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--- a/hws/hw01.tex	Fri Apr 17 11:49:10 2015 +0100
+++ b/hws/hw01.tex	Wed May 20 01:24:37 2015 +0100
@@ -85,6 +85,17 @@
       amount of time, thousands, if not more, spectators will
       arrive at your football game.
 
+%% CYA security - cover-your-ass
+% It's an attitude I've seen before: "Something must 
+% be done. This is something. Therefore, we must do it." 
+% Never mind if the something makes any sense or not.
+    
+\item And another one: Imagine you are researching security
+      products (e.g.~CCTV, alarms etc) on a 
+      helpful website. They ask you for you address details?
+      Think about whether this can be bad for you.
+
+
 %\item Imagine there was recently a break in where computer criminals
 %  stole a large password database containing 
 

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--- a/hws/hw02.tex	Fri Apr 17 11:49:10 2015 +0100
+++ b/hws/hw02.tex	Wed May 20 01:24:37 2015 +0100
@@ -8,6 +8,24 @@
 \section*{Homework 2}
 
 \begin{enumerate}
+\item (Optional) Often problems in e-voting are due to
+      difficulties with authentication. Keep this in mind for
+      what could go wrong with the following discount offered
+      by an insurance company: John Hancock is partnering with
+      Vitality, which you might know as one of those
+      work-related wellness programmes. The programme is
+      available in 30 US states. If you sign up for this, John
+      Hancock will send you a free Fitbit monitor. That's a
+      tiny, pill-shaped device that some people wear in
+      sleek-looking bracelets to track how far they walk/run,
+      the calories burned, and the quality of sleep. That
+      means the insurance company would know exactly when a
+      customer does a sit-up, how far she runs -- or when he
+      or she has skipped the gym for a few days. For `good'
+      customers there will be a discount in their premiums. 
+      Why is this a problem?
+
+
 \item Voice voting is the method of casting a vote in the `open air' for everyone
 present to hear. Which of the following security requirements do paper ballots 
 satisfy \textbf{better} than voice voting? Check all that apply and give a brief explanation 

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