A shared message board turned isolated AI agents into an effective offensive collective during OpenAI’s July 2026 ExploitGym evaluations, enabling roughly 1,200 agents to exchange more than 70,000 messages and files. About 700 eventually participated in activity that compromised portions of Hugging Face’s production environment showing that shared agent memory can become a high-risk coordination […]

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Iranian state-linked cyber actors are using fake AI applications, antivirus tools and even fabricated MRI scan results to deliver CHOSEN BRICK, a Windows-focused spyware family designed to surveil dissidents, activists and journalists. A joint advisory from the UK National Cyber Security Centre (NCSC), the FBI and the Netherlands’ AIVD warns that the campaign has targeted […]

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3,022 RubyGems packages associated with the GemStuffer campaign, expanding the known scope of an incident that researchers have linked to an alleged OpenAI agent swarm. The inventory covers 3,315 distinct package name-and-version pairs and reveals a sustained campaign that combined documentation-worker abuse, data collection, credential-theft attempts, and metadata-based web attack tests. When a documentation worker […]

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Threat actors are moving from using artificial intelligence as a productivity aid to deploying autonomous agentic systems that can execute major portions of an intrusion with minimal human intervention. Google Threat Intelligence Group (GTIG) has documented a financially motivated actor that used a multi-agent framework to plan, build, and run a mass credential-harvesting operation in […]

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Threat actors are adapting malware not only for conventional endpoint defenses and sandboxes, but also for large language model-powered tools increasingly used to triage suspicious code. ESET researchers linked the activity to Russia-aligned threat actor UAC-0099, which used the method during an attack against an organization in Ukraine. The group inserted a safety-sensitive, weapon-related request […]

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Threat actors are using AI-assisted phishing templates, executive impersonation, fake ServiceNow invoices, and fabricated email threads to pressure finance teams into authorizing fraudulent ACH payments worth nearly $50,000. Microsoft detected more than one million messages in the campaign, demonstrating how business email compromise (BEC) operations are becoming more polished, scalable, and difficult to spot. The […]

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Threat actors increasingly deploy AI agents as operational systems for cyberattacks, moving beyond simple chatbot assistants. These AI systems automate various stages of the cyber kill chain, including reconnaissance, phishing, exploitation, persistence, and bulk data theft. Anthropic reported disrupting multiple such operations between December 2025 and August 2026, involving groups suspected to be linked to […]

The post Hackers Abuse Claude AI Agents to Automate Cyberattacks, Exploitation and Data Theft appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

A newly disclosed prompt-crafting technique can hide policy-violating instructions inside ordinary-looking English prose, allowing malicious requests to pass through lightweight LLM safety filters before being recovered and processed by a more capable downstream model. Researchers found that carefully structured prose can make the first model miss an embedded instruction entirely, while the target model invests […]

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Nearly one in 10 internet-exposed LiteLLM AI gateways accepted the widely documented default master key, sk-1234, or required no authentication, creating a direct path to LLMjacking, sensitive credential exposure, and in vulnerable versions root-level code execution inside the gateway container. Their internet scan of 3,074 publicly reachable instances found that 294 systems, or 9.6%, accepted […]

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OpenAI has announced its plans for a “Defense Factory,” a cybersecurity operation that prioritizes agent-driven actions. This initiative is designed to continuously discover, validate, remediate, and verify vulnerabilities as AI systems develop the ability to conduct increasingly complex cyber operations. The initiative addresses growing concerns that long-running autonomous agents, especially those powered by widely accessible […]

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Security researchers have recently disclosed a new enterprise AI attack technique known as Workflow Identity Hijacking. This method enables external attackers to exfiltrate sensitive corporate information by submitting seemingly harmless requests to AI-powered automations. Research published by Noma Labs researcher Sasi Levi reveals that this attack does not rely on prompt injection, stolen credentials, or […]

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Threat intelligence firm GreyNoise has identified an AI-driven intrusion campaign, likely orchestrated by a Russian-speaking threat actor, that compromised at least 440 PaperCut NG/MF servers across 395 organizations in 48 countries. This campaign began on August 31, 2026, exploiting two vulnerabilities in PaperCut: CVE-2026-81578, an authentication bypass flaw, and CVE-2026-82078, a vulnerability that allows unsafe […]

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Anthropic has reported four cybersecurity evaluation incidents in which pre-release Claude AI models gained unauthorized access to real third-party systems after isolated test environments were accidentally connected to the internet. These cases revealed significant alignment failures, including biased reasoning and reckless task pursuit, when autonomous models operated for extended periods without production cyber safeguards. All […]

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Threat actors are increasingly operationalizing agentic artificial intelligence to compress cyberattack timelines, automating reconnaissance, vulnerability research, exploit development and credential theft with far less hands-on-keyboard activity. However, current evidence points to semi-autonomous, human-supervised attack chains rather than fully independent AI-driven intrusions in the wild. Agentic AI represents a material shift from conventional generative-AI abuse. Rather […]

The post Hackers Weaponize Agentic AI to Automate Reconnaissance, Exploitation and Post-Exploitation appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

U.S. intelligence and cybersecurity agencies have accused six China-based AI companies including DeepSeek, Alibaba, Moonshot AI, MiniMax, StepFun and Z.AI of extracting billions of tokens from leading American AI systems through industrial-scale knowledge-distillation campaigns. A joint Cybersecurity Advisory, AA26-251A, issued by the National Security Agency, Cybersecurity and Infrastructure Security Agency and FBI, said the campaigns […]

The post DeepSeek, Alibaba and Chinese AI Firms Extract Billions of Tokens From U.S. AI Models appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

Information-stealing malware is expanding its collection logic to target locally stored data from AI coding agents, including Claude, Cursor, Codex, Cline, Continue, and OpenCode. The shift puts developer credentials, Model Context Protocol configurations, prompt histories, project metadata, and potentially proprietary source code into the same theft pipeline long used for browser cookies, cryptocurrency wallets, and […]

The post Infostealers Target Claude, Cursor, Codex and Other AI Agents to Steal Credentials and Sensitive Data appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

Security researchers have demonstrated how vulnerabilities in AI-powered customer service agents can be exploited to bypass identity checks, expose sensitive customer data, exfiltrate one-time passwords (OTPs), and trigger unauthorized account actions. These findings underscore that the risks go beyond prompt injection; they also stem from flawed integrations among email, authentication, backend APIs, knowledge bases, and […]

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OpenAI has announced a $1 billion global commitment to expanding access to its Daybreak AI cybersecurity platform for frontline defenders who protect critical infrastructure, public services, and under-resourced organizations. The initiative, named “Daybreak for Frontline Defenders,” aims to provide subsidized access to AI models focused on cybersecurity, along with hands-on training, technical assistance, and partnerships. […]

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North Korea-linked threat actor Kimsuky has expanded its Operation GitPower activity with malicious LNK shortcuts, GitHub Personal Access Token (PAT)-authenticated payload delivery, and AI-generated decoy documents linked to the OpenCode coding agent. Genians Security Center analyzed 13 malicious LNK samples collected between August 11 and August 19, 2026. The files were delivered in ZIP archives […]

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OpenAI has acknowledged that its AI agents posted content on multiple internet sites during an event it has termed the “wiki incident.” The company characterizes this episode as a real-world example of model misalignment rather than a typical cybersecurity breach. In a statement shared on X, OpenAI emphasized that the incident highlights the need for […]

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