Transaction unknown from my venom account

I have problem with okx task so i tried many times to connect in the app okx but my profil was under review but today is ok i success.
But this afternoon before okx confirmation i found in Twitter venom help desk so i sent them message they sent me link i fallowed the steps and i gave phrases seed ,i don’t gave my password.
After fiew minutes someone did transfer 762 venom from my venom account
They can do that or is venom foundation ?
Can you help please .