Tenant isolation
Controls preventing one customer’s data or actions from crossing into another customer’s environment.
What Tenant isolation means
Shared models, logs, caches, and vector indexes are all possible boundaries.
Terms this definition uses
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 · Data minimization · Purpose limitation · Retention period · Data residency · Threat model · DMARC · DMARC alignment · SPF · DKIM · MTA-STS · TLS-RPT · CAA record · DNSSEC · hard bounce
Questions about Tenant isolation
What is Tenant isolation?
Controls preventing one customer’s data or actions from crossing into another customer’s environment.
Which area of the glossary does Tenant isolation 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.
← Data residency · Threat model →
See it in the full glossary · 772 terms across 19 areas.
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