Despite the fact that all crypto wallets are made to be secure, the security level would differ from wallet to wallet. It is usually recommended to utilize a two-factor authenticator to have some added defensive layers. You may also encrypto the wallet if you have the know-how and if not, then you may opt to use officially provided wallets with good feedback from current users. These are some precautions that can be utilized by both beginners and experienced traders.
Top Crypto wallets by KuCoin Exhange: https://kucoinblog.com/top-crypto-wallets-2019-part-ii-sk-st