Microsoft is rolling out an Efficiency Mode for Microsoft Teams designed to help devices with limited CPU and memory run the app more smoothly. Announced in a Microsoft message center update, the feature will be enabled by default on eligible hardware and aims to improve responsiveness and meeting quality by dynamically adjusting how Teams uses system resources. What Efficiency Mode
Category: Linux
Linux, Linux Basics, Linux Commands, Linux Servers, Linux Security, Linux Networking, Linux Distros, Ubuntu, Debian, CentOS, RHEL, Rocky Linux, Fedora, Arch Linux, Linux Performance, Linux Kernel, Linux Package Management, apt, yum, dnf, systemd, cron, chmod, chown, grep, awk, sed, Linux Troubleshooting, Linux firewall, iptables, nftables, tmux, screen
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
Kali Linux 2026.1 Arrives — New Tools, NetHunter Breakthroughs, and a Nostalgic BackTrack Mode
Kali Linux’s first major release of 2026 lands with a mix of practical upgrades, fresh aesthetics, and a handful of features that will matter to both day-to-day penetration testers and mobile security researchers. Version 2026.1 brings a modernized look, an under‑the‑hood kernel bump, targeted NetHunter enhancements, and eight new offensive-security tools that expand Kali’s capabilities in post‑exploitation, web testing, and
Automate Your Claude Code Workflow: A Practical Guide to Scheduled Tasks
A little automation goes a long way. If you spend any time monitoring deployments, babysitting long-running builds, checking back on pull requests, or simply reminding yourself to follow up on something later, Claude Code’s scheduled tasks give you a lightweight, session-scoped way to run prompts on a cadence. They let Claude re-run prompts automatically while your session is open, turning
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
When Local Trust Breaks: The OpenClaw 0-Click Vulnerability and What Developers Must Do Now
The speed at which developer-facing AI agents have been adopted is staggering — and rapid adoption often outpaces secure design. A recent, high-impact vulnerability in OpenClaw demonstrates how a single innocuous browser visit can be transformed into a full agent takeover. For developers and security teams, this is a reminder that conveniences like “localhost-first” assumptions carry real risk. This post





