This title is all wacky. Anything in the cloud is obviously not "non-custodial" you're trusting whoever runs that cloud, who would be considered the custody of your funds. So the answer to a cloud getting hacked isn't another cloud, it's not trusting the cloud and using an actual non-custodial wallet.

Don't buy shitcoins, don't get a wallet that supports shitcoins and not your keys, not your coins.