Team needs coverage and proof while keeping software spend low.

Open-source-friendly baseline

Open-source-friendly stacks can work well when someone owns tuning, review and remediation. The recipe should keep tooling simple, prove that findings are reviewed, and add an evidence workflow so low cost does not become low accountability.

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Recommended stack

Wazuh plus osquery for endpoint visibility and baseline checks.
Semgrep community or Snyk free tier for code and dependency checks.
Cloud-native security checks for AWS, Azure or GCP.
Shielda for evidence packaging, task ownership and executive notes.
A lightweight backup and restore-test routine with proof.

What can still break

Open-source tools need maintenance, tuning and alert review.
Findings can pile up if remediation is not assigned.
Auditors still need evidence history, not only tool names.
Low software cost can hide high engineering time.

Evidence checklist

Document who reviews Wazuh and osquery output.
Keep monthly vulnerability summaries with fix status.
Record cloud baseline checks and exceptions.
Save restore-test evidence for critical systems.
Review suppliers and admin access quarterly.

Budget notes

Budget engineer time honestly; open source is not free to operate.
Use paid specialist tools when alert review or detection depth outgrows the team.
Keep evidence workflow paid or owned; otherwise proof becomes the hidden cost.

Shielda fit

Shielda fits when open-source tools produce useful signals but the team needs ownership, evidence packs and short reports.

Share this recipe

Open-source baseline: Wazuh, osquery, code checks, backup proof and an evidence workflow with owners.

Open source saves money only when review, tuning and remediation are explicitly owned.

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