enterprise
New Mirai variants target routers and DVRs in parallel campaigns
Hidden inside newly discovered botnet malware is an unusual message from its creator: “AI.NEEDS.TO.DIE”. Dubbed “tuxnokill” by researchers at Akamai, …
Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)
Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall …
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 …
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 …
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 …
FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616)
Defused Cyber has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time …
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 …
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 …
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 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 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 …
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 …