Yes it can be hacked because hackers always find new ways to hack. We are required to 2FA to avoid wallet being hacked. I will prefer to use hardware wallets like trezor to have a better experiences on using wallets. Don't use web wallets.
Hackers is always there, because they fined ways to steal money, that is there work. Therefore we have to careful and make our fund safe in all bad people, specially in hackers.