Information security has always been a complex subject, and it evolves quickly with the creative ideas and implementations of attackers and security researchers.
Security is one of the most important aspects of any architecture. Good security provides confidentiality, integrity, and availability assurances against deliberate attacks and abuse of your valuable data and systems. Losing these assurances can harm your business operations and revenue, and your organization's reputation.
https://learn.microsoft.com/en-us/azure/architecture/guide/security/security-start-here