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The Network Has Become the Control Plane for AI Security
Network firewalls are the workhorses of modern cybersecurity. They are trusted to protect the network, blocking malicious traffic and preventing intrusions and breaches. And for decades, network security teams have built controls around a relatively stable model:...
Hackers Exploit AnySign4PC via Hacked Korean Sites to Install Backdoors Without Prompts
South Korean authorities and four security firms have disclosed a state-sponsored campaign that compromised trusted domestic websites. The attackers used those sites to exploit locally installed financial-security software and infect targeted visitors with SIGNBT or...
SilverFox Targets Japanese Manufacturer with 3-Driver BYOVD Chain and ValleyRAT
The Chinese cybercrime group known as Silver Fox has been observed using new drivers as part of bring your own vulnerable driver (BYOVD) attacks targeting a Japanese organization in the industrial manufacturing sector to ultimately deliver ValleyRAT (aka Winos 4.0)...
FCC Blocks New Foreign-Produced Robots and Power Inverters Over Cyber Risks
The Federal Communications Commission (FCC) added foreign-produced mobile robots and networked power inverters to its Covered List on July 28. The move generally prevents new models from receiving the equipment authorization required for import, marketing, or sale in...
Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation
The Russian threat actors recently linked to the exploitation of a now-patched vulnerability in Zimbra have been observed exploiting another vulnerability, this time in Microsoft Outlook Web Access (OWA), to target U.S. and European government entities, as well as the...
Amazon Links Debug and Chalk npm Hijack to North Korea’s Sapphire Sleet
Amazon has tied the September 2025 hijack of the npm packages debug and chalk to North Korea. For ten months, the incident sat in the public record as crypto theft: a maintainer phished through a lookalike npm domain and a wallet-draining script pushed into at least...
Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a newly disclosed security flaw impacting Cisco Secure Firewall Management Center (FMC) Software to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day...
Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads
Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted image uploads. Tracked as CVE-2026-66066 (CVSS score: 9.5), the flaw can expose the...
Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory
Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution. The vulnerability, tracked as CVE-2026-59726...
Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape
Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 (CVSS score:...
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