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Case study

Open-Source SIEM With Wazuh Cuts Log Costs 60% for a Singapore Tech Company

Oppdatert · aug 2026 By ITSECOPS Gratis · Ingen påmelding

Case study · SMB / Technology · Singapore

A Singapore tech company was paying roughly $20,000 a month in SIEM log-ingestion fees. ITSECOPS implemented an open-source stack built on Wazuh with a SOCFortress-style pipeline — and brought the monthly bill down to about $8,000 with equivalent detection coverage.

The client

A technology company in Singapore with a large fleet of servers and endpoints whose commercial SIEM pricing scaled with every gigabyte ingested.

The challenge

Detection coverage was good; the invoice was not. Every new log source made security more expensive, so teams had quietly stopped onboarding sources — the worst possible incentive.

What we did

  • Deployed Wazuh as the detection and agent layer across servers and endpoints.
  • Built an open-source ingestion pipeline (SOCFortress-style: Wazuh + OpenSearch + Graylog) sized for the real event volume.
  • Mapped existing commercial-SIEM detections to Wazuh rules and MITRE ATT&CK so coverage was provably equivalent before cutover.
  • Kept a small set of crown-jewel sources on the commercial platform where its analytics genuinely earned the fee.
  • Handed operations to a defined runbook — the stack is monitored around the clock by our SOC team.

Results

  • Log platform spend: ~$20,000/month → ~$8,000/month (–60%).
  • Source onboarding resumed — visibility went up while costs went down.
  • Detection parity documented rule-by-rule for the security committee.

FAQ

Is Wazuh production-ready for a company this size?

Yes — with proper index lifecycle management and pipeline sizing. The engineering effort shifts from licence fees to architecture, which is exactly where a partner earns their keep.

What does open-source SIEM really save?

Typically 50–70% of ingestion-based licensing. You trade licence spend for a smaller, predictable operations cost.

Who maintains it after go-live?

Either your team with our runbooks, or ITSECOPS operates it as part of 24×7 SOC monitoring.

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