Fidelity customers' financial info feared stolen in suspected ransomware attack
theregister.com
theregister.com
Check iOS-settings-messaging-iMessage Apps. What is this?
And don’t save your savings account login credentials wherever it can sync onto your phone (such as Keychain) and don’t use a phone app.
Transfers should be infrequent enough that you are not inconvenienced by having to log into the website.
Listening to my banker describe the [essentially lack of] features securing modern US checking, I decided then and there to remove most of the money from my checking account — all future checks will be cashier's cheque (which apparently offers much more security, including "pay to" verification before funds x-fer).
I've also stopped using credit cards, and instead use a random CC # for each transaction service (the cost is minimal for the protection).