reasons for random notifications

[360psp]

i got some random notifications from people i dont even know, first on yahoo, and then twice on facebook, when i go to check it out theres nothing there. What is going on? is someone hacking me or something >=

[g0sbv]

Have you installed any type of old push fix or push certificates ? is your phone hacktivated ?

[360psp]

nope, but it is unlocked with blacksn0w