Microsoft has confirmed a critical stability problem affecting some Windows Server 2025 domain controllers following the April 2026 cumulative update (KB5082063). Administrators around the world reported domain controllers entering repeated reboot cycles after installing the update released on April 14, 2026, and Microsoft’s release notes were updated to acknowledge the issue and a related installation failure affecting a subset of
Author: Saugata Datta
I’m an IT/DevOps professional with many years of hands-on experience across Windows, Linux, Automation, Backup and Cloud. I love building real-world automations to make infrastructure reliable, secure, and self-healing. Through this blog, I share practical learnings from enterprise projects and my home-lab experiments on Cloudflare, Self-Hosting and everything in between. Always tinkering, always improving.
How the Windows Snipping Tool’s CVE-2026-33829 Opens the Door to NTLM Hash Theft
Microsoft patched a moderate-severity flaw in the Windows Snipping Tool in the April 14, 2026 security updates that could let attackers trick the application into leaking authentication material. Tracked as CVE-2026-33829 and reported by Blackarrow (Tarlogic), the issue stems from how Snipping Tool handles certain deep links and can result in an authenticated Server Message Block (SMB) connection to an
Windows Secure Boot: A practical playbook for certificates expiring in 2026
Microsoft’s Secure Boot certificates issued in 2011 are approaching their expiration window in 2026. While affected devices will continue to boot and receive regular Windows updates, they will stop receiving new protections for the pre-boot environment — updates to Windows Boot Manager, Secure Boot DB/DBX revocations, and mitigations for newly discovered boot-level vulnerabilities. Many newer PCs already include the 2023
Anthropic’s Claude Opus 4.7 Arrives in Amazon Bedrock — Smarter Coding, Vision, and 1M-Token Context
Amazon Bedrock now offers Anthropic’s Claude Opus 4.7, a major upgrade aimed at production-grade workflows that demand stronger reasoning, longer context windows, and more reliable scaling. Opus 4.7 builds on the Opus family’s strengths and targets real-world use cases such as agentic coding, multi-step knowledge work, long-running tasks, and high-resolution visual understanding. Running on Bedrock’s next-generation inference engine, the model
Claude Opus 4.7: Anthropic’s Sharper, More Reliable Coding and Multimodal Model
Anthropic’s newest release, Claude Opus 4.7, is now generally available. Built as an incremental but meaningful upgrade over Opus 4.6, Opus 4.7 is positioned as a model that improves sustained reasoning, long-running workflows, and high-resolution vision. Anthropic emphasizes that while Opus 4.7 is not as broadly capable as their most advanced Mythos Preview model, it brings tangible gains for software
OpenAI’s GPT-5.4-Cyber: a practical boost for defenders — and a new risk calculus
OpenAI has introduced GPT-5.4-Cyber, a purpose-built variant of GPT-5.4 tuned to assist vetted security professionals with tasks previously reserved for specialized analysts. Rather than a general consumer release, this model is designed to lower refusal rates for legitimate cybersecurity workflows: binary reverse engineering, vulnerability scanning, malware analysis and exploit research. The announcement frames the model as a defensive accelerant —