Is ISO 27001 global and used in Europe?

1 - Is ISO 27001 global and used in Europe for example Portugal?

Answer: ISO 27001 is a globally recognized standard, and is used in all Europe. ISO 27001 is accepted by Portuguese standardization body: https://www1.ipq.pt/PT/site/clientes/pages/Norma.aspx?docId=IPQDOC-185-176048

 2 - Is iso27001 mandatory and must be used in Portugal as an example?

Answer: In most countries, the implementation of ISO 27001 is not mandatory. However, some countries have published regulations that require certain industries to implement ISO 27001.

To determine whether ISO 27001 is mandatory or not for your company, you should look for expert legal advice in the country where you operate.

This article will provide you a further explanation about ISO 27001:
- What is ISO 27001 https://advisera.com/27001academy/what-is-iso-27001/
- Where to start from with ISO 27001 https://advisera.com/27001academy/knowledgebase/iso-27001-where-to-start-most-important-materials/

These materials will also help you regarding ISO 27001:
- Book Secure & Simple: A Small-Business Guide to Implementing ISO 27001 On Your Own https://advisera.com/books/secure-and-simple-a-small-business-guide-to-implementing-iso-27001-on-your-own/
- ISO 27001 Foundations Course https://advisera.com/training/iso-27001-foundations-course/