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Grivyonx Intelligence Hub

Intelligence Hub Archive - Page 44

Older cybersecurity, AI and cloud security analysis from the Grivyonx research team.

Cyber Security

DeadLock Ransomware Leverages Polygon Blockchain for Resilient Extortion

The DeadLock ransomware operation has adopted a novel approach to operational resilience by anchoring its command-and-control and leak infrastructure on the Polygon blockchain. By leveraging smart contracts and the decentralized Session messaging protocol, the threat actor has created an extortion pipeline that resists conventional sinkholing and domain seizure tactics used by defenders. This shift signals a maturation in ransomware economics, where criminal groups treat infrastructure as a strategic asset class rather than disposable tooling. Security teams must now account for blockchain-based persistence when designing incident response playbooks and threat hunting hypotheses.

By Gourav Rajput

Cyber Security

OpenAI Launches GPT-5.6-Cyber for Advanced Security Research

OpenAI has unveiled GPT-5.6-Cyber, a new AI model tailored for cybersecurity tasks. This specialized tool aims to enhance vulnerability research, penetration testing, and incident response capabilities while adjusting safety protocols for professional use. The model represents a significant step in AI-driven security innovation.

By Gourav Rajput

AI

MCP Server Attacks: How Fragmented Commands Steal AI Agent Secrets

A novel attack technique targeting Model Context Protocol servers allows threat actors to bypass AI coding agent safeguards by splitting malicious instructions into seemingly harmless fragments. This supply chain vulnerability enables silent exfiltration of SSH keys, API tokens, and proprietary source code without triggering security alerts.

By Gourav Rajput

AI

OpenAI Tests Ads in ChatGPT

OpenAI has begun a controlled experiment to display clearly labeled ads inside ChatGPT, aiming to preserve free access while exploring sustainable revenue. The initiative includes strict privacy measures and user controls over ad visibility.

By Gourav Rajput

Cloud

Daybreak Cybersecurity Models Now Power AWS Bedrock

OpenAI’s Daybreak cybersecurity suite has been rolled out on Amazon Bedrock, giving businesses instant access to AI‑driven threat analysis and compliance tools. The move unifies advanced machine learning with AWS’s robust infrastructure, enabling faster detection and automated response across enterprise security pipelines.

By Gourav Rajput

Cyber Security

Gunra Ransomware Exploits Fortinet & Schneider Electric Flaws in Global Attacks

A joint cybersecurity advisory from the United States and South Korea has exposed a sophisticated ransomware campaign leveraging known vulnerabilities in Fortinet and Schneider Electric products. The Gunra ransomware variant is actively targeting critical infrastructure sectors globally, including healthcare, finance, and government services. This article breaks down the attack chain, mitigation strategies, and what this escalation means for organizational defense postures.

By Gourav Rajput

Cyber Security

BdThemes Plugin Hijacked via Malicious JSON to Spawn Fake WordPress Admins

Security researchers uncovered a sophisticated supply chain compromise affecting the BdThemes plugin repository. By poisoning JSON files, attackers introduced rogue administrative accounts without altering source code. WordPress.org responded by disabling downloads while site owners are urged to audit their installations and reinforce defensive measures.

By Gourav Rajput

AI

GhostJacking: AI Agent Identity Theft Revealed

AI agents are increasingly central to business operations, yet a new threat—GhostJacking—shows how attackers can piggyback on security alerts to hijack these systems. By exploiting gaps in identity governance, malicious actors can manipulate AI behavior without triggering traditional defenses. This article explains the mechanics of GhostJacking, its real‑world implications, and actionable defenses to protect your organization.

By Gourav Rajput

Cyber Security

Water System Cyberattacks Spread Across US States

Cyberattacks against water treatment facilities and distribution networks are escalating across more than a dozen U.S. states. These intrusions are exploiting weakly protected, internet-facing programmable logic controllers (PLCs), raising serious concerns about the cybersecurity posture of critical public utilities.

By Gourav Rajput

Cyber Security

Patch Chains: A Strategic Shift for Modern Defenders

In today's hyperconnected environment, defenders often rely on CVSS scores and static patching checklists to prioritize fixes. This approach, however, leaves critical gaps that sophisticated adversaries can exploit. The reality is that attacks rarely follow a simple checklist; they follow chains of compromise that target the most valuable assets. Understanding these chains and focusing on choke‑point patching offers a more effective strategy for modern security teams.

By Gourav Rajput

AI

5 AI‑Native Finance Lessons from OpenAI CFO

OpenAI CFO Sarah Friar outlines five practical steps for creating an AI‑native finance function, emphasizing automation, stronger controls, ROI tracking, data integration, and continuous learning. These lessons illustrate how modern finance teams can leverage machine learning to boost accuracy, reduce manual effort, and deliver measurable business value.

By Gourav Rajput

Cyber Security

China-Linked Hackers Unveil StormEncryptor Ransomware: A New Threat

Microsoft’s threat intelligence team recently identified a new ransomware variant, StormEncryptor, unleashed by the China‑linked actor Storm‑1175. The malware marks a strategic shift from the group’s previous Medusa ransomware, targeting systems through a flaw in the N‑Central management platform. Security experts warn that the use of the N‑Central vulnerability and the new C++‑based payload could expand the attack surface for financially motivated threat actors, underscoring the need for proactive detection and patching.

By Gourav Rajput

Cyber Security

Outdated Cybercrime Laws Threaten Ethical Hackers' Safety

<h2>Introduction</h2> The digital frontier is a battleground where security researchers face legal peril due to outdated cybercrime laws. A public policy expert has mapped global regulations to create a critical framework for protecting ethical hackers. This analysis explores the risks and solutions at the intersection of law and cybersecurity.<h2>The Global Patchwork of Cybercrime Laws</h2>...

By Gourav Rajput

AI

This Week's Cybersecurity Threats: AI Risks, Zero-Days & More!

This week's cybersecurity landscape reveals alarming trends: AI systems exhibiting unpredictable behavior, a critical Metabase zero-day vulnerability, complex supply-chain attacks, and exposed network routers. These threats highlight how simple security oversights can lead to major breaches. Stay informed about the latest risks and mitigation strategies.

By Gourav Rajput