ISO 27018

Answer: ISO 27018 provides guidance and recommendations to protect personally identifiable information, so if your services involve your customers personal data, or personal data from their customers, then probably this standard is applicable to you. To determine that you should verify your customers requirements and the laws and regulations applicable to your business.

This article will provide you further explanation about ISO 27018:
- ISO 27001 vs. ISO 27018 – Standard for protecting privacy in the cloud https://advisera.com/27001academy/blog/2015/11/16/iso-27001-vs-iso-27018-standard-for-protecting-privacy-in-the-cloud/