Grivyonx Intelligence Hub
Zero-days, ransomware, data breaches and active exploitation, explained with practical defence advice.
The Go team has pushed emergency releases 1.27.3 and 1.26.10 that instruct the standard library's certificate verifier to reject any chain containing eight specific intermediate CA keys. The move signals a serious, undisclosed compromise or mis-issuance event at a single unnamed certificate authority. Developers must rebuild applications immediately to avoid sudden TLS failures across production workloads.
By Gourav Rajput
A sophisticated cyberespionage campaign attributed to the Russian state-sponsored group APT28 has successfully compromised a naval shipbuilding entity within a NATO member state. The operation leverages a previously undocumented reflective loading technique to deploy the HOOKEDGE backdoor, signaling a dangerous evolution in the group's toolset designed to evade modern endpoint detection.
By Gourav Rajput
A critical vulnerability in Siemens Software Center has been exploited by ClickFix attackers to launch remote access trojans. The high-severity flaw allows malicious code execution with the same privileges as the application.
By Gourav Rajput
A former OpenAI engineer is held in custody after prosecutors allege he planted a recording device in a corporate conference room to capture sensitive AI data. New revelations show frequent WhatsApp contact with Saudi nationals.
By Gourav Rajput
A newly identified malware delivery service dubbed ROMULUS is weaponizing ClickFix-style social engineering to trick users into self-infecting their systems with LegionLoader and secondary payloads. Researchers at Forescout's Vedere Labs uncovered the platform's modular architecture, which automates the creation of deceptive landing pages and command injection lures. This evolution in malware distribution lowers the barrier for threat actors while complicating detection for defenders.
By Gourav Rajput
Security researchers have observed active exploitation of a newly disclosed vulnerability chain dubbed Plex2Shell. Attackers combine four flaws in Plex Media Server to silently install cryptocurrency miners and establish reverse proxy footholds on Linux systems.
By Gourav Rajput
Between the evening of October 15 and the morning of October 16, compromised copies of the Rank Math PRO plugin were distributed, embedding a self‑restoring backdoor. Sites that installed or updated during this window are considered potentially compromised and should take immediate remedial action.
By Gourav Rajput
A surge in copyright takedown requests linked to adult content platforms like OnlyFans has inadvertently mapped a vast network of compromised high-authority websites. Attackers are quietly infiltrating university and government domains to inject spam links, manipulating search algorithms and putting institutional reputation at risk. This investigation unpacks the mechanics of these campaigns and the urgent defensive steps security teams must take.
By Gourav Rajput
Federal investigators are probing the ShinyHunters hacking group after discovering that senior executives from two ransomware negotiation firms maintained close ties with the syndicate, including alleged assistance in operating an extortion portal. The alleged collaboration, which involved sharing victim data and advising on ransom demands, raises concerns about the integrity of third‑party negotiation services and could reshape law‑enforcement approaches to ransomware cases.
By Gourav Rajput
A new wave of GhostAction attackers has expanded its supply chain tactics by embedding credential stealers within fake font files across 94 GitHub repositories. The malicious payloads exploit developer trust during the dependency installation process.
By Gourav Rajput
This article examines how inherited agent architectures conflict with modern email-to-case workflows, revealing governance gaps and offering insights for building resilient customer support systems.
By Gourav Rajput
A critical unpatched vulnerability in Broadcom's Wi-Fi setup software allows attackers within radio range to execute arbitrary code as root on affected routers without needing network credentials. Security researcher Quentin Kaiser disclosed the flaw on October 16, demonstrating successful exploitation against home gateways from three Belgian ISPs. This article explores the technical implications, attack vectors, and urgent mitigation strategies for organizations and home users alike.
By Gourav Rajput
Cybersecurity researchers have uncovered a malicious npm package named imgdecode that is part of the MALFEX supply‑chain campaign. The package, uploaded on September 30, 2026, hides a Windows native addon that loads shellcode, posing a serious risk to developers and enterprises.
By Gourav Rajput
A security team has demonstrated how combining a nearly 40-year-old memory corruption flaw with a newer kernel weakness allows attackers to gain unchecked root privileges on OpenBSD 7.9, effectively bypassing built-in address randomization and advanced hardware protection mechanisms.
By Gourav Rajput
Cybersecurity analysts have uncovered a sophisticated spear‑phishing operation dubbed UAT‑11985 that masquerades as legitimate event invitations to compromise individuals linked to Taiwanese research institutions. The campaign routes victims to an adversary‑in‑the‑middle (AitM) phishing portal crafted to capture Google account usernames, passwords, and multi‑factor authentication (MFA) tokens. This targeted effort highlights the growing trend of using social engineering hooks to breach high‑value organizations in the tech and academic sectors.
By Gourav Rajput
A sophisticated China-linked cyber espionage group known as Armory Castle has leveraged a high-severity zero-day vulnerability in BeyondTrust Remote Support to compromise remote support servers. The flaw, identified as CVE-2026-102764, stems from improper origin validation in an internal messaging component and carries a CVSS score of 9.3.
By Gourav Rajput
SecTor 2026 concluded in Toronto with record attendance, revealing how cyber threats are rapidly evolving. The event showcased unprecedented engagement and marked a significant 22% increase over previous years, emphasizing the urgent need for updated security strategies.
By Gourav Rajput
F-Secure has unveiled an extensive new resource called the Scam Encyclopedia, which categorizes over 50 types of consumer fraud from a victim's viewpoint. Drawing on decades of threat intelligence research, the platform aims to educate people about evolving cybercrimes and empower them to recognize and avoid scams.
By Gourav Rajput
