C5 Field Guideunofficial

PS · Physical Security

PS-07 Surveillance of Operational and Environmental Parameters

2 sub-criteria

Unchanged since C5:2020

Basic criterion

PS-07.01B

The operating parameters of the technical utilities (cf. PS-06) and the environmental parameters of the premises and buildings related to the cloud service provided are monitored and controlled in accordance with the security requirements of the cloud service provider (cf. PS-01).

Supplementary information

These measures typically include but are not limited to:

  1. Environmental monitoring systems (e.g., temperature and humidity sensors);
  2. Fire suppression systems;
  3. Climate control (HVAC) systems; and
  4. Leak detection and alarms.

PS-07.02B

When the permitted control range is exceeded, the responsible departments at the cloud service provider are automatically informed in order to timely initiate the necessary measures for return to the control range.

BSI text from C5:2026 and its changelog: © Federal Office for Information Security 2026, reproduced unchanged under CC BY-ND 4.0. Unofficial site, not affiliated with BSI. Licence and sources