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Revealed: the best and worst banks for online security

The latest banking investigation from Which? reveals the best and worst banks for online security, exposing those lagging behind the rest of the industry. Our tests were performed by independent...

The Monzo effect: how traditional banks are challenging the challengers

With Natwest trialing a personal finance app called Mimo, and other big banks upgrading their apps, is the high street taking on its challengers?

Viola Black: Is it really a rival to Monzo?

Viola Black has launched with a marketing campaign that challenges Monzo. Which? asks if the new app is really a contender.

Barclays rolls out Open Banking on mobile app: is it safe to use?

Barclays' customers can now view current accounts from up to seven other banks on one app with Open Banking. But is it risky to share your data?

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