Subject: ¿What actions should we take to ...
... protect ourselves from Elon Musk's theft of our financial data?

Here is an article from Forbes yesterday laying out what is happened so far.
https://www.forbes.com/sites/t...

I think step one is go the all the financial reporting services (Experian, Trans Union, and Equifax) and put a freeze on your accounts.

What are steps 2, 3, 4, 5, ....?