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Support AI agent · Identity verification

Help-Desk Identity Verification AI Agent

Doubt what the caller already knows: run the checks configured for the release being asked for, record what each returned, and leave clearing the caller to a named support agent.

Typical delivery
4–6 weeks
Deployment
Your stack
Named agent
Checks recorded
After launch
Agent Care

What this agent does

Runs the checks, never clears the caller

In

  1. 01

    A caller asks for something, and the checks configured for that release run before anything is read out.

  2. 02

    A caller offers the last four digits, and 47 CFR 64.2010(e) shuts that class of fact out.

Reason

  1. 03

    A caller is a data subject, and EDPB Guidelines 01/2022 put identification and authentication on you.

  2. 04

    A caller asks for a SIM change, and 47 CFR 64.2010(h)(9) defers compliance until that paragraph moves.

  3. 05

    A caller talks money out of the desk, and 12 CFR 1005.2(m) still reads that transfer as unauthorized.

Decide

  1. 06

    A check clears and an address of record changes, and 64.2010(f) wants the customer told immediately.

  2. 07

    A caller asks after health information, and 45 CFR 164.514(h)(1) asks for identity and authority both.

Out

  1. 08

    A caller is cleared by a named support agent, never by this one, and the checks stay on record.

  2. 09

    Execute write actions only inside the approval boundaries agreed during implementation.

Product statement

Running the checks, refusing a disqualified fact and recording what returned belong to the agent. Clearing the caller, releasing, changing an account and overriding a failure belong to a named support agent.

Example workflow

One call, question to release

  1. 1Caller reaches the deskTelephone, web chat, email, an in-app session or a call transferred in from another queue
  2. 2Release type identifiedWhat is being asked for, the regime that governs it and the checks that release requires
  3. 3Checks run and returnedEach method, what it returned, what is still outstanding and confidence
  4. 4Controls appliedDisqualified-fact checks, regime checks, step-up checks and confidence threshold

No human action required

Stages 1 to 4 run unaided, and nothing is released at any of them — the agent is checking, and the support agent lane opens at the confidence gate.

5DecisionBranches at the confidence threshold
High confidence

Goes to the named support agent.

Low confidence

Adds a desk supervisor read first.

Support agent review

The call is held with each check, what that check returned and what is still outstanding.

Take the call · Step up a check · Send to supervisor

Cleared — by the named support agent

  1. 6Verification record updatedOnly where write access and records policy allow it
  2. 7Outcome evaluatedCheck coverage, step-up outcomes, notifications sent and what review found

Corrections

Each support-agent correction is counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required

8 items

  • Deciding a caller is verified.
    • Releasing information to a caller.
    • Changing an account or a credential.
    • Overriding a check that failed.

  • Automation boundary

    Agent acts unaided

    • ✓Run the checks configured for the release the caller has requested.
    • ✓Refuse any fact that the regime disqualifies as readily known.
    • ✓Record each check that was run and what it returned.
    • ✓Show the agent what came back and what is outstanding.

    Nothing is released, changed or cleared here; a named support agent decides all of it.

    • Judging a check good enough for a bigger release.
    • Accepting a known fact as proof of identity.
    • Telling a caller why a check was refused.
  • Changes to verification rules or release types.

Example output

One verification, annotated

This serves a desk that may have to show what was actually checked before a release, long after the call ended; below is one verification exactly as the agent leaves it.

Verification output · single call

Illustrative example
Call
Inbound, account holder
Release asked for
Move the mobile number on the account to a new device
Offered as proof
Last four digits and billing address
Method of record
One-time code to the number of record
Confidence
Step-up required
Cleared by
The named support agent, by name

As received

Taken from the call as it happened — nothing on this side is decided by the agent.

Checks run

  • One-time code sent
  • Callback to record
  • Step-up requested

Why not cleared

The facts offered are the kind a caller could readily know already.

What the score decides

Below the configured threshold the call picks up a supervisor read before release.

Action

Take the callStep up a checkSend to supervisor

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value lands

Value 01 – 04

Every call at the desk

From the release being asked for

03Verification

Check, then hand over

The banking account-inquiry agent answers authenticated questions from the bank record and the CPNI certification agent files the annual certification; this one is the step before both.

01Approved path

The desk is the soft door

Attackers who cannot beat the login ring the people who can reset it, and CISA and the FBI name the help desk as the target in terms.

02Human review

What was checked, and not found

Checked across the regimes surveyed: no general United States duty makes an ordinary company authenticate a caller, and nothing is signed, certified or filed by a support organisation for caller authentication. The FCC SIM-change rules are adopted and dormant — the operative subsections read [Reserved], and (h)(9) suspends compliance until that paragraph is removed or carries a date. The CISA and FBI advisory names the help desk as the target but writes no desk procedure: no video verification, no callback, no supervisor approval. The one regulator text that does is a consent decree binding one carrier.

04

Build an evidence trail

The caller, the checks that were run and the agent who released it stay together.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

  • Contact centre and telephony

    • Amazon Connect
    • Talkdesk
    • Aircall
    • Caller line and IVR signals

  • Identity and access systems

    • Okta
    • Entra ID
    • Ping
    • Directory and factor-enrolment data

  • Verification services

    • Prove
    • Twilio Verify
    • Telesign
    • One-time codes and possession checks

Agent

Help-desk identity verification

  • Reads the release
  • Runs the checks
  • Holds for the support agent

  • Ticketing and account systems

    • Zendesk
    • Salesforce Service Cloud
    • Account and change-of-record data

  • Observability & evaluation

    • OpenTelemetry
    • Langfuse
    • Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six layers between the caller and the release

Six wards inside one lock, the last the deepest. What turns it is drawn in the map below.

L6 · Outermost — last line of defence

Inward → L1 · closest to the model

L6Rollback / safe modeNarrow the agent to running checks only when evaluation or production signals degrade.Roll back
L5Version monitoringTrack model, prompt, verification-rule and release-type configuration changes.Track
L4TraceabilityRecord the release asked for, each check, what it returned and the agent read.Record
L3Support agent releaseHold the call for a named support agent; the hold governs release, not whether the caller is genuine.Gate
L2Policy guardrailsTest each check against the configured regime rules; a fact the regime disqualifies is refused.Restrict
L1Confidence thresholdsRoute a thin verification to a desk supervisor before a release is made.Require review
Model coreChecks returned — the release asked for, each method, what is outstanding and confidence
L1 – L2
Test whether a release may stand
L3
Puts the release in a support agent's hands
L4 – L5
Keep the release and the checks behind it
L6
Refuses the release outright when signals degrade

How Nestack evaluates it

Evaluate the whole verification — not only the call that ended in a release.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the release the caller walks away with

  1. E1Final-output evaluationDid the checks recorded as run actually run, and return what is stored?
  2. E2Step-level evaluationDid the agent read the right release type and the live regime rules?
  3. E3Tool evaluationDid it call the correct verification service and the correct account?
  4. E4Confidence calibrationDo thin verifications actually attract more supervisor step-ups?
  5. E5Slice evaluationHow does verification change across specific release types?
  6. E6Business outcomeHow many releases were made without the checks that type requires?

Floor — the loss the desk answers for

Failure modes

Where each failure originates in the agent

Seven failure modes, each placed where the verification first slips.

Agent lifecycle

Direction of processing →

  1. 01 · Retrieval

    1 mode

    • OZ-03

      Wrong release type read

      The call is checked for a lighter release than asked.

    Stage gathers

    The caller, the release and the checks it needs

  2. 02 · Reasoning

    2 modes

    • OZ-04

      Cleared for one thing, given another

      A low-risk clearance carries a high-risk change.

    • OZ-06

      Change made, notice never sent

      The account changes and the customer hears nothing.

    Stage proposes

    The release, the checks and what is outstanding

  3. 03 · Tool / write

    2 modes

    • OZ-02

      Check passed, never run

      The record shows a check that did not happen.

    • OZ-05

      Repeat caller cleared on the last call

      The previous clearance stands in for this one.

    Stage writes

    Only where write access and approval policy allow it

  4. 04 · Output

    1 mode

    • OZ-01

      Released on readily known facts

      The proof offered was a fact anyone could know.

    Stage returns

    The release the caller gets and the record

  5. 05 · Change / Version

    1 mode

    • OZ-07

      Silent method drift

      A check changes and the record still names the old one.

    Stage tracks

    Model, prompt, check rules and release types

  • Sev-1 · a release on a fact anyone knows
  • Sev-2 · a check recorded but never run
  • Sev-3 · signals degrade, release held back
See the complete Customer Support failure-mode catalogue

Affected slices

Credential resets absorb the step-ups

A release-level verification figure can read clean while credential and MFA resets carry most of the step-ups. Nestack reports the step-up rate by release type, not only in total.

Slice performance — reported separately, not only in aggregate

Illustrative example
SliceFailure rateLiftLift vs. thresholdStatus
Credential and MFA resets11.4%3.7×Review
Number and SIM changes8.1%2.6×Review
Payment and payee changes5.0%1.6×Watch
Balance and history questions2.1%0.7×Normal

Bar: step-up-rate lift vs. balance-question baseline · scale 0–4.0× · tick marks the 2.0× review threshold

2 of 4 slices over threshold

Evidence-linked improvement

What a release on known facts costs

A loop closes when the release made on readily known facts is a standing case. That suite is what the next caller cleared is measured against.

Improvement cycle · five stages

Switchback — the path turns at Improve and returns at Learn

  1. 01

    Detect

    Step-up rate falls on one release type.

  2. 02

    Diagnose

    The caller who knew the last four digits, the billing address and the name of the account manager is worked backwards until one cause is left standing.

  3. 03

    Improve

    Number the change; the releases that drove it are filed beneath it.

  4. 04

    Verify

    A single red caller case stops the whole release.

  5. 05

    Learn

    One case joins the suite, one line joins the verification record.

  6. Learn → Detect

    The return edge. The next caller is checked against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, systems, verification workflow, evaluation, integration, then production validation and handover.

Workstream

Week 1Week 2Week 3Week 4Week 5Week 6

  1. 01Release-type discovery and automation-boundary work.Week 1
  2. 02Directory, telephony and account sources.Week 1, Week 2
  3. 03Release-to-check and verification-method mapping work.Week 1, Week 2
  4. 04Call ingestion and release-type reading.Week 2
  5. 05Check orchestration and method binding.Week 2, Week 3
  6. 06Confidence scoring and supervisor routing.Week 3
  7. 07Support agent review workflow.Week 3, Week 4
  8. 08Directory-and-ticketing integration.Week 5
  9. 09Verification and release cases.Week 4, Week 5
  10. 10Guardrails and release controls.Week 4
  11. 11Release-trail instrumentation.Week 5, Week 6
  12. 12Deployment, documentation and Agent Care handover.Week 6

12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel

Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tierPilotOne queue, one release typeProductionProduction support systemsAdvancedMultiple queues / release types
Introduced at Pilot
Checks to your verification rules✓✓✓
Support agent release✓✓✓
Caller-population baseline✓✓✓
Introduced at Production
Reporting by release type—✓✓
Supervisor review workflow in your systems—✓✓
Approved write-back—✓✓
Directory-and-account integration—✓✓
Introduced at Advanced
Multi-regime verification rules——✓
Multi-stage supervisor approvals——✓
High call volume——✓
Multi-factor release controls——✓
Build priceFrom $5,000From $8,000Custom quote
Final build price
Confirmed after discovery based on integrations, workflow complexity, call volume, approval controls and deployment requirements.
Separate from build
Build pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

  1. 01Your release types and what each one may disclose

    Release-type mapping and check binding

    Week 1

  2. 02Representative calls from each release type

    Call ingestion, check orchestration and the verification baseline

    Week 2

  3. 03The regimes you release under and who clears each

    Regime mapping, check binding and the automation boundary

    Week 1

  4. 04Access to relevant APIs, feeds or exports

    Directory, telephony and account assessment, then integration setup

    Week 2

  5. 05Releases you would not want replayed

    Verification cases and the evaluation run

    Week 4

  6. 06What no check may prove

    Confidence scoring, supervisor routing, guardrails and release controls

    Week 3

  7. 07A named support agent who makes the release

    Support agent release workflow, then pilot and production validation

    Weeks 5–6

Nothing else is required

Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Read the widths as work actually done rather than layout; week five carries two phases because it must.

Phase

W1

W2

W3

W4

W5

W6

  1. DiscoveryW1
  2. BuildW2 – W3
  3. EvaluateW4 – W5
  4. Pilot & LaunchW5 – W6

Week focus

W1Release-type discovery, regime binding and the automation boundary

W2Directory and telephony integration and the caller baseline

W3Check orchestration, confidence logic and release controls

W4Evaluation suite, verification cases and failure-mode testing

W5Ticketing integration, pilot calls and targeted corrections

W6One support month run under the desk supervisor, then Agent Care handover

Reading the band
Each bar covers only the weeks its own work is named for, and week five is shared by design.
At the end of W6
When the verification record validates, Agent Care picks the agent up.
Duration
Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Customer Support AI agent

Build a verification agent around the release your desk makes on a caller who sounds right.

Show us the releases your desk makes by telephone and what a caller has to offer for each. Not a rule about authenticating a caller. A rule about not disclosing personal data to the wrong person. The last four digits are not proof, and 64.2010(e) says they are not a prompt.

Typical delivery
4–6 weeks
Deployment
Your release types
Named agent
Checks recorded
After launch
Agent Care available

Nestack Agents · Identity verification

AGT-SUP-03 · Agent Care available after launch

Build an identity verification agent

Four questions so the call starts from your actual setup — then pick a time that suits you.

About you
Your desk

No obligation. We’ll map the workflow, name the automation boundary and tell you if an agent is the wrong answer.