Automate security feeds without losing context

1. Agree the event contract

Record the source, collection method, permitted recipients, expected update frequency and fields that must survive. Decide what an event means: an observation, a current exposure, or a report of past activity. Keep observation time separate from collection time and preserve the original reference.

Specify how the destination will recognize updates and duplicates. The same IP address appearing on two days may be two observations, not a duplicate. Write down your rule before choosing a deduplication window, and keep enough source context to revisit that decision.

2. Separate collection, parsing and enrichment

IntelMQ separates collectors, parsers, experts and outputs. Collectors obtain source material; parsers produce individual events; experts can enrich or filter them; output bots send them onward. Use these stages to isolate a source-format problem from a destination failure.

At each boundary, inspect a small sample and count what entered and left. Maintain a rejected-record path with a reason. A record missing a required timestamp should remain visible to an operator instead of disappearing into an apparently successful batch.

• IntelMQ — Pipeline stages and user introduction

3. Validate with a controlled replay

Include a valid event, a duplicate, an invalid address, a missing field and a changed source format in your test dataset. Use reserved example addresses and synthetic recipients. Confirm that each item has the expected disposition, and that repeating the dataset does not cause unwanted duplicate notifications.

Test enrichment failure separately. Decide which missing enrichments should delay delivery and which can be marked unavailable. If a lookup returns an organization name, preserve when and how it was obtained; it is not automatically evidence that the organization caused the observed activity.

4. Make failure and recovery observable

IntelMQ documents queue inspection, logs and failed-message dumps. Its configuration distinguishes stopping after retries from passing over a failed message; dumping the rejected message is configurable. Review these settings explicitly, because a retry limit alone does not ensure that a failed event remains available.

Exercise a temporary destination outage in your test environment. Check backlog growth, recovery, duplicate delivery and the final event count. Alert on stale input and oldest pending work as well as process failures. Assign an operator and a recovery procedure that covers malformed input and exhausted storage.

• IntelMQ — Queues, logging and failed messages
• IntelMQ — Error handling configuration

5. Verify recipient scope before delivery

n6 documents collection and distribution of security information through a REST API and web interface for authorized users. If you evaluate it for a constituency, test with separate recipient accounts and records that should and should not be visible to each. Authentication alone is not a test of correct recipient scoping.

Start notifications with manual review of a sample. Check the destination, affected asset, observation time, source and proposed action. Capture a delivery outcome without treating a successful HTTP response or accepted email as evidence that the recipient understood or remediated the issue.

• n6 — Documentation and distribution model