COS-03.05B

At specified intervals, the business justification for using all services, protocols, and ports is reviewed. The review also includes the justifications for compensatory measures for the use of protocols that are considered insecure.

Supplementary information

The review of the security requirements depends on the measures implemented to design the networks, e.g. monitoring and reviewing firewall rules or log files for abnormalities as well as visual inspections of physical network components for changes.

1. Przegląd

1.1 Odwołania

1.2 Zidentyfikowane wymagania

1.3 Powiązane regulacje

2. Zidentyfikowane wymagania

3. Powiązane regulacje

Powiązane zgłoszenia

• BSI -

  EN: Publications of the Bundesamt für Sicherheit in der Informationstechnik (BSI, Federal Office for Information Security), https://www.bsi.bund.de/. This is not an official BSI website. Only the versions published by the BSI are authoritative.

  • Cloud Computing Compliance Criteria Catalogue C5:2026: © BSI, licensed under CC BY-ND 4.0; content unchanged, converted into the GRCA format.
  • Criteria Catalogue C3A – Criteria enabling Cloud Computing Autonomy: © BSI, licensed under CC BY-ND 4.0; content unchanged, converted into the GRCA format.
  • Cloud Computing Compliance Criteria Catalogue C5:2020: © BSI, licensed under CC BY 4.0 according to the BSI C5 FAQ; converted into the GRCA format.

  DE: Veröffentlichungen des Bundesamts für Sicherheit in der Informationstechnik (BSI), https://www.bsi.bund.de/. Kein amtlicher Auftritt des BSI. Maßgeblich sind allein die vom BSI veröffentlichten Fassungen.

  • Kriterienkatalog Cloud Computing C5:2026, englische Fassung: © BSI, lizenziert unter CC BY-ND 4.0; Inhalt unverändert, in das GRCA-Format umgewandelt.
  • Kriterienkatalog C3A – Criteria enabling Cloud Computing Autonomy: © BSI, lizenziert unter CC BY-ND 4.0; Inhalt unverändert, in das GRCA-Format umgewandelt.
  • Kriterienkatalog Cloud Computing C5:2020, englische Fassung: © BSI, lizenziert unter CC BY 4.0 laut C5-FAQ des BSI; in das GRCA-Format umgewandelt.