1470
At that time , Valve was not aware whether the intruders actually accessed this information or discovered the encryption method , but nevertheless warned users to be alert for fraudulent activity .
 organization: Valve
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Valve