As a safety of your bitcoin I recommend following steps:-
Always use good antivirus and malware scanner on your laptop/pc.
Use hardware wallet like Ledger/Trezor to store your bitcoin.
Do not ever enter your passphrase/private key in nay third party wallet or web sites.
Take care of phishing mails, do not click any link receive in suspicious mail.
It is also good habit to encrypt your wallet with strong paraphrase if you use software wallet. You can use offline virtual machine to store wallet.