EVIDENCE OUTPUTS
- Logging field contract
- Redaction tests
- Privileged-search review
- Retention and deletion evidence
P06Protect
ARCHITECTURE PATTERN · SYNTHETIC REFERENCE
Privacy-safe observability and log redaction
Preserve operational visibility while preventing logs from becoming an uncontrolled personal-data store.
Engineering control
Engineering pattern
not a legal template
WHEN TO USE
Use wherever events, traces or support tooling could capture personal data.
Start only after the relevant facts, source status and system boundary are understood.
SOURCE / STATUS BOUNDARY
Verify the legal status before implementation.
Engineering controlPattern verification pointers
These IDs are verification pointers to the primary-source ledger. They are not provision mappings, applicability findings or legal conclusions.
SEQUENCE DIAGRAM
Four accountable hand-offs.
- 01System owner
classifies required diagnostic fields
ARTEFACT · logging contract - 02Telemetry gateway
redacts or tokenises disallowed values
ARTEFACT · sanitised event - 03Access control
limits search and export
ARTEFACT · access record - 04Reviewer
samples events and retention
ARTEFACT · log-control test
TYPED JSON FIXTURE
Synthetic by design.
This example contains no real person, provider, incident or system data. It demonstrates record boundaries, not a production schema.
{
"fixture": true,
"schemaVersion": "1.0-demo",
"pattern": "privacy-safe-observability-and-log-redaction",
"subjectRef": "synthetic-only",
"payload": {
"event": "support_lookup_demo",
"fieldsAllowed": [
"request_id",
"result_count"
],
"redaction": "passed"
}
}THREAT CONSIDERATIONS
- Secrets or personal data in free-text logs
- Re-identification through joined telemetry
- Excessive debug retention
FAILURE MODES
- A deny-list misses new fields
- Developers bypass the gateway
- Monitoring access is never reviewed
RESEARCH / RADAR CONNECTION
Keep implementation context attached.
Implementation teams benefit from separating legal interpretation from the engineering artefacts used to execute and test a decision.
Read From obligation to evidence: the DPDP implementation stackPrivacy-safe analytics
Prefer aggregate, purpose-limited measurement with data-minimised events.
Established engineering practice · Review 2026-11-20Open radar rationaleLOCAL WORKSPACE NOTE
Give this work a next owner.
Nothing is sent anywhere. Avoid names, personal data or confidential incident details.