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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.

4–6 weeksTypical delivery
Your stackDeployment
Checks recordedNamed agent
Agent CareAfter launch

What this agent does

Runs the checks, never clears the caller

In
01

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

02

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

Reason
03

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

04

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

05

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

Decide
06

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

07

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

Out
08

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

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

AgentHuman
1Caller reaches the deskTelephone, web chat, email, an in-app session or a call transferred in from another queue
2Release type identifiedWhat is being asked for, the regime that governs it and the checks that release requires
3Checks run and returnedEach method, what it returned, what is still outstanding and confidence
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
6Verification record updatedOnly where write access and records policy allow it
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 required8 items
Deciding a caller is verified.
Releasing information to a caller.
Changing an account or a credential.
Overriding a check that failed.
Automation boundaryAgent 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 callIllustrative example
Call
Release asked for
Offered as proof
Method of record
Confidence
Cleared by
Inbound, account holder
Move the mobile number on the account to a new device
Last four digits and billing address
One-time code to the number of record
Step-up required
The named support agent, by name
As receivedTaken 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 clearedThe facts offered are the kind a caller could readily know already.
ActionTake the callStep up a checkSend to supervisor
What the score decidesBelow the configured threshold the call picks up a supervisor read before release.

Value

Where AI adds value

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

Where the value landsValue 01 – 04
Every call at the deskFrom 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.

04Build 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 telephonyAmazon Connect · Talkdesk · Aircall
Caller line and IVR signals
Identity and access systemsOkta · Entra ID · Ping
Directory and factor-enrolment data
Verification servicesProve · 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 systemsZendesk · Salesforce Service Cloud
Account and change-of-record data
Observability & evaluationOpenTelemetry · 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 defenceInward → 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 – L2Test whether a release may stand
L3Puts the release in a support agent's hands
L4 – L5Keep the release and the checks behind it
L6Refuses 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
Depth of coverage ▼
E1Final-output evaluationDid the checks recorded as run actually run, and return what is stored?
E2Step-level evaluationDid the agent read the right release type and the live regime rules?
E3Tool evaluationDid it call the correct verification service and the correct account?
E4Confidence calibrationDo thin verifications actually attract more supervisor step-ups?
E5Slice evaluationHow does verification change across specific release types?
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 lifecycleDirection of processing →
01 · Retrieval1 mode
OZ-03

Wrong release type read

The call is checked for a lighter release than asked.

Stage gathersThe caller, the release and the checks it needs
02 · Reasoning2 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 proposesThe release, the checks and what is outstanding
03 · Tool / write2 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 writesOnly where write access and approval policy allow it
04 · Output1 mode
OZ-01

Released on readily known facts

The proof offered was a fact anyone could know.

Stage returnsThe release the caller gets and the record
05 · Change / Version1 mode
OZ-07

Silent method drift

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

Stage tracksModel, 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

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 aggregateIllustrative example
SliceFailure rateLift Lift 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 stagesSwitchback — the path turns at Improve and returns at Learn
01Detect

Step-up rate falls on one release type.

02Diagnose

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.

03Improve

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

04Verify

A single red caller case stops the whole release.

05Learn

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

Learn → DetectThe 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
01Release-type discovery and automation-boundary work.
02Directory, telephony and account sources.
03Release-to-check and verification-method mapping work.
04Call ingestion and release-type reading.
05Check orchestration and method binding.
06Confidence scoring and supervisor routing.
07Support agent review workflow.
08Directory-and-ticketing integration.
09Verification and release cases.
10Guardrails and release controls.
11Release-trail instrumentation.
12Deployment, documentation and Agent Care handover.
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 tier PilotOne queue, one release type ProductionProduction support systems AdvancedMultiple 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 price From $5,000 From $8,000 Custom quote
Final build priceConfirmed after discovery based on integrations, workflow complexity, call volume, approval controls and deployment requirements.
Separate from buildBuild 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.

You bringWe build with it
01Your release types and what each one may disclose Release-type mapping and check bindingWeek 1
02Representative calls from each release type Call ingestion, check orchestration and the verification baselineWeek 2
03The regimes you release under and who clears each Regime mapping, check binding and the automation boundaryWeek 1
04Access to relevant APIs, feeds or exports Directory, telephony and account assessment, then integration setupWeek 2
05Releases you would not want replayed Verification cases and the evaluation runWeek 4
06What no check may prove Confidence scoring, supervisor routing, guardrails and release controlsWeek 3
07A named support agent who makes the release Support agent release workflow, then pilot and production validationWeeks 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 W1W2W3W4W5W6
Discovery W1
Build W2 – W3
Evaluate W4 – W5
Pilot & Launch W5 – 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 bandEach bar covers only the weeks its own work is named for, and week five is shared by design.
At the end of W6When the verification record validates, Agent Care picks the agent up.
DurationSix-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.

Nestack Agents · Identity verificationAGT-SUP-03 · Agent Care available after launch