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About

Codex Security is an AI-powered application security agent developed by OpenAI to help teams detect and fix vulnerabilities in software systems. The tool analyzes code repositories to understand the structure, architecture, and potential risk areas within a project. Using this context, it identifies complex security issues that traditional scanning tools might overlook. Codex Security prioritizes vulnerabilities based on their real-world impact, helping security teams focus on the most critical threats. The system also validates findings through sandboxed testing environments to reduce false positives and improve accuracy. Once vulnerabilities are confirmed, it proposes patches and remediation steps that align with the system’s existing behavior. By combining AI reasoning with automated validation, Codex Security helps development teams ship more secure code faster.

About

Your AI agent ships thousands of lines a day, and most of them never get a real review. CybeDefend works inside the agent while it codes. One command installs VibeDefend on Claude Code, Cursor, Windsurf, GitHub Copilot, Codex and other agents. From then on the agent writes with your business rules in its context, mined automatically from your repo (tenant scoping, soft delete, audit on write), next to your security rules (OWASP, SOC 2, GDPR, ISO 27001). It scans each diff while the file is still open, and a guard refuses commands like rm -rf, sudo or a read of your secrets before they run. Behind it sits a full AppSec platform with SAST, SCA, secrets, IaC, CI/CD and container scanning, plus AutoFix. The free plan needs no card and includes 10 static scans and 50 AI credits. Paid plans start at $19 a month. npx -y @cybedefend/vibedefend@latest install

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Codex Security is designed for software developers, DevSecOps teams, security engineers, and organizations that need advanced tools to detect vulnerabilities and secure their software development pipelines

Audience

Engineering teams and developers who ship code with AI coding agents

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$19/month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

CybeDefend
Founded: 2025
France
www.cybedefend.com

Alternatives

Claude Security

Claude Security

Anthropic

Alternatives

CodeMender

CodeMender

Google DeepMind
Codename MDASH

Codename MDASH

Microsoft

Categories

Categories

Integrations

OpenAI Codex
Cursor
GPT-5
GPT-5-Codex-Mini
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.3-Codex
GPT-5.4
GPT-5.4 mini
GPT-5.4 nano
GPT-5.5 Pro
GPT-5.6 Terra
GPT‑5-Codex
GPT‑5.4 Thinking
Git
GitHub Copilot
OpenAI
OpenAI Daybreak

Integrations

OpenAI Codex
Cursor
GPT-5
GPT-5-Codex-Mini
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.3-Codex
GPT-5.4
GPT-5.4 mini
GPT-5.4 nano
GPT-5.5 Pro
GPT-5.6 Terra
GPT‑5-Codex
GPT‑5.4 Thinking
Git
GitHub Copilot
OpenAI
OpenAI Daybreak
Claim Codex Security and update features and information
Claim Codex Security and update features and information
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Claim CybeDefend and update features and information