I want to do MS in cyber security or Data Science . But with a scholarship from a top universities. Which would be the best universities and scholarship I can apply for?

Here are some universities .I hope this will work for you: 

1. George Washington University
You’ll grasp the latest abilities that you need to advance and put in force threat governance frameworks that lengthen resiliency for individuals, departments, and organizations.

2. Georgia Institute of Technology
The School of Computer Science (CS) offers the MS Cybersecurity diploma with a technological information specialization.
The School of Electrical and Computer Engineering (ECE) presents the MS Cybersecurity diploma with a cyber-physical and energy constructions specialization.
The School of Public Policy (PUBP) presents the MS cybersecurity diploma with insurance specialization.

3. Carnegie Mellon University 
Their Cyber Security Certificate and Bachelor’s diploma functions assist you to put together for this specialized region of technology, armed with archives security data and investigative skills. 

Other universities are George Mason University, the University of Maryland, and the University of California.

In which country are you looking for?