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SeverityAll critical 0 high 4 medium 8 low 2 info 63

CISA Urges Service Providers to Provide Transparent Updates During Major IT and OT Outages

CISA and FBI issued guidance urging service providers to deliver timely, transparent communications during major IT and OT outages.

CISA, with the FBI and international partners, released 'Communicating Under Pressure: Best Practices for Service Providers', urging providers to prepare crisis-communication procedures, provide timely status updates during IT/OT outages, and maintain out-of-band communication channels. The guidance warns that disruptions to telecom, cloud, energy, and water services can cascade across critical infrastructure. It aligns with CISA's CI Fortify initiative supporting IT/OT isolation and recovery.

GBHackersSep 11, 07:47 UTC · 6d agoAdvisory

Cyber Adversary Simulation (CyAS): scheme documents now available

NCSC published adversary simulation guidance and the first Cyber Adversary Simulation (CyAS) scheme documents ahead of the scheme's November 2026 launch.

The UK NCSC released guidance on adversary simulation engagements and the first CyAS scheme documents, including the Scheme Standard and the Working Practices Document. The capability-led scheme, developed with cyber oversight bodies, will formally launch in November 2026 and assess companies seeking NCSC-assured provider status. NCSC describes the current version as a minimum viable product to be refined with feedback from buyers and providers.

NCSC UK09:09 UTC · 2h agoAdvisory 2 sources

Apple Releases iOS 27 Security Update to Fix Over 120 Vulnerabilities

Apple released iOS 27 and iPadOS 27 patching roughly 126 vulnerabilities across kernel, WebKit, sandboxing, and authentication components; no active exploitation reported.

Apple released iOS 27 and iPadOS 27 on September 14, 2026, fixing approximately 126 vulnerabilities across more than 90 components, including the kernel, WebKit, AppleKeyStore, Sandbox, and TCC. Flaws include memory corruption, information disclosure, denial-of-service, logic errors, sandbox escapes enabling root privileges, and a Bluetooth issue permitting remote code execution in specific circumstances. Apple also shipped iOS 26.7 and iPadOS 26.7 with over 80 fixes for users delaying the major upgrade, including 75 vulnerabilities shared with iOS 27. No vulnerabilities were reported as actively exploited at release time.

GBHackersSep 16, 05:36 UTC · 1d agoAdvisory