Title	Statistics Hacking - Exploiting Vulnerabilities in News Websites
Author	Amrinder Arora
Citation	Vol. 7  No. 3  pp. 342-348
Keywords	Statistics Hacking, Click Fraud, Link Spamming, Image Verification, Turing Test, CAPTCHA, Human Verification

Title	A deep learning model for recognition of complex Text-based CAPTCHAs
Author	Rafaqat Hussain Arain, Riaz Ahmed Shaikh, Abdullah Maitl, Kamlesh Kumar, Syed Safdar Ali Shah
Citation	Vol. 18  No. 2  pp. 103-107
Keywords	Bots, CAPTCHAs, CNN, HIPs, Text warping

Title	Generating Arabic Handwritten CAPTCHA for Cyber Security
Author	Suliman A. Alsuhibany
Citation	Vol. 18  No. 3  pp. 41-47
Keywords	Arabic script Handwriting CAPTCHA Cyber security Web security

Title	Preventing Multiple Accessing Attacks via Efficient Integration of Captcha Crypto Hash Functions
Author	Nafisah Kheshaifaty and Adnan Gutub and Adnan Gutub
Citation	Vol. 20  No. 9  pp. 16-28
Keywords	Access control; authentication; captcha; cryptography; encryption; hashing