Recently I've noticed fake ads in search engines targeting PancakeSwap users.
I believe once you click their link, it presents you with identical website, where you give them permission to interact with your assets.
If it happens with PancakeSwap, it might happen with other sites as well, so please take a good look what do you click.
Here is official PancakeSwap tweet warning about it:
https://twitter.com/PancakeSwap/status/1451035208870858754
- PancakeSwap