There are actually three major players in the transaction aggregation space: Intuit, Yodlee, and Plaid. We use Plaid, but it works the same as Intuit. In fact, Plaid has a partnership with Intuit to backfill support for bank accounts.<p>We never store any credentials on our system, and our access is read only. I can go on for days about why I think our system is more secure than, say, Chase[0], but if you trust Mint&#x27;s practices it&#x27;s probably sufficient to say that we use an almost identical system.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;2014_JPMorgan_Chase_data_breach" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;2014_JPMorgan_Chase_data_breac...</a>