Trust wallet is safe compared to other multi crypto supported wallet and you can use any wallet that is completely open source and non custodial for storage of cryptocurrencies whether its long term or short term. The chances of wallet get compromised is to lose the security of seed phrase and it really depends on every individual who created that wallet.

And if you know your crypto portfolio value is too big to trust the all the wallets available for free then surely getting a right hardware wallet will be a better choice.