Nullify's secrets detection finds exposed credentials in your code, then verifies which ones are actually live. Pattern matching and NLP surface API keys, tokens, and hardcoded PII across your codebase; each candidate is checked against the real provider — AWS, GCP, Azure, GitHub, GitLab, Stripe, Slack — so you know which secrets need rotating now.
Nullify scans your code for secrets using both pattern matching and NLP, so it catches structured credentials with a known format as well as free-form ones that aren't. Every candidate is then verified: Nullify attempts to authenticate with the discovered credential against the real provider — AWS, GCP, Azure, GitHub, GitLab, Stripe or Slack — rather than assuming a pattern match is a live secret. A credential that successfully authenticates is confirmed live and prioritized as an active exposure; each finding is also enriched with a suspected owner and rotation guidance, so the response is a rotation, not just an alert.
Most secrets scanners stop at pattern matching, which means every finding still needs a human to check whether the credential actually works. Nullify goes a step further: after pattern matching and NLP find a candidate, Nullify attempts to authenticate with it against the real provider — AWS, GCP, Azure, GitHub, GitLab, Stripe, Slack. A confirmed-live secret is treated as an active exposure and prioritized; a dead or already-rotated key is still reported, just not paged as urgent.
The finding is tagged with a suspected owner and rotation guidance, so the person who can actually rotate the credential is pointed at it directly instead of the whole team getting a generic alert. Live secrets are prioritized ahead of everything else in the queue.
No — rotating a live credential is a provider-side action Nullify doesn't have standing access to perform. Nullify finds the secret, confirms whether it's live, identifies a suspected owner, and provides rotation guidance; a human completes the rotation.
Findings are sorted into 5 categories, including PII — so hardcoded personal data gets flagged alongside API keys, tokens and other credentials. The full category breakdown is in the docs.
Read the docs: Secrets Detection · Supported Secret Categories · Related: Code Security · Cloud Security · Triage & Remediation
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