After became aware of fraudulent transactions, the organization immediately disabled the transfer of coins outside of the website.
Trustwave's SpiderLabs says this quick response prevent the attackers from obtaining an additional 20,000 Litecoins from the website.
The vulnerability that leads to security breach remains unknown. The site admin says it might be SQL Injection vulnerability.
The organization has promised "All coins sent to the LLh address will be recredited shortly"