Title: "A Survey of the Underground Economy: Data Breaches, Rippers, and Cybercrime Markets" (Note: Similar specific studies are often published by researchers from institutions like University College London, Delft University, or presented at conferences like USENIX Security or IEEE S&P.)
: Avoid mass-inviting unknown individuals. If those invited break site rules or are flagged as malicious, your account may be penalized or banned alongside theirs. Scam Warning ripperstore invitation new