Performance, Robustness & Cybersecurity — Lifecycle Operations

Performance, Robustness & Cybersecurity — Lifecycle Operations

Zen AI Governance — Knowledge Base EU/UK alignment Updated 05 Nov 2025 www.zenaigovernance.com ↗

Performance, Robustness & Cybersecurity

EU AI Act Compliance Regulatory Knowledge EU/UK aligned
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Key takeaways
  • Agree acceptance per cohort/context, not just global averages. Declare trade-offs and residual risks.
  • Robustness mixes testing (adversarial/red-team) with design (guardrails, filters, isolation, rate-limits).
  • Security is supply-chain + runtime + operations; keep attestations and SBOMs in the evidence pack.

Targets & acceptance

  • Define accuracy/utility targets, fairness thresholds, safety limits and latency/availability SLOs.
  • Acceptance gates with owner sign-off; publish tolerances and monitoring strategy.

Cohorts & contexts

  • Slice performance by protected attributes (where lawful), environment, channel and language.
  • Stress contexts: noisy inputs, domain shift, long-tail prompts, time-pressure, partial failures.

Robustness & adversarial testing

  • Adversarial examples; perturbations; conflicting instructions; model inversion/extraction tests.
  • Safety decks: disallowed content, self-harm, medical/legal claims, financial advice.

LLM/Jailbreak protection

  • Prompt hygiene; system/policy prompts; refusal rules; tool-use restrictions; content classification pre/post-generation.
  • Guardrails for personally identifiable/sensitive content; grounding and citation checks for RAG.

Hardening patterns

  • Input validation; safelist/denylist; output sanitisation; deterministic fallbacks for critical flows.
  • Network isolation; egress control; key management; policy-gated CI/CD; canary releases.

Observability & SLOs

  • Golden signals: latency, errors, saturation, cost, queue depth, and model-quality signals.
  • Pager duty with SLO burn-rate alerts; automated triage and playbooks.

Supply-chain & attestations

  • SBOM; model provenance; license checks; vendor attestations (evaluation scope, safety, security).
  • Third-party risk assessments; contract clauses for incident support and notifications.

Privacy & secure MLOps

  • Secrets rotation; short-lived tokens; data minimisation in traces; access logging and approvals.
  • PII scanning in prompts/outputs; redaction; consent flows; per-tenant isolation where applicable.

Resilience & rollback

  • Downgrade modes (heuristics/manual review) for safety-critical flows; circuit-breakers.
  • Backups, disaster recovery RTO/RPO; cross-region failover; rollback buttons with validation.

Governance & waivers

  • Risk acceptance/waiver process with expiry; senior accountability; regular review cadence.

Evidence & change control

  • Keep evaluation suites, red-team results, jailbreak logs, security tests and sign-offs in the evidence pack.
  • All changes via tickets with diffs, approvers and rollback criteria linked to PMM.

Implementation checklist

  • Targets set per cohort/context; adversarial/robustness tests defined; guardrails live.
  • Observability and SLOs active; supply-chain attestations stored; rollback rehearsed.

© Zen AI Governance UK Ltd • Regulatory Knowledge • v1 05 Nov 2025 • This page is general guidance, not legal advice.

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