SECOPS

Cross-account IAM grant detection with incident bridge

Flags IAM grants that hand access to a principal in another AWS account, pages PagerDuty, and spins up a Zoom incident bridge with the responders auto-invited.

CategorySecOps
Enginesim
Difficultyadvanced
Triggerevent
Steps5
Setup~25 min

How it runs

The automated pipeline, trigger to output.

  • TriggerAxiom IAM grant eventAxiom
  • LogicDetect external account principal
  • ActionPage security on-callPagerDutyPagerDuty
  • ActionOpen Zoom incident bridgeZoomZoom
  • OutputPost bridge link to incident channelSlack

What it does

This workflow watches Axiom for IAM grants whose trust policy or principal references an external AWS account ID — a common signature of account-takeover lateral movement or data exfiltration setup. On a hit it treats the event as a potential incident: it pages on-call, opens a Zoom bridge, and posts the join link to the incident channel so responders converge fast.

When to use it

Use this when cross-account access is tightly controlled and any new external-principal grant warrants immediate eyes. It compresses the time from a suspicious grant to a live responder call from minutes to seconds.

How it works

  1. 1Axiom emits an IAM grant event and triggers the run.
  2. 2A logic step inspects the principal and trust policy for an external account ID not on the allowlist.
  3. 3On a match, PagerDuty pages the security on-call rotation.
  4. 4A Zoom meeting is created as the incident bridge.
  5. 5A Slack message posts the join link, grant details, and external account ID to the incident channel.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect AxiomLog streams, queries, dashboards.
  2. 2
    Connect PagerDutyIncidents, on-call, escalations.
  3. 3
    Connect ZoomMeetings, recordings, transcripts.
  4. 4
    Connect SlackChannels, DMs, threads, mentions.
  5. 5
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  6. 6
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  7. 7
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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