1. ‘Radware's 2015/2016 Global Application and Network Security Report Predicts 2016 Will Bring The Battle of The Bots’;Radware,2016
2. ‘FBI Alert: Latest CryptoWall Ransomware Damage More Than $18 Million’;Sjouwerman;KnowBe4 blog,2015
3. ‘The Secret Behind CryptoWall's Success’;Imperva,2016
4. ‘CryptoLocker victims pay out’;Newton;University of Kent,2014