DPWAT-ISMS-POL-007 v1.0

Supplier Management Policy

Document ID: DPWAT-ISMS-POL-007
Version: 1.0
Owner: ISMS Manager / CISO (RMSI) — Timo Andreas Bejan
Approved by: Administrator (ADM) — Anna Boros
Effective date: 2025-10-15
Next review: 2027-02-01 (or on major change)

1. Policy

DP WAT manages information security risks related to suppliers and third parties that provide services, handle DP WAT information, or support DP WAT operations.

2. Supplier categories (risk-based)

3. Requirements by category

Critical suppliers:

Low-impact suppliers:

4. Supplier change notification

Critical and important suppliers must notify DP WAT of significant changes that could affect security:

For SaaS providers, DP WAT monitors service status pages and security advisories. For contracted services, notification requirements are included in agreements where applicable.

5. Supplier register

All suppliers used for in-scope activities must be recorded in supplier-register.