incident response

  1. Windows 10 End of Support 2025: Migration Playbook & Security Risks

    More than half of the world’s personal computers remain on Windows 10 even as Microsoft’s official support deadline looms, creating a wide and growing security gap that affects consumers, small businesses, and enterprise networks alike. New telemetry shared publicly via cybersecurity vendor...
  2. CVE-2025-49728: Local Cleartext Credential Leak in Microsoft PC Manager – Patch Now

    CVE-2025-49728 — Microsoft PC Manager: Cleartext storage of sensitive information (Security‑feature bypass, local) Summary (TL;DR) Microsoft has assigned CVE‑2025‑49728 to a vulnerability in Microsoft PC Manager where sensitive information is stored in cleartext, enabling a local, unauthorized...
  3. Workday and Microsoft Launch Agent System of Record for AI Agents

    Workday and Microsoft have quietly stepped into the next phase of enterprise automation: they’re building the plumbing to let agentic AI workers — digital agents created in Microsoft’s developer ecosystem — obtain verified identities, join a corporate directory, and be managed alongside human...
  4. Siemens OpenSSL CVE-2021-3712: Patch and mitigate ICS risk (SSA-244969)

    Siemens and upstream OpenSSL vulnerabilities that allow out-of-bounds reads — tracked under CVE-2021-3712 — remain a live operational risk across dozens of Siemens industrial networking, communications, and automation products; Siemens has published ProductCERT guidance and fixes for many...
  5. Conficker (Downadup) Worm: Patch MS08-067 and Patch Management Lessons

    The Downadup/Conficker worm’s sudden surge in early 2009 forced a brutal reminder onto the Windows ecosystem: unpatched systems and lax patch management can turn ordinary desktops and servers into the backbone of a global botnet in a matter of days. Background Microsoft released an out‑of‑cycle...
  6. North America Outlook/Exchange Outage: What Happened and How It Restored

    Microsoft confirmed a regional outage that left Outlook and Exchange Online users in North America struggling with login failures, server-connection errors and delayed mail delivery, then rolled back changes and applied optimizations to restore service — while choosing not to publish full...
  7. Microsoft Enforces Dedicated Exchange Hybrid App: Sept 2025 Window

    Microsoft is taking the first concrete step in its phased enforcement of the dedicated Exchange hybrid app requirement: on September 16, 2025 at 07:00 UTC Microsoft will temporarily block Exchange Web Services (EWS) traffic that uses the Exchange Online shared service principal for hybrid...
  8. Azure DDoS Protection: Cloud-Scale Defense for Modern Apps

    Microsoft's cloud-scale DDoS service is no longer an optional add-on for large enterprises — it's a foundational element of modern application resilience, and the recent RedmondMag Q&A with Azure MVP Aidan Finn underscores why. The conversation distills how Azure DDoS Protection uses per‑address...
  9. CVE-2025-5086: Active Exploitation in DELMIA Apriso Deserialization (KEV)

    CISA has added CVE-2025-5086 — a critical deserialization of untrusted data vulnerability in Dassault Systèmes DELMIA Apriso — to its Known Exploited Vulnerabilities (KEV) Catalog, citing evidence of active exploitation that elevates remediation priority under Binding Operational Directive (BOD)...
  10. CISA ICS Advisories Sept 11, 2025: Siemens, Schneider, Daikin Patch Priority

    CISA’s latest bulletin — a compact but consequential package released on September 11, 2025 — flags eleven Industrial Control Systems (ICS) advisories affecting major automation vendors and field devices, including multiple Siemens engineering and network products, several Schneider Electric...
  11. AI-Driven UEBA Elevates Microsoft Sentinel Across Multi-Cloud

    Microsoft has pushed a significant upgrade to Microsoft Sentinel’s User and Entity Behavior Analytics (UEBA), embedding AI-driven behavioral detection, broader cross‑cloud data ingestion, and dynamic baselining that together aim to surface subtle account compromise and insider risk while...
  12. Siemens APOGEE PXC and TALON TC: CVE-2025-40757 BACnet File Leak Explained

    Siemens has confirmed a vulnerability in its APOGEE PXC and TALON TC building automation devices that allows an unauthenticated remote actor to retrieve sensitive files — including the device’s encrypted database — over BACnet, a widely used building automation protocol, a weakness now tracked...
  13. Zenity Named Gartner Cool Vendor for Agentic AI Security and AgentFlayer Risks

    Zenity’s selection as a Gartner Cool Vendor in the newly published “Cool Vendors in Agentic AI Trust, Risk and Security Management (TRiSM)” report cements the company’s rapid rise as a specialist in securing the new generation of enterprise AI agents — but it also raises urgent operational and...
  14. Copilot Studio: Near-Real-Time Runtime Security for Enterprise AI Agents

    Microsoft has pushed a significant enforcement point into the live execution path of enterprise AI agents: Copilot Studio now offers near‑real‑time runtime security controls that can route an agent’s planned actions to external monitors (Microsoft Defender, third‑party XDRs, or customer-hosted...
  15. Auditing SMB Hardening for CVE-2025-55234: From Audit to Signing and EPA

    Microsoft has published advisory guidance tied to CVE‑2025‑55234 that focuses less on a new exploitable bug and more on enabling administrators to find and measure exposure to SMB relay‑style elevation‑of‑privilege attacks before they flip stronger hardening controls. The short form: the SMB...
  16. Urgent Patch Required: CVE-2025-54912 BitLocker Kernel UAF Privilege Escalation

    Microsoft’s security advisory confirms a use‑after‑free defect in the BitLocker stack that can be triggered by an authorized local user to escalate privileges on affected Windows systems — administrators must treat CVE‑2025‑54912 as an urgent patching priority and assume a high‑impact threat...
  17. Understanding CVE-2025-54915: Local Privilege Escalation in Windows Defender Firewall Service

    Microsoft’s Security Response Center has cataloged CVE-2025-54915 as an elevation-of-privilege vulnerability in the Windows Defender Firewall Service described as “Access of resource using incompatible type (‘type confusion’),” and the vendor advises that an authorized local attacker could...
  18. CVE-2025-54910: Office Heap Overflow Leading to Local Code Execution — Patch Guidance

    Microsoft’s Security Update Guide lists CVE-2025-54910 as a heap-based buffer overflow in Microsoft Office that can allow an attacker to execute code locally when a crafted Office document is processed, but the vendor’s advisory requires direct inspection for exact builds and KB identifiers...
  19. CVE-2025-54116: Local Privilege Escalation in Windows MultiPoint Services

    Improper access control in Windows MultiPoint Services (CVE-2025-54116) allows a locally authorized attacker to elevate their privileges on an affected host. Executive summary What it is: CVE-2025-54116 is an elevation-of-privilege (EoP) vulnerability in Microsoft’s Windows MultiPoint Services...
  20. RRAS 2025 Heap-Based RCE: CVE-2025-54113 – Patch Now for Windows Server

    Executive Summary Microsoft has released a security update addressing a new heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS), tracked as CVE-2025-54113. The flaw could allow remote code execution (RCE) if exploited, and administrators are strongly urged to patch...