So many people are making mistake that they don't even know the cause of what is happening to them and how they are being attacked, having a hardware wallet is not the end of the security challenge
Securing your bitcoin requires many things, from Bitcoin wallets, wallet backups, to your devices, and how you secure your initial wallet, wallet backups and the device. It's not a single step for securing your bitcoin, but in fact there are many steps, step by step, with relation to each other, and together if you do these steps well, you are able to secure your bitcoin and keep it safe.
you must ensure that you are being mindful of the device you are using and what you are doing on it, we are expected to avoid unsolicited links and downloads on our device because we could be hacked through such, also, ledger wallet does not maintain high level of privacy, it's not bad if we can consider any other brands like Trezor.
Hardware wallet is only one type of Bitcoin wallets and Bitcoin users can secure their bitcoins with software wallets (hot wallets), but if they practice bad they still can lose their coins with hardware wallets.
Any wallets they choose to use, they must know about that wallet, read reviews, and prioritize to use open source and non custodial wallets with good review, and reputation history.
Open Source Hardware Wallets[GUIDE] How to buy a Hardware Wallet the right wayhttps://walletscrutiny.com/