SECOPS

Reconcile OAuth Grants Against the Vendor Allowlist

Daily, compares the live set of OAuth apps authorized in Google Workspace against an approved-vendor allowlist in Airtable and reports apps that are unapproved, newly added…

CategorySecOps
Enginesim
Difficultyintermediate
Triggerschedule
Steps6
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerDaily reconciliation schedule fires
  • ActionList authorized OAuth apps and scopes from WorkspaceGoogle DriveGoogle Drive
  • ActionRead approved-vendor allowlist from AirtableAirtableAirtable
  • LogicDiff into unapproved, newly added, and unused buckets
  • ActionUpdate Airtable rows with last-seen statusAirtableAirtable
  • OutputSend three-bucket digest to security SlackSlack

What it does

This workflow keeps your real OAuth footprint honest against your approved-vendor list. Each day it pulls the apps actually authorized in Workspace, diffs them against the allowlist of record in Airtable, and produces three buckets: unapproved apps holding access, newly approved apps that just appeared, and approved apps no one has used recently and could be retired.

When to use it

Use it when you maintain a formal approved-SaaS allowlist and need to know where reality has drifted from policy. It catches both the unsanctioned app that slipped in and the stale approval that should be cleaned up to shrink your attack surface.

How it works

  1. 1A daily schedule starts the reconciliation.
  2. 2The flow lists all currently authorized OAuth apps and scopes from Workspace.
  3. 3The flow reads the approved-vendor allowlist from Airtable.
  4. 4A logic step diffs the two sets into unapproved, newly added, and unused buckets.
  5. 5The flow updates Airtable rows with last-seen status for each app.
  6. 6A Slack digest delivers the three buckets to security for action.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect Google DriveDocs, sheets, slides, files.
  2. 2
    Connect AirtableBases, tables, views, automations.
  3. 3
    Connect SlackChannels, DMs, threads, mentions.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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