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Continuous verify

Continuous identity verification for SaaS agents

SaaS platforms increasingly host AI agents that act on user data. Continuous identity verification means signed allow or deny at sensitive actions throughout a session, not only at login. AffixIO supplies ML-DSA-65 outcomes and Merkle audit when OAuth sessions, machine identity, or agent delegation risk changes.

Category Infrastructure Updated 17 July 2026 Reading ~5 min
CONTINUOUS IDSAAS AGENTSRE-VERIFYALLOW/DENYML-DSA-65MACHINE ID
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Continuous identity verification re-checks signed eligibility when sessions, agents, or risk context change during an active SaaS subscription.

Field note. One-time verify at session start does not catch scope creep mid-session. Re-verify before payment and export actions.

Step-up verify inside SaaS workflows

Embed AffixIO verify before exports, integrations, billing changes, and admin actions initiated by agents. Issue proofs when users enable agents or elevate scope. Deny halts automation. Allow records Merkle refs on the tenant audit trail.

Machine identity gates complement user sessions so service agents cannot borrow human OAuth alone.

Risk-triggered re-verification

Map SOC and product analytics signals to verify calls: impossible travel, new API key requests, bulk download patterns.

Combine with shadow AI controls so unapproved clients cannot reach the same endpoints even with a stolen token.

Integration notes for continuous SaaS agent verification

Map continuous SaaS agent verification to a single verify endpoint even if multiple protocols feed the same checkout or tool surface. One permission layer reduces drift between AP2, UCP, and direct REST integrations.

Review deny rates weekly during pilot. Spikes often trace to policy drift or clock skew on expiry, not fraud.

Under-16 duty

One login, unlimited agent power

Users enable agents once. Without continuous verify, compromised sessions or over-delegated agents operate unchecked for hours.

Static session trust

OAuth tokens authorise agent tool chains until expiry.

No proof on delegation changes

Users alter agent scope without fresh signed consent.

Cross-tenant actions

SaaS agents mistakenly target wrong workspace without policy gates.

Compliance asks for step-up evidence

Auditors want proof of re-verification, not log timestamps.

Verifier edge

Continuous verify for SaaS agents across long sessions

SaaS agents with hours-long sessions drift from initial authorisation scope. Continuous identity verification re-checks proofs at sensitive hooks without forcing full re-authentication.

  1. Catalog agent actions in your SaaS

    Exports, webhooks, spend, admin APIs.

  2. Define step-up triggers

    Risk scores, scope changes, time since last proof.

  3. Issue and re-issue proofs

    Short TTL credentials bound to tenant and agent.

  4. Attach Merkle refs to tenant audit logs

    Give enterprise customers exportable evidence.

Policy review

Readiness checks for continuous SaaS agent verification

  • Separate human login trust from agent action trust.
  • Require verify on cross-tenant sensitive calls.
  • Test stolen OAuth tabletop exercises.
  • Document continuous verify for enterprise security questionnaires.
  • Sandbox agent flows before GA.

Straight answers

Questions on continuous SaaS agent verification

Every click re-verifies?

Policy decides. Continuous does not mean per keystroke. It means consequential actions and risk triggers.

Enterprise SSO?

AffixIO verifies outcomes beside SAML and OIDC login.

Agent marketplaces?

Third-party agents need eligibility proofs before acting on tenant data.

Docs?

/docs and /agent-authorisation/

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Pages that support continuous SaaS agent verification

Infrastructure

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Build continuous SaaS agent verify

Run periodic re-verify in sandbox, then wire checks to high-risk tool and payment hooks.

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