cryptography

The landscape of Windows Server security is shifting rapidly, and the upcoming release of Windows Server 2025 stands as a testament to Microsoft’s evolving priorities. In the wake of recent high-profile vulnerabilities and administrative headaches caused by patches, Windows Server 2025 promises...

With little fanfare but seismic impact, Microsoft has charted a new course for enterprise IT security with Windows Server 2025’s latest round of security updates and architectural changes. As organizations across the globe race to secure increasingly hybrid and cloud-integrated environments...

The escalating interplay between operational technology and the digital world has made critical infrastructure—not to mention the everyday technology underpinning it—a battleground for cyberthreats. Few advisories capture this more vividly than the latest disclosure by the Cybersecurity and...

With the advent of Windows 11, Microsoft has set the stage for a modern computing experience—one where security is not just an afterthought, but a fundamental building block. Central to this security architecture is the Trusted Platform Module 2.0 (TPM 2.0), a small chip that is proving to be a...

A critical vulnerability has emerged in WinDbg—a trusted Windows debugging tool—that could potentially open the door for remote code execution. Designated as CVE-2025-24043, the flaw lies in the improper verification of cryptographic signatures within the .NET framework. In simple terms, this...

Hitachi Energy PCU400: Critical Vulnerabilities Exposed A recent security advisory has spotlighted several critical vulnerabilities affecting Hitachi Energy’s PCU400 and PCULogger products. With CVSS scores reaching up to 7.5, these flaws highlight concerning risks in cryptographic processing...

It seems there’s a new critical player in town for security aficionados and everyday Windows users alike: the CVE-2025-21336 vulnerability has been disclosed by Microsoft. If the name alone didn’t clue you into the gravity of the situation, let’s break this down into layman’s terms: a major...

Microsoft continues to redefine the frontier of cloud security with the introduction of Azure Integrated HSM (Hardware Security Module). This state-of-the-art cryptographic tool aims to tackle some of the most pressing challenges in the cloud infrastructure world, including security, latency...

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Hello Windows Insiders, today we’re releasing 20H2 Build 19042.746 (KB4598242) to the Beta and Release Preview Channels for those Insiders who are on 20H2 (Windows 10 October 2020 Update). This security update includes quality improvements. Key changes include: We fixed a security vulnerability...

Revision Note: V1.1 (October 13, 2015): Advisory revised to announce that the Default Cipher Suite Prioritization update (3042058), originally released May 12, 2015 via the Microsoft Download Center (DLC) only, is now also available via Microsoft Update (MU) and Windows Server Update Services...

We have been on a journey to eliminate passwords. Today, we are delighted to announce an important milestone. Microsoft has been aligned with the Fast Identity Online (FIDO) working group from the start, the alliance represents 250 organizations from various industries on a joint mission to...

Today, a group of eight researchers from across the security industry released a research report on SHA-1 that demonstrates for the first time, a “hash collision” for the full SHA-1 hash algorithm (called “SHAttered”). This is a significant step toward understanding this type of security issue...

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Today, Microsoft is announcing the end-of-support of the RC4 cipher in Microsoft Edge and Internet Explorer 11. Starting in early 2016, the RC4 cipher will be disabled by-default and will not be used during TLS fallback negotiations. There is consensus across the industry that RC4 is no longer...

Revision Note: V1.0 (May 12, 2015): Advisory published. Summary: Microsoft is announcing the availability of an update to cryptographic cipher suite prioritization in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2. The update adds...

Revision Note: V1.0 (May 12, 2015): Advisory published. Summary: Microsoft is announcing the availability of an update to cryptographic cipher suite prioritization in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2. The update adds...

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