diff --git a/courses.php b/courses.php
index f59fae6..75bd299 100644
--- a/courses.php
+++ b/courses.php
@@ -24,12 +24,22 @@ include "includes/navbar.html";
 <section class="teaching">
 <article>
   <header>
-    <h1>genap 2015/2016</h1>
+    <h1>Gasal 2016/2017</h1>
   </header>
   <ol>
-    <li><a href="manpro-ti/index.php">Project Management</a></li>
+    <li>Business Communication</li>
     <li><a href="kakom-ti/index.php">Computer Security</a></li>
-    <li><a href="os-ti/index.php">Operating System</a></li>
+    <li><a href="kripto-ti/index.php">Cryptography</a></li>
+  </ol>
+</article>
+<article>
+  <header>
+    <h1>Genap 2015/2016</h1>
+  </header>
+  <ol>
+    <li>Project Management</li>
+    <li>Computer Security</li>
+    <li>Operating System</li>
   </ol>
 </article>
 <article>
diff --git a/includes/courses.php b/includes/courses.php
index 13a62d0..6197b6c 100644
--- a/includes/courses.php
+++ b/includes/courses.php
@@ -4,9 +4,9 @@
     <li>|</li>
     <li><a href="../kakom-ti/">CompSec</a></li>
     <li>|</li>
-    <li><a href="../manpro-ti/">Proj Mngmt</a></li>
+    <li><a href="../kripto-ti/">Crypto</a></li>
     <li>|</li>
-    <li><a href="../os-ti/">OS</a></li>
+    <li><a href="../biskom-ti/">BussCom</a></li>
   </ul>
 </nav>
 
diff --git a/index.php b/index.php
index e37857e..38a3e0e 100644
--- a/index.php
+++ b/index.php
@@ -50,11 +50,12 @@ include "includes/quotes.php";
   <article>
     <header>
       <h3>My classes next semester</h3>
-      <span><time datetime="2016-01-07">July 27, 2015</time></span>
+      <span><time datetime="2016-06-17">June 19, 2016</time></span>
     </header>
-    <p>I will be teaching Computer Security, Operating System, and Project Management.</p>
+    <p>I will be teaching Computer Security, Cryptography, and Business Communication.</p>
   </article>
-  <header>
+  <article>
+    <header>
       <h3>HTML5 and CSS 3 Compliance</h3>
       <span><time datetime="2012-06-14">June 14, 2012</time></span>
     </header>
diff --git a/kakom-ti/index.php b/kakom-ti/index.php
index 98c6c2c..e1ecff7 100644
--- a/kakom-ti/index.php
+++ b/kakom-ti/index.php
@@ -24,21 +24,21 @@ include "../includes/courses.php";
     <h3>Jadwal</h3>
   </header>
   <aside>
-    <p>Grup A<br/>Hari Senin<br/>Jam 11.30<br/>Ruang </p>
+    <p>Grup <br/>Hari <br/>Jam <br/>Ruang </p>
   </aside>
 </section>
 <section class="classinfo">
-  <section class="notice">
+  <section class="description">
     <header>
-      <h1>PEMBERITAHUAN</h1>
+      <h1>PENGAJAR</h1>
     </header>
-    <p>Materi perkuliahan ini mengacu pada matakuliah <a href="https://crypto.stanford.edu/cs155/syllabus.html"><strong>Computer and Network Security (Stanford)</strong> </a>.</p>
+    <p>Ignatia Dhian E.K.R, S.Kom, M.Eng<br/>Willy Sudiarto Raharjo, S.Kom., M.Cs</a></p>
   </section>
   <section class="description">
     <header>
       <h1>PENGANTAR</h1>
     </header>
-    <p>Matakuliah ini memperkenalkan konsep pengamanan data dan informasi dengan berfokus pada empat bagian utama, yaitu pembatasan akses, keamanan web, keamanan jaringan, dan keamanan pada platform mobile.</p>
+    <p>Matakuliah ini memperkenalkan konsep pengamanan data dan informasi dengan berfokus pada low-level security, keamanan web, kriptografi, dan keamanan jaringan kabel/nirkabel.</p>
   </section>
 </section>
 
@@ -48,38 +48,23 @@ include "../includes/courses.php";
   </header>
   <ol>
     <li>Syllabus</li>
-    <li>Course Overview</li>
-    <li>Computer Security Intro</li>
-    <li>Basics
-     <ul>
-      <li>Control hijacking attacks: exploits and defenses</li>
-      <li>Principle of least privilege, access control, and operating systems security</li>
-     </ul>
-    </li>
-    <li>Web Security
-     <ul>
-      <li>Basic web security model</li>
-      <li>Web application security</li>
-      <li>Session management and user authentication</li>
-      <li>HTTPS: goals and pitfalls</li>
-      <li>HTTPS: SSL/TLS Attacks</li>
-     </ul>
-    </li>
-    <li>Overview of Cryptography</li>
-    <li>Network Security
-     <ul>
-      <li>Malware: Computer viruses, Spyware, and key-loggers </li>
-     </ul>
-    </li>
-    <li>Security of mobile platforms
-     <ul>
-      <li>Mobile platform security models: Android and iOS</li>
-     </ul>
-    </li>
+    <li>Introduction to Computer Security</li>
+    <li>Low Level Security</li>
+    <li>Attacks on Low Level Security</li>
+    <li>Introduction to Web Security</li>
+    <li>Attacks on the Web Platform</li>
+    <li>Web 2.0 Attacks</li>
+    <li>Malware</li>
+    <li>Introduction to Cryptography</li>
+    <li>Modern Cryptography</li>
+    <li>Cryptography Applications</li>
+    <li>Networking Basics</li>
+    <li>Network Attacks</li>
+    <li>Network Security</li>
+    <li>Wireless Security</li>
   </ol>
 </section>
 <section class="references">
-
 </section>
 <?php
 include "../includes/footer.php";