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Cyber security news, as it breaks.
Updated 121 stories in 24 hours
Microsoft, identity, cloud and the security operations centre.
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Most fromAWS Security Blog, Help Net Security, Dark Reading, The Hacker News
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Organizations that use an external identity provider to authenticate Microsoft 365 users can now extend browser-based passkeys, security keys, and eligible single sign-on sessions to supported Microsoft app sign-ins—including Outlook, Teams, OneDrive, Word, Excel, PowerPoint, and Microsoft To Do—on Android, iOS, and managed macOS. Previously, some Microsoft app sign-ins used an embedded web view that…
Microsoft Entra Blog
Identity governance helps control who should have access, but periodic reviews alone may not reveal attacks as they happen. tenfold Software explains how real-time identity telemetry can help security teams investigate suspicious activity before it escalates.
BleepingComputer
Rig provides an identity dependencies graph to distinguish between legitimate users and rogue AI agents…
SecurityWeek
Palo Alto Networks is expanding its work with NVIDIA to help companies control what AI agents can access and do. The collaboration covers agent activity, network traffic and identity management through NVIDIA’s Open Agent Safety Platform reference design. Palo Alto Networks Securing Agents within NVIDIA Open Agent Safety Platform (Source: Palo Alto Networks) AI agents…
Help Net Security
A malicious MCP server could trick an application built on the official MCP Python SDK into handing over the OAuth credentials it uses to log in to a real service, the SDK’s maintainers said in a security advisory. Affected versions sent the client secret, the authorization code, and the PKCE proof key to a token…
The Hacker News
Smells like more agentic ransomware, Redmond warns…
The Register
What is IAM for AI agents? AI agents authenticate, invoke tools, and act across enterprise systems with delegated authority. IAM for AI Agents is the identity-control architecture that governs those actors. This guide covers the limits of conventional provisioning, the components that matter, how to evaluate framework choices, and what runtime evidence proves an agent…
The Hacker News
Microsoft details Storm-3168, the JADEPUFFER-linked actor that used stolen service principals to delete Azure storage in minutes and harvest keys. Microsoft just published the first detailed look at what JADEPUFFER does inside Azure. Sysdig first spotted the group’s activity in July 2026 and called it the first documented agentic ransomware operation. Microsoft tracks the same…
Security Affairs
CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28.
SecurityWeek
The US and China agreed to set up a communication mechanism for artificial intelligence-related incidents.
SecurityWeek
The Windows botnet relies on AI to maintain persistence, using xAI Grok to choose from predefined actions.
SecurityWeek
OpenAI’s CEO said there is an “extensive and ongoing review related to our agents’ use of internet access during training and evaluation.”
SecurityWeek