Web services designed for human users are being abused by computer programs (bots).
The bots steal thousands of free email accounts in a minute; participate in online polls to …

Human interaction proofs (HIPs) have become common place on the internet due to their
effectiveness in deterring automated abuse of online services intended for humans …

HIPs, or Human Interactive Proofs, are challenges meant to be easily solved by humans,
while remaining too hard to be economically solved by computers. HIPs are increasingly …

In this paper, we propose a new class of Human Interactive Proofs (HIPs) that allow a human
to distinguish one computer from another. Unlike traditional HIPs, where the computer …

Abstract The Automated Turing test (ATT) is almost a standard security technique for
addressing the threat of undesirable or malicious bot programs. In this paper, we motivate …

Web applications rely heavily on client-side computation to examine and validate form
inputs that are supplied by a user (eg," credit card expiration date must be valid"). This is …

The advent of Software-as-a-Service (SaaS) has led to the development of multi-party web
applications (MPWAs). MPWAs rely on core trusted third-party systems (eg, payment …

Handwritten text offers challenges that are rarely encountered in machine-printed text. In
addition, most problems faced in reading machine-printed text (eg, character recognition …

Denial of Service (DoS henceforth) attack is performed solely with the intention to deny the
legitimate users to access services. Since DoS attack is usually performed by means of bots …

Build your defense against web attacks with Kali Linux, including command injection flaws,
crypto implementation layers, and web application security holes Key Features Know how to …