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Quick answer: the Windows Memory Diagnostic Tool is a built-in Windows tool for checking RAM for possible memory errors. Run it if a PC is repeatedly crashing, freezing, restarting unexpectedly, or showing blue screen errors. If it reports memory errors, treat the result seriously. If it reports no errors, do not assume RAM is definitely…

Microsoft is making a major change to Microsoft Entra ID authentication by introducing passkeys as the default sign-in method for customers starting in September. The move marks another step toward passwordless authentication to help organizations strengthen defenses against modern credential theft and phishing attacks. Passkeys have become increasingly important because cybercriminals are using more sophisticated…

Microsoft has released an update to address a zero-day RoguePlanet vulnerability in Microsoft Defender. This security flaw, CVE-2026-50656, can be exploited by hackers to gain full access to the victim’s computer. In June, Nightmare Eclipse first discovered this flaw and published technical details along with proof-of-concept exploit code. This researcher has been involved in an…

Microsoft is adding Cross-Tenant Message Recall to Exchange Online, allowing organizations to recall mistakenly sent emails across trusted Microsoft 365 tenants. The new capability extends one of Exchange Online’s most requested features while giving IT administrators full control over which external organizations can participate. In 2023, Microsoft released the cloud-based Message Recall feature for Exchange…

Microsoft has announced the general availability of Microsoft Entra Backup and Recovery for commercial customers following its public preview launch in March. This new service is designed to protect critical data from accidental errors and cyber threats. Organisations rely heavily on identity systems like Microsoft Entra ID to manage access and security. However, they often…

As AI reshapes the cybersecurity landscape, Microsoft is strengthening its Windows vulnerability management strategy to detect security flaws earlier, accelerate remediation, and better protect customers. The company is expanding its use of AI-powered tools and engineering innovations to deliver faster, higher-quality security updates without compromising reliability. Microsoft explained today how it’s adapting Windows security practices…

As AI enables cybercriminals to identify and exploit vulnerabilities faster than ever, traditional patching timelines are becoming increasingly risky. Microsoft is urging IT administrators to accelerate update deployment and adopt more proactive patch management practices to reduce exposure to emerging threats. According to Microsoft, artificial intelligence is accelerating the pace at which cybercriminals can find…

Microsoft has introduced a new File Quarantine action for Microsoft Purview Data Loss Prevention (DLP) policies in SharePoint Online and OneDrive for Business. The feature automatically isolates files that violate DLP policies, which helps organizations prevent sensitive data from being exposed or shared. Microsoft mentioned that sensitive files stored in SharePoint and OneDrive can remain…

Cybersecurity researchers have warned of a new “CitrixBleed To Infinity And Beyond” vulnerability that could expose sensitive corporate data from vulnerable Citrix NetScaler appliances. This critical flaw can be exploited without authentication, which makes it a significant threat to enterprise environments. WatchTowr researchers discovered the CVE-2026-8451 vulnerability in March and responsibly disclosed it to Citrix….

Microsoft Intune has released a new update that enables IT admins to manage security settings for Microsoft Defender for Endpoint on devices that are not enrolled in Microsoft Intune. This feature extends security management to Windows, Windows Server, macOS, and Linux. Microsoft highlighted that this update allows organizations to centrally manage endpoint security policies through…

Recovering a broken Windows 11 PC could soon become much easier. Microsoft is testing a new Cloud rebuild feature with Windows Insiders that reinstalls the operating system directly from the cloud. According to Microsoft, the Cloud rebuild feature lets users restore a PC to a clean and reliable state even when the operating system fails…

That’s Microsoft 365 Copilot, and it’s working exactly as designed and exposing IT’s dirty little secret: We haven’t spent enough time managing data. The practical answer is not to delay Microsoft 365 Copilot rollout forever or pretend permissions can be fixed manually across a mature tenant. IT should first restrict Copilot discovery from the obvious…