@Henning *********
She's probably referring to the myriad of online scammers located in dodgy casino towns located in border towns such as Tachilek, areas north of Lashio and Mongla.
A little bit ridiculous to assume your supervisor would be trying to scam you or sell you into an online extortion ring though.
Anyway, great to hear you have an internship lined up. Not a common story among foreigners in Thailand, though it is becoming a little more common than in years gone by.