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As someone who uses the bank being referred to in the OP, this makes me feel a little better... somehow. I use a unique password and 2FA and monitor my accounts but I am still considering switching banks to one that puts more emphasis on security.

You mentioned that only a few banks have the resources to tear down their systems and create a new secure one. What banks are these?

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I cannot say which ones specifically, but if you OrderByDescending market cap and pick the top 5, you'd probably be looking at the only ones. Developing an in-house core banking system is a massive undertaking that is even larger than starting an entirely new bank from scratch (which almost never happens now). We are talking billions of dollars locked up just to start the project. Not even god himself could tell you if/when that project would complete. Bank cores are some of the most complex monstrosities on earth.

You can have maybe 3 banks types of accounts:

1. This has electronic transactions freely going in and out.

2. This initiates inbound electronic transactions.

3. This only works with you standing in the bank.

Or some variant thereof.

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