Ravindu FernandoApplication Security Consultant

Checklist · Monitoring & visibility

Make sure your SOC sees an application attack as it happens

What applications should log, how events reach the SIEM reliably, and who acts on them. Shaped by my work piping WAAP logs into a bank’s SIEM, where backpressure was the real problem.

  • 21 checks
  • 7 critical
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checks ticked
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critical checks
01

Sources and fields

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Pipeline health

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Detections

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Ownership and response

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FAQ

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Which application logs should go to the SIEM first?

Start with WAAP (web application and API protection) security events, authentication events from your applications, and API access logs that record who called which object. Together they cover common application attacks: injection, credential stuffing and broken object level authorisation. Then add high-risk business actions, such as payee and limit changes, and mobile app protection events. Agree the fields with the SOC (security operations centre) before each source goes live.

What is backpressure in a log pipeline?

Backpressure happens when the end of a log pipeline, often the SIEM (security information and event management) platform, cannot accept events as fast as they arrive. Earlier stages slow down, events queue and arrive late, and if buffers run out they are dropped. It tends to appear at the worst time, during an attack. Size for peak volume, use persistent queues and monitor the pipeline itself.

What should never be written to application logs?

Passwords, session tokens, API (application programming interface) keys, one-time passwords and full card numbers should never appear in logs, and personal data should be limited to what investigations genuinely need. Logs are copied to many systems and kept for a long time, so a secret in a log becomes a second breach. Test for it: search a sample of production logs for token and card patterns.

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