OpenAI’s latest release—GPT-5.4 Mini and GPT-5.4 Nano—marks a clear shift in focus from sheer size to practical responsiveness. These smaller variants are engineered to deliver answers far faster than their flagship counterparts while still preserving strong reasoning, coding, and multimodal skills. For teams building latency-sensitive applications—interactive coding assistants, real-time UI automation, and high-throughput data pipelines—these models promise a meaningful performance-per-cost
Category: Server and Virtualisation
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Windows Users Beware: SnappyClient — The Compact Implant That Hijacks Crypto and Disables Defenses
A compact but capable Windows implant called SnappyClient has emerged as a notable threat, especially for people who use browser-based cryptocurrency wallets on Windows machines. First observed in late 2025 by Zscaler ThreatLabz, SnappyClient blends remote access, targeted data theft, and multiple anti-detection techniques into a small C++ payload that’s typically delivered via in-memory loaders. Its combination of stealth, focused
Microsoft Plans to Disable Hands‑Free Automated Installation for Windows 11 and Server 2025 After Critical RCE Flaw
Microsoft has announced a hardening plan for Windows Deployment Services (WDS) after the discovery of a critical remote code execution vulnerability, CVE-2026-0386, that compromises hands‑free automated installations. The vulnerability exposes Unattend.xml answer files over an unauthenticated channel, allowing an attacker on the same network segment to intercept or tamper with deployment configurations. For organizations that depend on network-based provisioning to
Hotpatch Alert: Microsoft Fixes Critical RRAS Remote-Execution Flaws in Windows 11
Microsoft issued an out-of-band hotpatch on March 13, 2026, to address a set of serious vulnerabilities in the Windows Routing and Remote Access Service (RRAS) management tool that affect Windows 11. The update, tracked as KB5084597 and aimed at OS builds 26200.7982 (25H2) and 26100.7982 (24H2), patches three CVEs that can allow a remote attacker to disrupt RRAS or execute
Windows 11 February Patch (KB5077181) Can Make Drive C Inaccessible on Some Samsung PCs
Microsoft has updated its Windows 11 documentation to describe a recently discovered issue tied to the February 2026 Patch Tuesday update (KB5077181). On certain machines—predominantly Samsung consumer laptops—installing that update can result in an error that prevents access to the system drive, showing “C: is not accessible – Access denied.” The problem can go beyond a simple File Explorer error
CrackArmor: Nine AppArmor Flaws Let Local Users Escalate to Root — What Organizations Need to Know
AppArmor, a widely deployed Linux Mandatory Access Control (MAC) framework, is at the center of a set of serious vulnerabilities that researchers have dubbed “CrackArmor.” Disclosed on March 12, 2026 by the Qualys Threat Research Unit (TRU), the collection of flaws affects AppArmor’s implementation as a Linux Security Module (LSM) and has been present in the upstream kernel since around