Mondo/monzo app security - protecting from data breach

Hi there, there was recently a lot of news reports about various entities being hacked (incl. banks). In my opinion hack or sort of data breach cannot be completely avoided but i was wondering if you guys are looking to implement any more sophisticated ways of securing your users data eg. End to end encryption for data at rest, your chat within app can be end to end encrypted (like whatsapp etc.)

Is that something you are actively looking into?