From all the different malware attack the botnet is extensive and serious threat which occurs over all the time in today's Cyber attack. Botnet is a group of accord computer which are fortuitously controlled by the hacker to launch various type of attack like DDOS, Frauds like click fraud ,...

This paper describes the design and analysis of a pyramidal horn antenna having linear polarized, high gain, low side lobes and light in weight. This horn will be used in rectangular antenna test range as source to generate a quasi-plane wave in far field test zone. It specifies the...