AI coding pitfall

Security failure pattern

Models can confidently produce authentication, cryptography, and input-handling code that looks professional and is subtly wrong. Security failure patterns are quiet until they are not.

How it shows up

  • Broken authentication and authorisation patterns that pass a happy-path demo.
  • Injection, SSRF, and insecure defaults introduced by "helpful" snippets.
  • Secrets, PII, and internal details leaked through prompts, logs, or generated configs.

Who this pattern hits

  • Security and engineering owners who distrust AI-produced authentication and cryptography paths.
  • Product teams preparing for security review or incident-driven remediation.
  • Teams that need a threat model, not only a patch list, after AI-assisted delivery.

When it matters: When authentication, secrets handling, and input validation look professional but fail a real threat model.

How we recover

Our solution

Threat-model and fix the real surface

We treat AI-introduced security debt as a recovery engagement: threat model the live system, fix auth and input paths that demos never exercise, and remove secrets and insecure defaults from the runtime path.

  • Correct authentication and authorisation against real roles and edge cases.
  • Close injection, SSRF, and default-insecure patterns in generated code paths.
  • Rotate secrets, scrub leakage, and put secure defaults into the delivery pipeline.

We threat-model the real surface and fix the highest-risk paths first — with clear ownership of what remains accepted risk.

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What this failure mode is

Security failure in AI-built systems is when generated auth, secrets handling, or data flows look plausible but fail threat models, least privilege, or production incident scrutiny.

Symptoms you can observe

  • Connection strings or API keys live in source, prompts, or client bundles.
  • AuthZ checks are inconsistent across endpoints or trust client-supplied roles.
  • Logs contain PII or secrets because generation defaults to verbose debugging.
  • Dependencies and generated configs were never reviewed for supply-chain or exposure risk.

Why AI-accelerated delivery makes it worse

AI tools copy common insecure patterns confidently. Without threat modelling, those patterns ship as “done”.

How Mayordomo recovers it

  • Threat-model the real attack surface with people who know the business risk.
  • Move credentials to managed identity and vault patterns; kill secrets in source.
  • Remediate high-risk findings with tests and monitoring so they do not return.

Related services: AI Project Recovery & Realignment · Azure cloud-native delivery. See also the failure patterns hub.