server (EMS), a management server for FortiClient endpoint agents on …

F5
Attackers are exploiting RCE vulnerability in BIG-IP APM systems (CVE-2025-53521)

A critical unauthenticated remote code execution vulnerability (CVE-2025-53521) in F5’s BIG-IP Access Policy Manager (APM) solution is under active exploitation, the US …

downtime
Your security stack looks fine from the dashboard and that’s the problem

One in five enterprise endpoints is operating outside a protected and enforceable state on any given day, according to device telemetry collected across tens of millions of …

Oracle
Oracle issues emergency fix for pre-auth RCE in Identity Manager (CVE-2026-21992)

Oracle has released an out-of-band patch for a critical and easily exploitable vulnerability (CVE-2026-21992) in Oracle Identity Manager and Oracle Web Services Manager. The …

Cisco
Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)

A critical vulnerability (CVE-2026-20131) in Cisco Secure Firewall Management Center (FMC) that Cisco disclosed and patched in early March 2026 has been exploited as a …

Donald Kossmann
As AI agents start making purchases, security teams must rethink risk

In this Help Net Security interview, Donald Kossmann, CTO at fintech company Chargebacks911, talks about the emerging security, fraud, and governance risks of “agentic …

IceWarp
Over 1,200 IceWarp servers still vulnerable to unauthenticated RCE flaw (CVE-2025-14500)

A critical RCE vulnerability (CVE-2025-14500) in IceWarp, an EU-made business communication and collaboration platform, may be exploited by attackers to gain unauthorized …

AI
AI went from assistant to autonomous actor and security never caught up

Enterprise AI deployments have shifted from pilot programs to production systems handling customer data, executing business transactions, and integrating with core …

critical infrastructure
Industrial networks continue to leak onto the internet

Industrial operators continue to run remote access portals, building automation servers, and other operational technology services on public IP address ranges. Palo Alto …

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