# Core Product Requirements

This document defines the core product requirements for the platform.

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### REQ-p00001: User Authentication

**Level**: PRD | **Status**: Active

The system SHALL provide secure user authentication to verify user identity before granting access to protected resources.

**Rationale**: Security and compliance require verified user identity.

**Acceptance Criteria**:
- Users can authenticate with email and password
- Failed login attempts are logged
- Account lockout after 5 failed attempts
- Session timeout after 30 minutes of inactivity

*End* *User Authentication* | **Hash**: d18171fc
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### REQ-p00002: Data Privacy

**Level**: PRD | **Status**: Active

The system SHALL protect user data in accordance with GDPR and HIPAA requirements.

**Rationale**: Legal compliance and user trust require data protection.

**Acceptance Criteria**:
- Personal data is encrypted at rest
- Data access is logged
- Users can request data export
- Users can request data deletion

*End* *Data Privacy* | **Hash**: 38a6a60a
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### REQ-p00003: Audit Logging

**Level**: PRD | **Implements**: p00001, p00002 | **Status**: Active

The system SHALL maintain comprehensive audit logs for all security-relevant events.

**Rationale**: Compliance requires complete audit trails for FDA 21 CFR Part 11.

**Acceptance Criteria**:
- All authentication events are logged
- All data access events are logged
- Logs are tamper-evident
- Logs are retained for 7 years

*End* *Audit Logging* | **Hash**: f2c44ef9
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