Monzo have a very informative article about it, explains what this looks like from the side of the bank. They are literally not allowed to tell you, and also th

Monzo have a very informative article about it, explains what this looks like from the side of the bank. They are literally not allowed to tell you, and also the other interesting thing is that they see how skilled fraudsters are at social engineering - the kind of posts that sometime surface here on HN "my bank/google/paypal blocked my account and they won't help me!" - it's not that every one of them is a scam, but fraudsters are incredibly good at writing those across social media and putting pressure on companies to unblock them. https://monzo.com/blog/2019/04/04/why-we-block-freeze-close-monzo-accounts https://monzo.com/blog/2019/04/04/why-we-block-freeze-close-...