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Glossary · Security and privacy

Data minimization

Collecting, sending, and retaining only data necessary for a stated purpose.

What Data minimization means

It reduces exposure but requires knowing which later uses are genuinely necessary.

Related terms in Security and privacy

Where an agent, a tool or a page can be turned against its operator, and the controls that limit the damage without proving safety.

X-Frame-Options · frame-ancestors · Referrer-Policy · Permissions-Policy · Encrypted Client Hello · lookalike domain · homoglyph · incident switch · high-risk field · Indirect prompt injection · Direct prompt injection · Jailbreak · Data exfiltration · Sensitive information disclosure · Secret leakage · Insecure output handling · Excessive agency · Least privilege · Trust boundary · Input validation · Output validation · Allowlist · Denylist · SSRF · RCE · Credential scope · OAuth scope · API key · Bearer token · mTLS · Rate-limit policy · Audit log · PII · Purpose limitation · Retention period · Data residency · Tenant isolation · Threat model · DMARC · DMARC alignment · SPF · DKIM · MTA-STS · TLS-RPT · CAA record · DNSSEC · hard bounce

Questions about Data minimization

What is Data minimization?

Collecting, sending, and retaining only data necessary for a stated purpose.

What does Data minimization not show or guarantee?

Collecting, sending, and retaining only data necessary for a stated purpose.

Which area of the glossary does Data minimization belong to?

Security and privacy: Where an agent, a tool or a page can be turned against its operator, and the controls that limit the damage without proving safety.

← PII  ·  Purpose limitation →

See it in the full glossary · 772 terms across 19 areas.

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