For complete security, I advise you to get a second purse, the address of which you have not sent anywhere. With the main transfer of all funds to the second, it is better to overpay for gas than to lose everything. Even if you have such an opportunity: go to the wallet from a separate computer on which you do not shake anything, do not sit on different sites and do not watch a movie and the like where there is no constant access to the Internet.