OAuth2 Docs

Advantages	Disadvantages
Fast authentication without user interaction	No user access, therefore less control
Ideal for automated processes	Insecure if token is compromised
Easy to implement for M2M communication	No possibility for individual user authentication
No user interaction required	No user consent or rights

Advantages	Disadvantages
Allows user to maintain control over access	Requires user interaction, which can slow down the process
User consent increases security and trust	May not be suitable for automated processes
Flexibility if user access is required later	More complex to implement than Client Credentials Flow
Can be adapted for M2M scenarios	User interaction may be unnecessary in some cases