A ZIP file uploaded from Afghanistan contained a renamed Windows executable and a malicious DLL that side-loaded a targeted backdoor likely aimed at an Afghanistan government agency. The backdoor used 185.235.137[.]35:9000 for command-and-control, dropped a decoy Pashto PDF, and supported extensive remote-control commands after establishing persistence. #ApplicationFrameHost.exe #dgxi.dll #HZHostingLtd

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Zero-click RCE vulnerability hit four major AI coding agents, two remain unpatched – Help Net Security

AIR uncovered Plugin4Shell, a zero-click RCE affecting Claude Code, Codex, GitHub Copilot, and Gemini CLI through a shared plugin SHA-pinning bypass. The flaw lets attackers swap in malicious code during background updates, with vendor responses ranging from patches to deprecation and no fix yet for GitHub Copilot. #Plugin4Shell #ClaudeCode #Codex #GitHubCopilot #GeminiCLI #AIR #Anthropic #OpenAI #Microsoft #Google #Antigravity

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Arcjet brings security controls and audit trails to AI agents – Help Net Security

Arcjet has introduced agent runtime security to help engineering teams secure AI agents in production while giving security teams the observability, enforcement, and audit evidence they need. The product tracks agent workflows across sessions, applies deterministic controls to risky actions, and preserves execution context for reviews and compliance. #Arcjet #OpenTelemetry #Rego #OpenPolicyAgent #ClaudeAgentsSDK #OpenAIAgentsSDK #LangChain #LangFuse #Strands #Mastra #MicrosoftsAgentFramework

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Bots with good manners are better at fooling people on social media – Help Net Security

A Surfshark study found that most people struggle to tell bots from humans online, correctly identifying only 40% of AI-generated comments in a social media test. Polite, friendly, and logical-sounding bots were the hardest to detect, making them a greater concern for manipulation and privacy than hostile accounts. #Surfshark

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Microsoft fixes broken copy and paste for Excel 2016 users

Microsoft has fixed a known issue in KB5002914 that caused silent copy-and-paste, autofill, and formula dragging failures in Excel for some users. The released workaround update KB5002665 only addresses Microsoft Installer-based Office 2016, while affected users of other Excel versions are advised to use Paste Special or temporarily uninstall KB5002914. #Microsoft #KB5002914 #KB5002665 #Excel2016

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New Check Point flaw lets hackers execute code with root privileges

Check Point Software has issued security updates for CVE-2026-91843, a critical stack-based buffer overflow flaw that can allow unauthenticated attackers to achieve root remote code execution on Security Management Server and Log Server systems. The company has also shared mitigation steps and detection guidance, while noting that its recently patched CVE-2026-85102 and CVE-2026-85103 vulnerabilities are considered likely to face exploitation attempts soon. #CheckPoint #CVE-2026-91843 #CVE-2026-85102 #CVE-2026-85103 #NCSC-NL #Qilin

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NightmareStresser DDoS Service Disrupted in International Operation

The FBI has seized the domains of NightmareStresser, a long-running DDoS-for-hire service that was used to launch hundreds of thousands of attacks worldwide. The takedown was part of Operation PowerOFF, a global effort to disrupt booters and stressers and hold their operators accountable. #NightmareStresser #OperationPowerOFF #FBI #USDepartmentofJustice…

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Leiria CIM Hit by Ransomware Attack

Nipigon District Memorial Hospital was hit by a ransomware incident that encrypted files containing personal and health information, disrupting its systems and some patient services. The hospital has activated its incident response procedures and is working with external experts and law enforcement while managing longer wait times and temporary service closures. #NipigonDistrictMemorialHospital #ransomware

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