secure boot

Secure Boot stops unsigned or tampered code from running before Windows loads, and enabling it on a Windows 11 PC is one of the highest‑impact security steps you can takeye — but it must be done in the right order with careful preparation to avoid data loss or BitLocker lockouts. Background /...

Microsoft is holding a second Ask Microsoft Anything (AMA) focused on the Secure Boot certificate update campaign on February 5 — an event aimed squarely at IT teams, security engineers, and device managers who need to prepare Windows devices for the retirement of legacy Secure Boot certificate...

Microsoft released a targeted security rollup for Windows 10 on January 13, 2026 — KB5073724 — and is asking eligible systems to take it seriously: the update prepares devices for an imminent Secure Boot certificate renewal, removes four legacy in‑box modem drivers that carry high‑risk baggage...

Microsoft’s January Patch Tuesday includes a narrowly targeted but high‑impact fix that refreshes expiring Secure Boot certificates on Windows devices — a preventive update that closes a small window attackers could use to install persistent bootkits before the operating system loads. The...

Microsoft’s January Patch Tuesday includes a high-priority update that refreshes expiring Secure Boot certificates on Windows devices — a preventative, must-install fix that closes a narrow but critical window attackers could use to install persistent bootkits before the OS loads. rview UEFI...

Microsoft’s first scheduled Windows 11 cumulative update of 2026 began rolling out on January 13, 2026 as KB5074109, advancing consumer installs to OS Build 26200.7623 (25H2) and 26100.7623 (24H2) while delivering a mix of security patches, reliability fixes and a handful of operational changes...

Microsoft has quietly begun the first wave of vendor-signed Windows updates for 2026 — an event that looks routine at first glance but carries outsized importance for two very different groups: Windows 10 holdouts who are running machines past the platform’s end-of-support date, and buyers (and...

The January 2026 Windows security update begins a staged, vendor-driven hardening of Kerberos by changing default Kerberos encryption behavior on domain controllers and introducing audit and enforcement mechanisms that phase out RC4-derived service tickets; at the same time, Microsoft and OEM...

Microsoft has started rolling out the January 2026 cumulative update for Windows 11—KB5074109—which advances affected machines to OS Build 26200.7623 (25H2) or 26100.7623 (24H2) and bundles this month's security fixes, quality improvements, and a phased distribution of updated Secure Boot...

A patch released in January 2026 is causing some Windows 11 PCs to restart when users try to shut them down or put them to sleep, and Microsoft has published an emergency workaround while it works on a permanent fix. Background / Overview Microsoft shipped its January cumulative updates on...

Microsoft has quietly shipped the first Windows 10 security rollup of 2026 — KB5073724 — and while it doesn’t add new features, it delivers several operationally important changes that every Windows 10 user (especially administrators and anyone running older hardware) needs to understand and...

Microsoft’s January cumulative for Windows 11 landed as a heavy-duty security baseline and a mixed operational bag: KB5074109 patches more than a hundred vulnerabilities and fixes device-level problems — notably an NPU power-state bug and preparations for Secure Boot certificate rotation — but...

Microsoft is quietly rolling out replacement Secure Boot certificates to Windows devices because several Microsoft-issued UEFI certificates from 2011 begin expiring in mid‑2026, and systems that still rely on those old certificates risk losing the ability to receive security updates for pre‑boot...

Zorin OS 18’s surge to roughly two million downloads, a set of targeted Windows updates and Insider fixes, a looming Secure Boot certificate transition, and a smattering of browser- and gaming-related developments together paint a fast-moving opening quarter for the desktop ecosystem — one where...

Microsoft is quietly replacing the Secure Boot certificates used by Windows with a new 2023 certificate family to prevent a calendar-driven failure when long-lived Microsoft UEFI certificates issued in 2011 begin to expire in mid‑2026 — a background security change that matters to PC gamers...

Microsoft is quietly rolling a coordinated replacement of long‑lived Secure Boot certificates into Windows and firmware now — because several Microsoft UEFI certificates issued in 2011 begin expiring in mid‑2026 — and PC gamers should treat this as a high‑priority maintenance event that touches...

Microsoft shipped the January 2026 Patch Tuesday updates on January 13–14, and the result is a month dominated by fixes and risk‑mitigation rather than new consumer features: Windows 11 received the cumulative update KB5074109 (builds 26200.7623 and 26100.7623) that addresses battery, stability...

If you use Windows, Microsoft Office, Azure services, SQL Server, or Microsoft developer tools, treat the latest advisories as urgent: India’s national cyber‑security agency CERT‑In has flagged multiple high‑severity Microsoft vulnerabilities and Microsoft has issued January 2026 security...

Windows and Microsoft product users are facing renewed urgency after a flurry of security advisories and the January 13, 2026 Patch Tuesday that fixed more than a hundred vulnerabilities — including at least one flaw Microsoft says was actively exploited in the wild — and security agencies and...

Microsoft’s January Patch Tuesday for Windows 11 landed with more than the usual batch of security fixes: the cumulative update (KB5074109) published on January 13, 2026, bundles a servicing‑stack update and a set of quality changes that include compatibility shifts, a targeted fix for battery...