Category: GBHackers Security | #1 Globally Trusted Cyber Security News Platform

SesameOp: Using the OpenAI Assistants API for Covert C2 Communication

Microsoft’s Detection and Response Team has exposed a sophisticated backdoor malware that exploits the OpenAI Assistants API as an unconventional command-and-control communication channel. Named SesameOp, this threat demonstrates how adversaries are rapidly adapting to leverage legitimate cloud services for malicious…

Critical UniFi OS Flaw Enables Remote Code Execution

Security researchers have uncovered a severe unauthenticated Remote Code Execution vulnerability in Ubiquiti’s UniFi OS that earned a substantial $25,000 bug bounty reward. Tracked as CVE-2025-52665, this critical flaw allows attackers to gain complete control of UniFi devices without requiring…

Conti Ransomware Operator Extradited to the United States

A Ukrainian national accused of participating in one of the most damaging ransomware campaigns in history has been extradited from Ireland to face charges in the United States. Oleksii Oleksiyovych Lytvynenko, 43, appeared in federal court in Tennessee following his…

EDR-Redir V2 Evades Detection on Windows 11 by Faking Program Files

Security researcher TwoSevenOneT has released EDR-Redir V2, an upgraded evasion tool that exploits Windows bind link technology to bypass endpoint detection and response solutions on Windows 11. The new version demonstrates a sophisticated approach to redirecting security software by manipulating…

What Rural Internet Providers Offer Remote Communities

Loss of internet access in rural areas is considerably more serious, as it disrupts education, work, and communication. Despite such hurdles, it is rural internet providers serving such remote communities and getting them connected. By understanding what these providers can…

Hackers Hide SSH–Tor Backdoor Inside Weaponized Military Documents

In October 2025, cybersecurity researchers at Cyble Research and Intelligence Labs (CRIL) uncovered a sophisticated malware campaign distributing weaponized ZIP archives disguised as military documents. The attack specifically targeted Belarusian military personnel through a lure document titled “ТЛГ на убытие…

CISA Alerts on Linux Kernel Vulnerability Exploited in Ransomware Attacks

The U.S. Cybersecurity and Infrastructure Security Agency has added a critical Linux kernel vulnerability to its Known Exploited Vulnerabilities catalog, warning that threat actors are actively leveraging the security vulnerability in ransomware campaigns targeting organizations worldwide. The vulnerability, tracked as…