There have been a lot of hacks on Defi coins in the last few months, but I see where the weakness lies in the swap platform. They try to hack in various ways, including resembling core tokens. Some even tried to create fake swap platforms. When we give permission to access the wallet, of course they already have control over our wallet. The most dangerous are the platforms with the import private key system.
It is almost very similar to Forkdelta and Etherdelta in the past where everyone who wants to use it must be willing to put their wallet's private key into the dex exchange so many of the platform users experience strange things in their wallets without them realizing it.