A subset of Microsoft Teams desktop users found themselves unable to launch the application after a recent service update introduced a caching regression. Affected clients became stuck on the loading screen, displaying an error that advised users to refresh, and could not complete the app’s startup sequence. Microsoft has acknowledged the incident and moved to roll back the update while
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Cloudflare makes post‑quantum IPsec generally available
For years, the internet’s move to post‑quantum cryptography focused first on TLS, but site‑to‑site networking has lagged behind. Today Cloudflare is announcing general availability of post‑quantum encryption for Cloudflare IPsec, bringing hybrid ML‑KEM protection to WAN tunnels so organizations can defend against “harvest‑now, decrypt‑later” attacks without buying specialized hardware. This update moves another critical piece of enterprise networking closer to a quantum‑resistant future as Cloudflare continues its push toward full post‑quantum security by 2029. Cloudflare IPsec Cloudflare IPsec is a…
Continue readingGoogle’s Gemini AI Stops Malicious Ads at Scale — Inside the 2025 Ads Safety Results
Threat actors are increasingly using generative AI to create convincing, large-scale advertising scams, and traditional keyword filters have struggled to keep up. In response, Google integrated its Gemini AI models into its ad-safety systems, allowing the company to analyze vast behavioral and account signals in real time and block threats before they reach users. The change marks a notable shift
Recently Leaked Windows Zero-Days Now Being Actively Exploited: What You Need to Know
Threat actors have begun abusing three recently disclosed Windows vulnerabilities to escalate privileges and interfere with Microsoft Defender, shifting a theoretical disclosure debate into a real-world security crisis. A security researcher known as “Chaotic Eclipse” (also called “Nightmare-Eclipse”) released proof-of-concept exploit code for all three flaws earlier this month, and multiple security teams have since observed the techniques used in
RedSun: New Microsoft Defender Zero-Day Lets Unprivileged Users Gain SYSTEM Access
A freshly disclosed zero-day vulnerability in Microsoft Defender, dubbed “RedSun,” has raised alarms across enterprise security teams: an unprivileged user can escalate to full SYSTEM-level access on fully patched Windows systems. The flaw was detailed publicly in April 2026 by a researcher known as “Chaotic Eclipse” (also referenced as Nightmare‑Eclipse on GitHub). Independent verification from vulnerability analyst Will Dormann confirms
Microsoft Windows 11 Updates May Trigger BitLocker Recovery Prompts — What IT Teams Need to Know
Microsoft has acknowledged a known issue in its April 2026 cumulative updates for Windows 11 that can unexpectedly force some devices into BitLocker recovery mode. For organizations that manage large fleets of Windows 11 endpoints, this behavior can create significant disruption if recovery keys are not immediately accessible. This article explains what’s happening, which updates are involved, why certain configurations
One-Click RCE in Azure Windows Admin Center: what happened and what you need to do
Windows Admin Center (WAC) is a convenient, browser-based management hub for administrators to manage servers, clients, and clusters from a centralized interface. A recent Cymulate Research Labs disclosure describes a critical chain of flaws that let an attacker achieve unauthenticated, one-click remote code execution (RCE) against both Azure-integrated and on-premises WAC deployments. The exploit requires little user interaction—a maliciously crafted