Grivyonx Intelligence Hub
Zero-days, ransomware, data breaches and active exploitation, explained with practical defence advice.
The FBI has dismissed an Accenture contractor following a security breach by ShinyHunters that exposed employee data. This incident highlights critical flaws in patch management. The event underscores the need for enhanced third-party oversight in government cybersecurity frameworks.
By Gourav Rajput
Danish authorities disclosed a major security incident where unauthorized parties accessed the Central Person Register through a compromised corporate account. The breach exposed sensitive personal information for approximately 8.8 million individuals, including both living citizens and deceased persons, raising serious concerns about third-party access governance.
By Gourav Rajput
A sophisticated ClickFix attack variant has emerged, leveraging browser cache mechanisms to deliver malicious payloads without triggering traditional security controls. Microsoft Threat Intelligence reveals how attackers disguise scripts as PNG files to evade Windows execution limits.
By Gourav Rajput
Microsoft has issued out‑of‑band patches for a critical Exchange Server flaw (CVE-2026-96940) that allows authenticated attackers to read other users' mailboxes. This article breaks down the vulnerability, its exploitation path, and what organizations can do to stay protected.
By Gourav Rajput
OpenAI has unveiled its strategy for complying with European Union text provenance requirements, signaling a major shift in how AI-generated content will be identified and tracked across digital platforms. The initiative centers on implementing robust watermarking techniques that align with upcoming regulatory frameworks while maintaining the utility of generated text for end users.
By Gourav Rajput
Researchers discovered threat actors targeting the Realtek Jungle SDK to deploy the Cling botnet using STUN protocol. Our analysis examines how this exploitation attempt highlights critical vulnerabilities in IoT developer tools and the potential dangers of misconfigured network behaviors being weaponized.
By Gourav Rajput
VulnCheck reports active attacks on Rejetto HFS through CVE-2026-61500, a high-severity flaw allowing session forgery via a weak random number generator. This gives attackers unauthorized admin access and potentially full system compromise.
By Gourav Rajput
Citrix released critical security updates for CVE-2026-88779, a high-severity memory overflow vulnerability in NetScaler ADC and Gateway that enables targeted attacks capable of taking SAML-based identity systems offline.
By Gourav Rajput
Jordanian law enforcement has taken into custody Saif al-Din Khader, known online as "Rey," a suspected operative of the notorious ShinyHunters digital extortion collective. The arrest, which occurred on September 29, 2026, follows a coordinated effort between local authorities and the U.S. Federal Bureau of Investigation. Sources indicate that Khader is now assisting the FBI, offering insights that could help dismantle the broader criminal network.
By Gourav Rajput
MI5 issued a Security Service Espionage Alert on September 30, 2026, exposing that over 100 UK‑linked scholars are supporting China’s state‑backed China General Technology Research Institute. The institute funnels money into research projects that enable Beijing to gather intelligence‑relevant data, raising concerns about national security and research integrity.
By Gourav Rajput
A suspected China‑based threat actor known as Warlock continues to abuse Microsoft SharePoint weaknesses, using both legacy and fresh flaws to neutralize security defenses and roll out ransomware. The campaign, tracked by Symantec and Carbon Black Threat Hunter teams, has compromised critical infrastructure, government agencies, and educational institutions across Portuguese‑ and Spanish‑speaking nations. The attackers’ ability to bypass protective layers highlights the urgent need for robust patch management and continuous monitoring.
By Gourav Rajput
RemoteThreat, an offensive cyber operations startup, is shifting the paradigm of red teaming by focusing on post-defense failure scenarios. The platform aims to simulate how attackers operate once initial defenses are breached, offering security teams a more realistic assessment of their incident response capabilities.
By Gourav Rajput
A new espionage campaign uses the Antino backdoor to infiltrate Asian governments. Targeting agencies in Taiwan, India, the Philippines and other nations, attackers leverage compromised Outlook and OneDrive accounts to establish command-and-control channels.
By Gourav Rajput
Recent zero-day exploits targeting Kiteworks and Citrix have forced organizations into difficult decisions regarding system uptime versus data security. While one vendor instructed a complete platform shutdown, the other delayed disclosure until a patch was ready. These contrasting approaches highlight the evolving burden on security teams when trusted infrastructure becomes an attack vector.
By Gourav Rajput
A new wave of Linux-targeting backdoors has emerged, expertly disguised as legitimate Asian mail security solutions. These implants are so convincing that distinguishing them from genuine software requires deep technical analysis.
By Gourav Rajput
OpenAI has dismissed three members of its safety team following an internal investigation that found they violated company policies by improperly accessing and sharing sensitive information. The terminations highlight ongoing tensions within AI organizations around data governance and safety protocols.
By Gourav Rajput
Google has introduced a new security measure in Android 17 that restricts access to accessibility services to only verified accessibility tools when Advanced Protection is enabled. This move aims to shut down a major pathway used by malware and financial fraud apps.
By Gourav Rajput
A coordinated effort by law‑enforcement agencies across several nations has led to the disruption of a sophisticated ransomware ring known as KillSec. The operation resulted in the arrest of a 16‑year‑old suspect who is alleged to have orchestrated attacks affecting roughly 500 individuals and organizations worldwide over the past two years. The case underscores both the growing sophistication of young cybercriminals and the importance of international collaboration in combating digital threats.
By Gourav Rajput
