Are we not compromising security against the speed ?

Speed is most important for the growth of Broadband and Internet as the content is getting more heavier, but against that we also compromise on the security by opening larger pipes of bandwidth to the corporate and Institutional servers. Recent example is of CAT Exams of IIM (Common Entrance Test) of Indian Institute of Management. They are known as the best Institutes with the highest intellectual property and still a mass failure. Prometric and NIIT the best IT solution provider did failed too. Now the emergence is of requirement of Secured and Reliable Private Networks either on Internet or along with it. Lets give a thought to it.