Unfortunately your responsible for what's done on your account. Its your responsibility to keep your account safe and prevent things like this from happening.
Edit: I suggest contacting Meat because he sent the money via PayPal, so it should be fairly easy to get back and this issue can be resolved.
I know its my responsibility ,, but sometime its unexpected .. and on top of that its PAYPAL .. easily reversible option .. i tried to contact "MEAT" but he/she not replied yet .. may be he/she already reversed his money !!
You have the same writing style as the "hacker"
Purchasing 4btc from trynmpo at preev + 6% via pp...he will release btc in 12-24 hours...I will confirm once received
transaction in process with OP with mutual understandings !!
The two exclamation points separated at the end of the sentence with broken English are a clear indicator you are the same person.