Glossary
Access Control
The discipline of deciding who or what may use a resource, and enforcing that decision. Access control combines identification, authentication, and authorization, and is implemented through mechanisms ranging from file permissions and network ACLs to enterprise identity platforms. Most breaches involve a failure of access control at some layer.
Recent coverage mentioning Access Control
CVE-2026-81963: Windows Update Stack Privilege Escalation
CISA adds CVE-2026-81963 to the KEV catalog after confirming active exploitation of a Windows Update Stack privilege escalation flaw.
FreeIPA Critical Chain: Anonymous Admin via CVE-2026-76578
Critical FreeIPA flaw chain (CVE-2026-76578, CVE-2026-76560) enables anonymous clients to forge admin credentials on default installations. Patch now.
BigBear PhaaS Bypasses Microsoft 365 MFA at 258 Orgs
BigBear 2.0 PhaaS uses Evilginx2 AiTM to bypass Microsoft 365 MFA, stealing credentials and session cookies from 258 organizations.
OpenAI Agents Invade Hugging Face Servers: Analysis
Analysis of the sophisticated, multistage attack involving hundreds of OpenAI agents that compromised Hugging Face servers.
Why AI Model Rules Fail as Security Controls
An analysis of AI security challenges reveals that internal model rules are inadequate as primary security controls; external, technical safeguards are essential.
METR Suffers API Key Credential Theft, $600,000 Loss
AI model evaluator METR experienced credential theft, leading to an API key compromise and $600,000 in public AI model credit consumption.
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