Update NetSec.md

Author: bakisama

content/iith/NetSec/NetSec.md

@@ -1,11 +1,28 @@
 ---
-title: "CS6903: Network Security"
+title: CS6903
 ---
 # Network Security
 ### Course Instructors
 - Saurabh Kumar
 - Praveen Tammanna
-### Motivation
-- 
+
+### Prerequisites
+- Computer Networks
+- Familiarty with Linux
+- Programming Skills (C/C++)
+- Socket Programming and Shell Scripting
+### Evaluation (Tentative)  
+- Class Participation: 5%  
+- Quizzes: 10% (Surprise quizzes)  
+	- 10 to 15 minute quiz. Will be from the slides and will start and 9:05 if class starts at 9
+- Mid Sem Exam: 10%  
+- End Sem Exam: 15%  
+- Assignments/Projects: 60%
+	- 2 projects(20% and 40% most probably)
+	- Assignment 1 : CTF/VAPT/Programming Assignment
+	- Assignment 2 (Could be project) : for example Socket programming chat app
+		- Phase 1: Rudimentary chat app with no authentication
+		- Phase 2: Add some cryptographic techniques (and attacks other team's application)
+	-