"No one would want to hack me!" (Famous last words.)
First I explain what the real risks and threats are, then we look at how to balance convenience with security in a sensible way.
What are the basic things you should know to protect yourself and your data? Is it safe to browse the web on an open wifi channel? How secure is your data in "the cloud"? How secure are your passwords? What is this HTTPS thing, and why should you care? How can you protect your privacy on social media?