Zero-day exploit bypasses default windows 11 bitlocker encryption

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A newly published zero-day exploit allows attackers with physical access to bypass BitLocker encryption on Windows 11 devices in seconds. The attack, named YellowKey, targets the default TPM-only configuration and grants full access to encrypted drives via a simple USB-based method.

The exploit was released earlier this week by a researcher using the alias Nightmare-Eclipse. It works by placing a custom FsTx folder on a USB drive formatted as NTFS or FAT. After connecting the drive and forcing entry into Windows Recovery, the system opens a command prompt with unrestricted access to the drive contents, bypassing the usual BitLocker recovery key requirement.

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Illustration depicting the Linux CopyFail vulnerability enabling root access exploits alongside Ubuntu's DDoS-induced outage.
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Linux CopyFail exploit threatens root access amid Ubuntu outage

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A critical Linux vulnerability known as CopyFail, tracked as CVE-2026-31431, allows attackers to gain root access on systems running kernels since 2017. Publicly released exploit code has heightened risks for data centers and personal devices. Ubuntu's infrastructure has been offline for over a day due to a DDoS attack, hampering security communications.

Daemon Tools app hit by monthlong supply-chain attack

Daemon Tools, a popular disk image mounting app, was compromised in a supply-chain attack starting April 8, delivering malware through official updates. Security firm Kaspersky reported infections on thousands of machines across over 100 countries. Users are urged to scan their systems immediately.

Research uncovers flaws in password managers' zero-knowledge claims

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New research from ETH Zurich and USI Lugano reveals vulnerabilities in popular password managers, challenging their assurances that servers cannot access user vaults. The study analyzed Bitwarden, Dashlane, and LastPass, identifying ways attackers with server control could steal or modify data, particularly when features like account recovery or sharing are enabled. Companies have begun patching the issues while defending their overall security practices.

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Microsoft patches critical ASP.NET Core vulnerability on macOS and Linux

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New dirty frag exploit grants root access on linux systems

Crypto

U.S. Treasury sanctions Russian network for crypto-funded cyber tool theft

The hacker news publishes weekly threatsday bulletin

The Hacker News has released its latest ThreatsDay Bulletin, focusing on various cybersecurity issues. The bulletin covers topics such as Kali Linux combined with Claude, Chrome crash traps, WinRAR flaws, and activities related to LockBit. It also includes over 15 additional stories on emerging threats.

Duet Night Abyss launcher spreads malware on Steam

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Developers of the gacha RPG Duet Night Abyss have apologized for a cybersecurity incident that distributed malware to players' PCs via a launcher update on March 18. The malware, identified as Trojan:MSIL/UmbralStealer.DG!MTB, targets passwords and cryptocurrency. Players receive in-game compensation as the team implements security enhancements.

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Experts warn Microsoft Phone Link tool exploited by unknown threat

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February 19, 2026 13:36

Researchers uncover new SysUpdate malware variant targeting Linux

February 18, 2026 23:37

New SysUpdate malware variant targets Linux systems

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Dell zero-day flaw unpatched for nearly two years

February 15, 2026 03:26

Threat actors abuse Pastebin for ClickFix scam on crypto swaps

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