Hackers use 'cartons' with 'sticks', may be foiled by 'watermelons'

Translation from Russian hack-slang: Credit card, PayPal and secure server

Gaining an invite to the best of the nearly 60 websites powering the cybercrime underground is only half the fight for researchers; they also need to know that credit cards are called 'cartons', PayPal a 'stick', and bulletproof servers 'watermelons'."