GPT‑5.4‑CyberOpenAI
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Related Products
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About
GPT-5.4-Cyber is a specialized, cyber-permissive variant of GPT-5.4 designed specifically to support defensive cybersecurity workflows, enabling security professionals to analyze, detect, and remediate vulnerabilities more effectively. It is fine-tuned to lower the refusal boundary for legitimate security tasks, allowing deeper engagement with activities such as vulnerability research, exploit analysis, and secure code evaluation that are typically restricted in general-purpose models. A key capability includes binary reverse engineering, which allows the model to analyze compiled software without access to source code to identify malware potential, weaknesses, and overall system robustness. Integrated within OpenAI’s Trusted Access for Cyber (TAC) program, the model is distributed through a tiered access system that requires identity verification and progressive trust levels, ensuring that only vetted defenders, researchers, and organizations can access its most advanced features.
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About
Nebulock is an AI-powered autonomous threat hunting platform designed to proactively identify hidden security threats across an organization’s entire technology stack. It continuously analyzes telemetry data from endpoints, identity systems, cloud environments, networks, and SaaS tools, correlating signals across these layers to uncover attacks that traditional tools miss. It uses agentic AI to automate the full threat hunting lifecycle, forming hypotheses, testing them against real-time data, and translating findings into validated behavioral detection rules without manual intervention. Its core architecture includes a contextual “behavior graph” that builds a baseline of normal activity and detects anomalies by comparing events across a unified timeline, enabling more accurate identification of insider threats, credential misuse, and lateral movement. Nebulock emphasizes behavior-based detection rather than relying on static indicators.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Verified cybersecurity researchers and security teams who want a tool to analyze vulnerabilities and strengthen defensive security workflows
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Audience
Enterprise security teams and detection engineers who need an AI platform to proactively hunt, detect, and respond to advanced threats across complex environments
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
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Pricing
Free
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenAI
Founded: 2015
United States
openai.com/index/scaling-trusted-access-for-cyber-defense/
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Company InformationNebulock
United States
nebulock.io
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