What engineering tasks move us from cookies to Privacy Sandbox for age-gating for teen users?

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• Add a DPDP-specific breach checklist: identify personal data involved, affected purposes, and whether harm/likelihood-of-harm thresholds are met.
• Build a 1–6 hour internal escalation flow so legal, security, and the DPO can assess if the breach is notifiable to the Data Protection Board.
• Prepare standardised notices for users (plain language, what happened, what data, recommended actions) and keep an immutable audit log of all steps.
• Integrate automated breach detection + evidence capture so root-cause, containment, and remediation reports meet DPDP’s accountability requirements.

• Inventory & map IDs: catalog all cookie/third-party IDs used and map them to first-party identifiers or Privacy-Sandbox tokens so you know what to minimize or stop sending.
• Server-side tokenization & translation: move ID resolution and consent checks to a server token service that stores ephemeral Sandbox tokens/hashed IDs and only issues the minimum token required for a purpose.
• Reduce payloads & aggregate on-device: change client flows to send only purpose-scoped, minimal signals (or use on-device aggregation/APIs) so measurement/ads receive no raw PII.
• Retention, consent propagation & testing: enforce short retention for Sandbox tokens, ensure consent flags map to token issuance/revocation, add E2E tests and fallbacks for non-supporting browsers, and log all actions for audit.

• Collect only purpose-critical fields by default (e.g., no optional Aadhaar scans, photos, or analytics unless strictly required).
• Make all extra fields opt-in, tied to explicit consent, and hide them in the UI until the feature actually needs them.
• Implement purpose-based retention rules so unused or stale data auto-expires and is purged.
• Add backend guards that reject unnecessary data writes and log all overrides for audit.

• Add a clear age declaration step where users state if they are under 18, and trigger a stricter flow only for teens
• For teens, collect parent/guardian consent with verified contact methods (OTP/email link) and store it in an immutable audit log.
• Gate high-risk features (data sharing, analytics, ads, KYC) behind purpose-specific consent and disable anything not allowed for minors.
• Provide simple withdrawal and deletion options that parents can control, and auto-expire teen consents when the user turns 18.