Posts of last few hours

North Korea’s Hangro VPN and mail platform has deployed a new certificate hierarchy that exposes an apparent cross-border management environment spanning systems in Pyongyang and Russia’s Far East. The certificate’s Subject Alternative Name field lists the platform’s publicly exposed servers alongside a carrier-grade NAT address, offering an unusual glimpse into how the service may be […]

The post North Korea’s Hangro VPN Certificate Exposes Internal Network and Russia-Linked Infrastructure appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

A new malware campaign is using blockchain technology to keep its control servers out of reach. The operation tricks visitors to compromised business websites into running a malicious command, then steals bank logins and two-factor authentication codes. The campaign has been active since at least November 2025. It combines a fake human-verification prompt, malicious PowerShell […]

The post Hackers Hide Malware Servers on Blockchain to Steal Bank Logins and 2FA Codes appeared first on Cyber Security News.

Security researcher MSNightmare, also known as Nightmare-Eclipse, has released BigDiskBuster, a proof-of-concept denial-of-service technique designed to stop Microsoft Defender Antivirus from completing platform and security-intelligence updates. The project is presented as a successor to UnDefend. The researcher claims it works across all supported Windows versions, although the experimental code remains buggy; compatibility has not been […]

The post MSNightmare has Released a Windows Defender Update DoS Vulnerability Called BigDiskBuster appeared first on Cyber Security News.

Hackers are exploiting a critical cPanel and WHM flaw to place Mirai malware on exposed servers, extending a botnet threat normally associated with connected devices. The activity produced a sharp rise in suspicious Telnet traffic and exposed a wider Internet security problem. Its use directly against servers creates concern for organizations that may not associate […]

The post Hackers Exploit cPanel CVE-2026-41940 Auth Bypass to Deploy Mirai Malware appeared first on Cyber Security News.

Threat actors are increasingly abusing Microsoft Teams’ external chat capabilities to impersonate corporate IT help desks. They trick employees into installing malware, granting remote access, and stealing Windows credentials. These attacks exploit a simple vulnerability: employees tend to distrust suspicious emails but often do not apply the same caution to collaboration platforms like Teams. Attackers […]

The post Hackers Abuse Microsoft Teams to Pose as IT Support and Steal Employee Passwords appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.