Security is on your own, because software wallets are vulnerable to hacking, so it is true that hardware wallets are the most effective now without hacking by anyone because the concept is offline, but of course the security you want to know is because that all returns to the accuracy of someone in caring for a wallet not using the network or opening a site is not important because it has the potential for hacking, even if using wallet software if it is clever at securing it will avoid the risk but it is better to use a hardware wallet.