Understanding this model is essential for anyone who wants to be involved in the field of computer networking. If you have forgotten the OSI model or just want to get a crash course in it, this cheat sheet by Ccna-security.net should help
Infographic: How To Set Up a VPN (and Why You Should)No matter how secure you believe your internet connection is, hackers are becoming more and more sophisticated in the ways they access people's personal information. Only through encryption, hiding your traffic and obfuscating your IP address can you stop those trying to sneak on to your network. That's why many users are using VPNs to protect their privacy.
Computer Hardware: Building a Computer. Plans and resources for a project to build understanding of computer specifications by learning to build your own computer system: looks at what's inside the case, peripheral devices and operating systems. Aimed at KS3 but could adapt for KS2. (from TES).
A new infographic dives deeply into Facebook and Twitter to expose how an individual’s accounts on the social networks can be hacked - and secured. The infographic designed by Dr Yaser Alosefer and published on Visual.ly looks at connections, passwords, email, and apps, how each of those elements can be hacked, and how each of those elements can be made more secure.