Hierarchical Custom Settings can be used to bypass all triggers, validation rules, process builders and workflow rules.
Custom Settings to Bypass:
Bypass in Validation Rules:
Bypass in Workflow Rules:
Bypass in Trigger:
Bypass in Process Builder:
Custom Settings record to Bypass:
After setting the data in custom settings for user Test as above, it will bypass Validation Rules, Workflow Rules, Triggers, and Process Builders.