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2026-02-27 13:15:45 -

EternalBlue (MS17-010): The Exploit That Powered WannaCry
In 2017, a leaked NSA exploit known as EternalBlue changed cybersecurity forever. Targeting a flaw in Microsoft’s SMBv1 protocol (MS17-010), EternalBlue allowed unauthenticated remote code execution over TCP port 445. An attacker could send a specially crafted SMB packet and gain SYSTEM-level access to a vulnerable Windows machine — no credentials required. The exploit abused improper...

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2026-02-27 13:15:42 -

How to Turn Off BitLocker in Windows 11
BitLocker is Windows’ built-in drive encryption feature. It protects your data if your laptop is lost or stolen. But sometimes you might want to turn it off — for example, before upgrading hardware, reinstalling Windows, or fixing boot issues. Here’s how to disable it properly. Before You Turn It Off When you disable BitLocker, Windows will decrypt your drive. That means:...

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adicionou um novo artigo Tech
2026-02-27 13:15:47 -

New Osiris Ransomware Uses Advanced Evasion Technique to Bypass Security Tools
Security researchers have identified a new ransomware strain called Osiris that employs sophisticated evasion methods to disable endpoint protection before encrypting systems. The malware leverages a technique known as Bring Your Own Vulnerable Driver (BYOVD), allowing attackers to execute malicious code with elevated privileges while circumventing detection by traditional security tools. What...

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2026-02-27 13:15:44 -

Windows 11 KB5077181 Update Causing Boot Loops – Here’s What’s Happening
Microsoft’s February 2026 cumulative update for Windows 11 (KB5077181) was supposed to patch a batch of security vulnerabilities — but some users are reporting serious issues after installing it. The biggest problem? Devices stuck in infinite reboot loops after the update installs. Affected systems (mainly 24H2 and 25H2 builds) reportedly restart repeatedly, sometimes never reaching...

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adicionou um novo artigo Tech
2026-02-27 13:15:45 -

Windows Notepad Zero-Day Vulnerability (CVE-2026-20841)
Overview and How It Worked In February 2026, Microsoft released security updates addressing a remote code execution vulnerability in the modern Windows Notepad application, tracked as CVE-2026-20841. The flaw was rated high severity, and users were advised to apply updates immediately. The vulnerability stemmed from how Notepad handled Markdown files containing clickable links....

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