A lot of things could result into wallet being hacked. for a wallet hacked, there's little or nothing you can do. It's usually better to prevent a hack than to find a way to get it back. for a new wallet, ensure you use a very strong password and if possible use a 2 factor authenticator.
never keep your private keys online or share it. be conscious of downloading suspicious content. avoid doing fake giveaways and don't give your details out. I once had an experience with this and since then, I've been careful about my wallet details. Heard coinomi wallet is one of the strongest out there as it has its own keypad.
clear and certain because of mistakes and negligence that sometimes are not felt at all, so there is a question of a wallet that we really don't want to happen.
with developments that are so advanced every time hackers are always targeting with renewable methods that we did not expect before.
through submissions to email addresses hacking most often occurs, due to understanding and without realizing that we have been fooled by people who send spam. what is needed is true according to colleagues say that if we can save the private key is not on devices connected to the internet network.
in fact now the wallet has many renewable innovations so that we are not affected by theft. all the time is always updated with the aim that all users do feel protected. but it must also be remembered that thieves always look for weak points from people so they can be stolen.