Microsoft Teams’ Efficiency Mode Arrives for Low‑End Devices

Microsoft Teams’ Efficiency Mode Arrives for Low‑End Devices

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

Anthropic and Amazon Expand Partnership, Securing Up to 5GW of Compute for Claude

Anthropic and Amazon Expand Partnership, Securing Up to 5GW of Compute for Claude

Anthropic announced on April 20, 2026, a major expansion of its collaboration with Amazon that will secure up to 5 gigawatts (GW) of new compute capacity to train and deploy Claude. The agreement accelerates capacity coming online this year and ties together deeper infrastructure, platform integration, and additional capital investment — steps Anthropic says are needed to meet surging customer

How Attackers Abuse Microsoft Teams and Quick Assist: Inside the Helpdesk Impersonation Playbook

How Attackers Abuse Microsoft Teams and Quick Assist: Inside the Helpdesk Impersonation Playbook

A new wave of attacks is quietly abusing everyday collaboration tools to bypass user suspicion and gain hands-on control of corporate endpoints. Threat actors are impersonating internal IT helpdesk staff inside Microsoft Teams, convincing employees to grant remote access via Quick Assist, and then using that live access to deploy stealthy persistence mechanisms and move laterally through enterprise networks. Because

Windows 11 Dev Build 26300.8170 Brings Clearer Secure Boot Visibility and Bigger FAT32 Drives

Windows 11 Dev Build 26300.8170 Brings Clearer Secure Boot Visibility and Bigger FAT32 Drives

Microsoft’s latest Windows 11 Insider Preview for the Dev Channel, build 26300.8170, focuses on practical visibility and storage usability rather than flashy new features. For security-minded users and administrators, the standout change is a revamped Secure Boot display in Windows Security that finally gives clear, at-a-glance information about firmware-level protections and certificate health. Complementing that, the build addresses long-standing storage

New RDP Alert After April 2026 Security Update Warns of Unknown Connections

New RDP Alert After April 2026 Security Update Warns of Unknown Connections

Microsoft’s April 2026 Patch Tuesday introduced a small-looking but important change to how Windows handles Remote Desktop (.rdp) files. What used to be a silent, one-click experience can now surface clear warnings about unknown connections and requested local resource access, closing an easy door attackers have been exploiting for phishing and session hijacking. For organizations and individual users alike, the

Microsoft Teams Desktop Update Breaks Launch for Some Users After Caching Regression

Microsoft Teams Desktop Update Breaks Launch for Some Users After Caching Regression

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