helo ....i want to do phd in computer science under the topic of computer security..can u send details that how vast the said topic is?

Hi gurtaj! The topic Computer Security is no doubt a vast yet interesting topic. It will include sub-topics like; Security issues in online purchasing forums Security programming language Computer security testing and experimentation Assurance in applications development Security breach detection

Gurtaj first of all please finalize your guide otherwise you can not complete your Ph.D. because all of your problem related to your Ph.D. solved by your guide posting quarry in this manner not solve the problem.