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
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.
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 —
Microsoft Patch Tuesday — April 2026: 168 Vulnerabilities Fixed, Including an Actively Exploited SharePoint Zero-Day
Microsoft’s April 2026 Patch Tuesday delivers a heavy set of fixes: 168 vulnerabilities across Windows, Office, Azure components and developer tools. The release includes one confirmed actively exploited zero-day in SharePoint Server (CVE-2026-32201) and a publicly disclosed elevation-of-privilege flaw in Microsoft Defender (CVE-2026-33825). Beyond those high-visibility issues, eight vulnerabilities are rated Critical — most of them Remote Code Execution (RCE)
Google brings “Skills” to Chrome so Gemini prompts are instantly reusable
Chrome is getting another nudge toward becoming the home for Google’s AI toolbox. This spring Google introduced “Skills,” a way to save Gemini prompts inside the browser so common queries and workflows can be retriggered with a click. Rather than retyping or copy‑pasting a prompt each time you want Gemini to perform a task, Skills let you store and reuse