diff -r aebcaa545f81 -r 514485146641 hws/hw02.tex --- a/hws/hw02.tex Thu Jul 14 13:07:23 2016 +0100 +++ b/hws/hw02.tex Tue Jul 19 12:08:49 2016 +0100 @@ -8,6 +8,25 @@ \HEADER \begin{enumerate} +\item Another question for thinking like an attacker: Imagine + you have at home a broadband contract with TalkTalk. You + do not like their service and want to switch to Virgin, + say. The procedure between the Internet providers is + that you contact Virgin and set up a new contract and + they will automatically inform TalkTalk to terminate the + old contract. TalkTalk will then send you a letter to + confirm that you want to terminate. If they do not hear + from you, they will proceed with terminating the + contract and will request any outstanding cancellation + fees. Virgin on the other hand sends you a new router + and paperwork about the new contract. Obviously this way + of doing things is meant to make switching as convenient + as possible. Still can you imagine situations in which + this way of switching providers can cause you a lot of + headaches? For this consider that TalkTalk needs + approximately 14 days to reconnect you and might ask for + reconnection fees. + \item 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