One of the key digital literacies our students need in order to stay safe online is an awareness of how to spot scams and people trying to extract their personal details.
One of the main ways scammers attempt to do this is called 'phishing'. (See Wikipedia for a full definition: http://en.wikipedia.org/wiki/Phishing)
Below is a quick screencast recording showing a phishing email with some information about how to check its authenticity.