Wallet hacking is possible if we are not alert and click any phishing link, by which our data goes to the hacker or sometimes we download some unknown software and a keylogger added to our system and all our clicked data goes through that keylogger. Hardware wallets are fully safe from all these things.
Yes, it is possible, and we need to be extra vigilant when we save our passwords and move our tokens around in exchanges and wallets. Hardware wallet doesn't help when you are not careful and share your password.