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What middleBrick covers

  • Black-box API scanning with read-only methods under one minute
  • Covers OWASP API Top 10 (2023), PCI-DSS 4.0, and SOC 2 Type II mapping
  • LLM security testing with 18 adversarial probe types across scan tiers
  • OpenAPI 3.0/3.1/Swagger 2.0 parsing with recursive $ref resolution
  • Authenticated scanning with strict header allowlist and domain verification
  • Programmatic API and integrations with CLI, GitHub Action, and MCP Server

Scope and testing approach

This scanner is a black-box solution that submits read-only methods (GET and HEAD) plus text-only POST for LLM probes. It does not require agents, SDKs, or access to source code, and it works across any language, framework, or cloud. Scan completion typically occurs under one minute. The engine avoids destructive payloads and blocks private IPs, localhost, and cloud metadata endpoints at multiple layers.

Detection coverage aligned to industry standards

Findings map directly to OWASP API Top 10 (2023), and the scanner surfaces issues relevant to PCI-DSS 4.0 and SOC 2 Type II control validation. Detection categories include authentication bypass, JWT misconfigurations such as alg=none or expired tokens, BOLA and IDOR via sequential ID enumeration, BFLA and privilege escalation probes, property over-exposure, input validation issues like CORS wildcard usage, rate-limiting indicators, PII and API key exposure patterns, HTTPS and HSTS misconfigurations, SSRF indicators, and inventory management gaps. The LLM security category covers 18 adversarial probe types across Quick, Standard, and Deep scan tiers, including system prompt extraction, instruction override, jailbreak attempts, data exfiltration probes, token smuggling, and nested instruction injection.

OpenAPI spec validation

The scanner parses OpenAPI 3.0, 3.1, and Swagger 2.0 documents with recursive $ref resolution. It cross-references spec definitions against runtime observations to identify undefined security schemes, sensitive fields, deprecated operations, and missing pagination. This comparison helps highlight discrepancies between declared design and observed behavior.

Authenticated scanning and data safety

Authenticated scanning supports Bearer tokens, API keys, Basic auth, and cookies. Domain verification is enforced through DNS TXT records or an HTTP well-known file to ensure only domain owners can submit credentials. The header allowlist restricts forwarded headers to Authorization, X-API-Key, Cookie, and X-Custom-* keys. Scan data is deletable on demand and purged within 30 days of cancellation. Customer data is never sold and is not used for model training.

Product integrations and pricing

The Web Dashboard centralizes scans, report viewing, score trend tracking, and branded compliance PDF downloads. The CLI supports commands such as middlebrick scan <url> with JSON or text output. A GitHub Action can gate CI/CD, failing builds when scores drop below a set threshold. The MCP Server enables scanning from AI coding assistants. The API client allows custom programmatic integrations. Pricing includes a no-cost tier for 3 monthly scans, a Starter tier at 15 APIs with dashboard and alerts, a Pro tier for 100 APIs with continuous monitoring and CI/CD integration, and an Enterprise tier with unlimited APIs and dedicated support.

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Frequently Asked Questions

Does this replace a human pentester for high-stakes audits?
No. The tool detects and reports findings with remediation guidance, but it does not replace a human pentester for high-stakes audits.
Which compliance frameworks does the solution map findings to?
Mappings are provided to OWASP API Top 10 (2023), PCI-DSS 4.0, and SOC 2 Type II. Other frameworks are supported through alignment, not certification or guarantees.
Can authenticated scans be performed securely?
Yes, authenticated scans are supported with domain verification and a strict header allowlist. Only designated authentication headers are forwarded to the target.
Is sensitive customer scan data retained or used for training?
No. Scan data can be deleted on demand and is purged within 30 days of cancellation. It is never sold or used for model training.
Does the tool perform active exploitation like SQL injection or command injection?
No. The scanner does not perform active SQL injection or command injection, as those require intrusive payloads outside its scope.

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