--- a/handouts/ho01.tex	Thu Apr 07 13:02:36 2016 +0100
+++ b/handouts/ho01.tex	Fri May 06 13:15:08 2016 +0100
@@ -219,6 +219,18 @@
 \url{https://www.youtube.com/watch?v=ET0MFkRorbo}
 \end{center}
 
+\noindent An article about reverse-engineering a PIN-number skimmer
+is at 
+
+\begin{center}\small
+\url{https://trustfoundry.net/reverse-engineering-a-discovered-atm-skimmer/}
+\end{center}
+
+\noindent
+including a scary video of how a PIN-pad overlay is
+installed by some crooks.
+
+
 \subsection*{Of Cookies and Salts}
 
 Let us look at another example which will help with understanding how