Yahoo ads network helps hackers spread CryptoWall ransomware

Security researchers at Blue Coat say that they have seen the CryptoWall ransomware being spread via – a major online advertising network run by, yes you guessed it, Yahoo.

Cryptowall ransomware: What you need to know

Cryptowall takes the data on your Windows computer hostage, and demands that a financial payment is made in order to regain access to the lost files.

Read more about the threat in my article on the Intralinks blog.