# HG changeset patch
# User Christian Urban <christian dot urban at kcl dot ac dot uk>
# Date 1354049030 0
# Node ID e0908dc30b7c0627e8ad60070abc21c94f977e33
# Parent  ac94033f220a9f0484da8eb3c795afd404b38a6a
added

diff -r ac94033f220a -r e0908dc30b7c slides09.pdf
Binary file slides09.pdf has changed
diff -r ac94033f220a -r e0908dc30b7c slides09.tex
--- a/slides09.tex	Tue Nov 27 14:20:38 2012 +0000
+++ b/slides09.tex	Tue Nov 27 20:43:50 2012 +0000
@@ -498,13 +498,16 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{
 \begin{frame}[t]
-\frametitle{\begin{tabular}{@{}c@{}}Take Home Point\end{tabular}}
+\frametitle{\begin{tabular}{@{}c@{}}Skype Secure Communication\end{tabular}}
 
-According to Ross Anderson: \bigskip
 \begin{itemize}
-\item Privacy in a big hospital is just about doable.\medskip
-\item How do you enforce privacy  in something as big as Google
-or complex as Facebook? No body knows.
+\item Skype used to be known as a secure online communication (encryption cannot be disabled), 
+but \ldots\medskip
+
+\item it is impossible to verify whether crypto algorithms are correctly used, or whether  there are backdoors.\bigskip
+ 
+\item recently someone found out that you can reset the password of somebody else's
+account, only knowing their email address (needed to suspended the password reset feature temporarily)
 \end{itemize}
 
 
@@ -513,6 +516,35 @@
 
 
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\mode<presentation>{
+\begin{frame}[c]
+\frametitle{\begin{tabular}{@{}c@{}}Take Home Point\end{tabular}}
+
+According to Ross Anderson: \bigskip
+\begin{itemize}
+\item Privacy in a big hospital is just about doable.\medskip
+\item How do you enforce privacy  in something as big as Google
+or complex as Facebook? No body knows.\bigskip
+
+Similarly, big databases imposed by government
+\end{itemize}
+
+
+\end{frame}}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\mode<presentation>{
+\begin{frame}[c]
+\frametitle{\begin{tabular}{@{}c@{}}Next Week\end{tabular}}
+
+Homework: Which areas should I focus on?
+
+
+\end{frame}}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+
 \end{document}
 
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