devsecops-free-security

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更新日2026年3月11日 22:30

Find free security tools: vulnerability scanners, SAST/DAST, secrets management, and PKI

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Codex または Claude でインストールこの Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。

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open-hax

open-hax/opencode-skills

GitHub リポジトリを開く Creator のリポジトリを見る

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Skill: DevSecOps Free Security

Goal

Identify free security tools for DevSecOps: vulnerability scanning, SAST/DAST, secrets management, and PKI/certificates.

Use This Skill When

Building security into CI/CD pipelines at zero cost
Setting up secrets management without enterprise tools
Needing free SSL/TLS certificates

Do Not Use This Skill When

Enterprise compliance requirements (SOC2, PCI-DSS)
Production secrets management at scale

Inputs

Security tool category (SAST, DAST, secrets, PKI)
Language/technology stack
Integration points (CI/CD, runtime)

Steps

Inventory SAST Tools (Static Analysis)
- GitHub CodeQL
  - Free for public repos
  - Supports many languages
  - Integrated with GitHub Actions
- SonarCloud
  - Free for public repos
  - 15 languages supported
  - CI/CD integration
- Semgrep
  - Free for small teams
  - Customizable rules
  - GitHub/GitLab integration
- ESLint (JS/TS)
  - Open source, free
  - Extensive plugin ecosystem
  - Security plugins available
- Bandit (Python)
  - Free, open source
  - Common security issues detection
- Safety (Python)
  - Dependency vulnerability scanning
  - Free database access
Inventory DAST Tools (Dynamic Analysis)
- OWASP ZAP
  - Free, open source
  - Automated scanning
  - CI/CD integration
- Nuclei
  - Free, open source
  - Template-based scanning
  - Fast and extensible
- SSL Labs
  - Free SSL/TLS assessment
  - Online tool + API
Inventory Secrets Management
- HashiCorp Vault
  - Open source, self-hosted free
  - Cloud HSM integration
- Infisical
  - Free for small teams
  - Open source
  - GitHub/GitLab integration
- Doppler
  - Free for small teams (3 seats)
  - Secrets management platform
- 1Password (Secrets Automation)
  - Free for developers
  - GitHub Actions integration
- AWS Secrets Manager
  - 30 secrets free for 1 year
  - Persecret/month after trial
- GitLab CI Variables
  - Free with GitLab
  - Masked and protected variables
Inventory PKI and Certificates
- Let's Encrypt
  - Free SSL/TLS certificates
  - Auto-renewal via certbot
  - Rate limits: 50 certificates/week per domain
- ZeroSSL
  - Free 90-day certificates
  - 3 certificates per domain
- Cloudflare SSL
  - Free Universal SSL
  - Works with Cloudflare proxy
- SSL For Free
  - Free certificates via ACME
  - Multiple CA options
- Buypass
  - Free SSL certificates
  - Norwegian CA
- DigiCert (Free Trial)
  - Limited free trial
Inventory Container Security
- Trivy
  - Free, open source
  - Container image scanning
  - CI/CD integration
- Clair
  - Free, open source
  - Container vulnerability scanner
- Grype
  - Free, open source
  - Syft-based SBOM scanning
- Docker Scout (via Docker Hub)
  - Free vulnerability scanning
  - Integrated with Docker Hub
Inventory Dependency Scanners
- Dependabot
  - Free on GitHub
  - Automated updates
  - Security alerts
- Snyk
  - Free for small projects
  - Open source security
  - Container scanning
- WhiteSource Renovate
  - Free for open source
  - Automated dependency updates
- OWASP Dependency-Check
  - Free, open source
  - CVE database scanning

Output

Security tool comparison by category
Integration recommendations for CI/CD
Self-hosted vs SaaS trade-offs
Certificate authority options

Key Considerations

Let's Encrypt is the gold standard for free SSL
Self-hosted tools require infrastructure
Free tiers often have usage limits
Public repos get best free tool support

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Skill: DevSecOps Free Security

Goal

Identify free security tools for DevSecOps: vulnerability scanning, SAST/DAST, secrets management, and PKI/certificates.

Use This Skill When

Building security into CI/CD pipelines at zero cost

Setting up secrets management without enterprise tools

Needing free SSL/TLS certificates

Do Not Use This Skill When

Enterprise compliance requirements (SOC2, PCI-DSS)

Production secrets management at scale

Inputs

Security tool category (SAST, DAST, secrets, PKI)

Language/technology stack

Integration points (CI/CD, runtime)

Steps

Inventory SAST Tools (Static Analysis)

GitHub CodeQL
- Free for public repos
- Supports many languages
- Integrated with GitHub Actions
SonarCloud
- Free for public repos
- 15 languages supported
- CI/CD integration
Semgrep
- Free for small teams
- Customizable rules
- GitHub/GitLab integration
ESLint (JS/TS)
- Open source, free
- Extensive plugin ecosystem
- Security plugins available
Bandit (Python)
- Free, open source
- Common security issues detection
Safety (Python)
- Dependency vulnerability scanning
- Free database access

Inventory DAST Tools (Dynamic Analysis)

OWASP ZAP
- Free, open source
- Automated scanning
- CI/CD integration
Nuclei
- Free, open source
- Template-based scanning
- Fast and extensible
SSL Labs
- Free SSL/TLS assessment
- Online tool + API

Inventory Secrets Management

HashiCorp Vault
- Open source, self-hosted free
- Cloud HSM integration
Infisical
- Free for small teams
- Open source
- GitHub/GitLab integration
Doppler
- Free for small teams (3 seats)
- Secrets management platform
1Password (Secrets Automation)
- Free for developers
- GitHub Actions integration
AWS Secrets Manager
- 30 secrets free for 1 year
- Persecret/month after trial
GitLab CI Variables
- Free with GitLab
- Masked and protected variables

Inventory PKI and Certificates

Let's Encrypt
- Free SSL/TLS certificates
- Auto-renewal via certbot
- Rate limits: 50 certificates/week per domain
ZeroSSL
- Free 90-day certificates
- 3 certificates per domain
Cloudflare SSL
- Free Universal SSL
- Works with Cloudflare proxy
SSL For Free
- Free certificates via ACME
- Multiple CA options
Buypass
- Free SSL certificates
- Norwegian CA
DigiCert (Free Trial)
- Limited free trial

Inventory Container Security

Trivy
- Free, open source
- Container image scanning
- CI/CD integration
Clair
- Free, open source
- Container vulnerability scanner
Grype
- Free, open source
- Syft-based SBOM scanning
Docker Scout (via Docker Hub)
- Free vulnerability scanning
- Integrated with Docker Hub

Inventory Dependency Scanners

Dependabot
- Free on GitHub
- Automated updates
- Security alerts
Snyk
- Free for small projects
- Open source security
- Container scanning
WhiteSource Renovate
- Free for open source
- Automated dependency updates
OWASP Dependency-Check
- Free, open source
- CVE database scanning

Output

Security tool comparison by category

Integration recommendations for CI/CD

Self-hosted vs SaaS trade-offs

Certificate authority options

Key Considerations

Let's Encrypt is the gold standard for free SSL

Self-hosted tools require infrastructure

Free tiers often have usage limits

Public repos get best free tool support

name	devsecops-free-security
description	Find free security tools: vulnerability scanners, SAST/DAST, secrets management, and PKI