Web Security: An Overview and Current Trend

CAPTCHA Based Web Security: An Overview

Completely Automatic Public Turing test to tell Computers and Humans Apart (CAPTCHA) is a HIP (Human interactive Proof) system. CAPTCHAs are used to improve the security of Internet based applications in order to ensure that a web based application which is intended to be used by a human being is not maliciously used by Artificially Intelligent programs called bots. As the current CAPTCHA metho...

Toxicity of Nanoparticles and an Overview of Current Experimental Models

Nanotechnology is a rapidly growing field having potential applications in many areas. Nanoparticles (NPs) have been studied for cell toxicity, immunotoxicity, and genotoxicity. Tetrazolium-based assays such as MTT, MTS, and WST-1 are used to determine cell viability. Cell inflammatory response induced by NPs is checked by measuring inflammatory biomarkers, such as IL-8, IL-6, and tumor necrosi...

An Overview of Current Information Systems Security Challenges and Innovations

Information Systems Security is one of the most pressing challenges confronting all kinds of present-day organizations. Although many companies have discovered how critical information is to the success of their business or operations, very few have managed to be effective in maintaining their information secure, avoiding unauthorized access, preventing intrusions, stopping secret information d...

An overview of Emerging Trend

Wireless Security: An Overview

The physical transport methods used in wireless communication differ from wired communication. These differences affect how a secure channel can be established in a wireless environment. The purpose of this tutorial is to provide an overview of how a secure channel is set up in a wireless environment that uses the 802.11 or WAP standards.