IaC Bazaar
AWSLive-tested

Cognito User Pool & App Client

A secure-by-default Cognito user pool and app client with optional hosted-UI domain - strong password policy, TOTP MFA, account-enumeration protection, SRP-only flows, and refresh-token revocation.

terraformAWS#aws
aws-cognitoterraform v1.7

Verification

Live-tested

Really deployed to a cloud sandbox, verified against its outputs and assertions, then destroyed - with the teardown confirmed.

Conformance

  • Static validation (fmt · validate · tflint)
  • Security scan clean (Checkov)
  • Plan test superseded by live test

Provenance

Functional

  • Live-tested - applied, verified, destroyed

Last verified 2026-06-30 · how we verify

Verify this download

cosign · sha-256

Don't take our word for it. Every release is signed with cosign - check the bytes against our pinned public key before you trust them.

# 1. Our pinned public key - fetch once, trust out-of-band
curl -O https://www.iac-bazaar.com/cosign.pub

# 2. This module's Sigstore bundle
curl -o aws-cognito-1.0.0.sigstore.json \
  https://www.iac-bazaar.com/api/artifacts/aws-cognito/signature

# 3. Verify the tarball you downloaded
cosign verify-blob \
  --key cosign.pub \
  --bundle aws-cognito-1.0.0.sigstore.json \
  aws-cognito-1.0.0.tar.gz
# → Verified OK

# 4. (optional) confirm the checksum too
echo "2eededeefdb40e51f9d37b811ecc5ffb44cf2d206789c1e4770a3496dec8a5c3  aws-cognito-1.0.0.tar.gz" | sha256sum -c

Use it from the registry

terraform · opentofu
module "cognito" {
  source  = "www.iac-bazaar.com/iac-bazaar/aws-cognito/aws"
  version = "1.0.0"
}

Paid module — needs a purchase (or a subscription that covers it) plus a registry token from /account/tokens. Full setup: registry docs.

Inputs & outputs

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A free account sees the contract of every Free module. This one is Basic, so its contract unlocks when you buy it.

Documentation

aws-cognito

Amazon Cognito user pool + app client (with an optional hosted-UI domain), built secure-by-default. Works with Terraform and OpenTofu (>= 1.6), AWS provider >= 6.0, < 7.0. No VPC, no compute — user pools, app clients, and prefix domains are on the free tier.

Secure defaults:

  • Strong password policy — 12-char minimum requiring upper, lower, number, and symbol (all tunable)
  • MFA availableOPTIONAL by default with TOTP (authenticator-app) enabled; set ON to make it mandatory. SMS MFA is deliberately omitted (it needs an SNS caller role); turn it on yourself if you need it
  • Account-enumeration protection — the client returns generic errors for unknown users (prevent_user_existence_errors = ENABLED)
  • SRP-only auth flowsALLOW_USER_SRP_AUTH + ALLOW_REFRESH_TOKEN_AUTH; the plaintext-password flows are off by default
  • Refresh-token revocation enabled, conservative token lifetimes
  • Verified-email account recovery only, case-insensitive usernames
  • Deletion protection ACTIVE by default (set INACTIVE for throwaway environments so the pool can be destroyed)

Threat protection (advanced security / user_pool_add_ons) is opt-in and left OFF because it requires the paid Plus feature plan.

Requirements

  • Terraform or OpenTofu >= 1.6
  • hashicorp/aws >= 6.0, < 7.0, hashicorp/random >= 3.0, < 4.0

License

Commercial — IaC Bazaar EULA. © IaC Bazaar. Original work (not derived from a third-party module).

Usage code & full reference unlock after purchase

The complete copy-paste usage, the full input/output reference, and operational notes ship with your licence - shown here and bundled in the download.

  • Usage
  • Inputs
  • Outputs

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