Security & Privacy
This is the pillar that fails candidates. Be explicit — don't hand-wave.
Seven Security Dimensions
| DIMENSION | WHAT TO SAY |
|---|---|
| Data Isolation | Per-tenant projects vs per-tenant datasets vs row-level security |
| PII Handling | Cloud DLP for detect/redact/tokenize, masking before LLM call |
| Identity & Access | IAM, Workload Identity Federation, VPC-SC perimeters |
| Encryption | CMEK with Cloud KMS, encryption in transit (mTLS) |
| Prompt Injection | Input sanitization, dual-LLM pattern, output validation |
| Compliance | SOC 2 / ISO 27001, GDPR, HIPAA, India DPDP Act |
| Data Retention | Vertex zero data retention by default — say it out loud |
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