Monday we mentioned Firesheep, a plug-in that trivializes ID spoofing on social networks. Since then various security researches have come out to suggest How to Protect Yourself against Firesheep Attacks (submitted by Batblue). Of course the advice is pretty obvious: Don't use free Wi-Fi, use SSL, or a VPN. It seems to me that the big sites should start by redirecting all non-SSL traffic to https automatically. If you want to be insecure, you'd have to explicitly state that you can't encrypt for some reason.
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