GPT-4o is a multimodal AI platform that has become a focus in recent cybersecurity reporting as a high-value target for exploitation and safety-evasion.
GPT-4o is a technology platform tracked across 10 threat clusters and 10 intelligence report mentions on ThreatCluster. First observed November 5, 2025; most recent activity August 3, 2026.
GPT-4o is a multimodal AI platform that has become a focus in recent cybersecurity reporting as a high-value target for exploitation and safety-evasion. Recent disclosures describe seven new vulnerabilities in GPT-4o and its successor GPT-5 that could enable zero-day exploits, alongside guardrail-bypass techniques such as EchoGram tokens, underscoring a substantial attack surface and misuse risk for threat actors.
A North Korean cyber group, BlueNoroff, has developed a phishing kit that utilizes AI-generated faces to create convincing fake Zoom and Teams meetings targeting cryptocurrency executives. The kit employs pre-edited…
A study published in Radiology reveals that both radiologists and multimodal large language models (LLMs) struggle to distinguish AI-generated deepfake X-ray images from authentic ones. The study involved 17…
At Black Hat USA 2026, 29% of sessions focused on AI security, highlighting a shift in attack methodologies targeting agent infrastructure. Significant briefings from Check Point Research revealed vulnerabilities in…
Seven new vulnerabilities have been identified in the GPT-4o and GPT-5 models, potentially allowing for zero-day exploits. These vulnerabilities affect users of the models and could lead to unauthorized access or…
CyberSentinel AI has released version 3.0 of its open-source cybersecurity platform, integrating 33 penetration testing and threat intelligence tools. The platform features a provider-agnostic AI engine that supports…
Security researchers from HiddenLayer have developed a new attack method called EchoGram, which targets the guardrails of large language models (LLMs). By using specific phrases like '=coffee', attackers can bypass…
Academics have identified a new class of attack known as environmental indirect prompt injection, where self-driving cars and autonomous drones can be manipulated by illicit instructions displayed on road signs. This…
Chinese hackers have leveraged artificial intelligence tools to conduct cyberattacks, with Anthropic, a major US company, reporting a recent incident. The attacks utilize AI models capable of writing code, scanning…
Seven new vulnerabilities have been identified in the AI models GPT-4o and GPT-5, potentially allowing for zero-day exploits. These vulnerabilities could impact various applications utilizing these models, raising…
Researchers from HiddenLayer have identified a new attack technique called EchoGram that can bypass AI guardrails designed to filter harmful input in large language models (LLMs). This technique allows users to…
GPT-4o is a multimodal AI platform that has become a focus in recent cybersecurity reporting as a high-value target for exploitation and safety-evasion.
The most recent intelligence report mentioning GPT-4o on ThreatCluster is dated August 3, 2026. Activity was first observed November 5, 2025, giving a tracked span from then to August 3, 2026.
Across ThreatCluster reporting, GPT-4o most frequently co-occurs with BlueNoroff, Botnet, Data Breach, Malware, Phishing, among 12 tracked related entities.
The most significant recent cluster is “North Korean BlueNoroff Uses AI for Sophisticated Zoom Phishing Attacks” (16 articles · Updated July 24, 2026). GPT-4o appears across 10 threat clusters in total, listed above with sources.
GPT-4o appears in 10 intelligence report mentions across 10 deduplicated threat clusters, aggregated from 17,000+ monitored sources.