operational security

A critical and as yet unpatched vulnerability in Windows Server 2025 has shaken the enterprise security community, exposing devastating privilege escalation risks for nearly any Active Directory (AD) environment leveraging the platform. Security researchers at Akamai uncovered the exploit—dubbed...

With the official end of support for Windows 10 looming in October 2025, organisations worldwide are faced with the inevitability of migrating to Windows 11. While much of the discussion around this migration focuses on compliance and technical requirements, forward-thinking privacy leaders are...

On April 30, 2025, Microsoft disclosed a critical security vulnerability identified as CVE-2025-33074, affecting Azure Functions. This flaw arises from improper verification of cryptographic signatures, potentially allowing authorized attackers to execute arbitrary code over a network...

The Pakistan Telecommunication Authority (PTA) has issued a critical cybersecurity advisory concerning a serious vulnerability found in Microsoft's Windows 11 version 24H2. This security flaw specifically affects devices installed or updated using outdated physical installation media such as...

In the ever-evolving landscape of cybersecurity, a recent vulnerability identified in SMA's Sunny Portal has raised significant concerns, particularly for organizations operating within the energy sector. This flaw, cataloged as CVE-2025-0731, underscores the critical importance of robust...

Siemens Insights Hub Private Cloud Vulnerabilities: Assessing Critical Risks and Proactive Defense in Industrial IoT As the digital backbone of the modern manufacturing revolution, Siemens’ Insights Hub Private Cloud has become a linchpin for data-driven industrial operations globally. However...

The Cybersecurity and Infrastructure Security Agency (CISA) has recently expanded its Known Exploited Vulnerabilities (KEV) Catalog by adding two critical vulnerabilities identified in the Linux Kernel: CVE-2024-53197: An out-of-bounds access vulnerability. CVE-2024-53150: An out-of-bounds read...

In a dramatic reminder of the relentless nature of cyber threats targeting the Windows ecosystem, the March 2025 Patch Tuesday disclosures have thrust a lingering zero-day vulnerability into the spotlight. Marked as CVE-2025-24983, this use-after-free flaw in the storied Win32 kernel subsystem...

Original release date: December 17, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 8 framework. See the ATT&CK for Enterprise version 8 for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure...

Original release date: August 26, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. This joint advisory is the result of analytic efforts among...

Original release date: April 29, 2020 Summary As organizations adapt or change their enterprise collaboration capabilities to meet “telework” requirements, many organizations are migrating to Microsoft Office 365 (O365) and other cloud collaboration services. Due to the speed of these...

For the last 20 years, the Microsoft Security Response Center has been an integral part of Microsoft’s commitment to customer security. We are often called on to talk about the work we do and how customers can apply the lessons we have learned over that period to better their security posture...

This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center (MSRC) business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us...

Original release date: June 24, 2013 Systems Affected Any system using password authentication accessible from the internet may be affected. Critical infrastructure and other important embedded systems, appliances, and devices are of particular concern. Overview Attackers can easily...