Online banking fraud has doubled since 2011, claim Cambridge University security researchers Governments need to do more to combat online fraud, researchers argue May 31, 2019 https://www.computing.co.uk/ctg/new...ven-year-period-from-2011-to-2017-study-finds Research: The Changing Cost of Cybercrime (PDF - 422 KB): https://weis2019.econinfosec.org/wp-content/uploads/sites/6/2019/05/WEIS_2019_paper_25.pdf
Five examples of user-centered bank fraud https://www.helpnetsecurity.com/2019/08/02/user-centered-bank-fraud/
But seriously, it's quite easy to secure online banking. Hardware tokens are the key. https://www.onespan.com/products/hardware-authentication