2371
The Creditcards . com case is one of several recent attempts to extort money from Web sites by threatening to reveal their most sensitive information .
 Creditcards . com
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Creditcards . com