Hakin 9 a famous hard core IT security magazine offers free e book on practical tips and tricks in memory encryption flaw attacks in instant messenger clients.

This e book covers articles on basics like bypass security mechanism and attacks like Keylogger 2.0, Defeating AntiVirus Software, Hacking IM Encryption Flaws, HTTP Tunnel.

And also covers defense articles like how ActiveX instantiation could be hidden by malicious guys using some JavaScript tricks.

Download (Direct Link) free article e book from Hakin 9, you can find lot of free security magazine articles in Hakin 9 PDF articles page.

Note : E book may be downloaded in unknown file format, after downloading the file just rename with .pdf extension.