The default scrubbers are as follows:
DEFAULT_SCRUBBED_FIELDS = ( 'password',
Note: If you have Data Scrubbers enabled (even without the default scrubbers enabled) we will still attempt to scrub sensitive data such as values that look like passwords, credit cards, or API keys. You can add values to your Safe Fields if you feel the scrubbers are too aggressive. However, you must have Data Scrubbers enabled in order to use Safe Fields/Sensitive Fields.