Security
Send Sysdig alerts to on-call with CallHeim.
Monitor/Secure notification webhook (events). CallHeim maps the payload, collapses repeats within five minutes, and pages whoever is on call for the service it belongs to.
Recovery
CallHeim recognises Sysdig's recovery payload and closes the incident automatically when it arrives.
Setting it up
Create an Integration in CallHeim and choose Sysdig from the Catalog. You get an ingest URL for that integration — paste it into Sysdig’s webhook configuration. The snippet beside this is the shape it expects, with {{WEBHOOK_URL}} replaced by your real URL.
If you enable request signing on this integration, CallHeim requires a valid HMAC-SHA256 signature in the X-ItOnCall-Signature or X-Hub-Signature-256 header on every request to it. Without a signing secret, the ingest URL itself is the credential.
CallHeim includes a payload mapping for Sysdig’s webhook format, built and tested against sample payloads.
# Sysdig → Settings → Notification Channels → Add → Webhook
# URL: {{WEBHOOK_URL}} Attach to alerts.After it arrives
What CallHeim does with Sysdig alerts.
Detection alerts are the case where sending content to an external model is least acceptable. Severity and correlation for these alerts are computed by rule-based code inside our own AWS environment; no finding is sent to an external AI model. An optional Amazon Bedrock path exists in the code and is switched off.
CallHeim maps Sysdig’s own severity to a P1–P5 level and shows a separate, explainable severity suggestion — a published keyword ruleset plus your own resolved-incident history — that a person can apply. How severity is suggested →
Each alert source is bound to a service, and the service’s escalation policy (or its team’s) sets who is paged. Alerting and escalation →
CallHeim closes an incident on a recovery event only for sources whose recovery payload it recognises (or that you map). For the others, a person resolves the incident.
The thresholds it passes through
- Dedup window
- 300s
- Flap threshold
- 4 transitions / 600s
- Title correlation
- similarity ≥ 0.6, same source and service
- Group window default
- 600s
All defaults are published. You can turn title correlation off or change its threshold, and set the window on your own noise rules; the dedup window and the flap settings are fixed. How alerts are processed →
Point Sysdig at CallHeim and see what it does with your alerts.
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