Cryptowall ransomware revenue may flow to one group

Just one cybercriminal group may be collecting the revenue from Cryptowall 3.0, a malicious program that infects computers, encrypts files and demands a ransom, according to a new study released on Thursday.The finding comes from the Cyber Threat Alliance (CTA), an industry group formed last year to study emerging threats, with members including Intel Security, Palo Alto Networks, Fortinet and Symantec. Cryptowall is among several families of "ransomware" that have posed a growing dang