I first published this overview back in 2004. I'm prompted to update and repost it here because the original website is no longer live (it was the website for Fuse PR back in the day), because I was talking about it with some Meanwhile colleagues this week, and because it's interesting. No seriously, it is.
When is a web page secure?
Content on a web page is secured when the URL starts "https://" rather than "http://". Saying that, this doesn't mean that all content on a page marked as such is secured, but if you're on a website of a trusted source, like Amazon, you may be happy to assume that the parts that need to be are, by design.
If you'd like to find out what other information your browser gives you about the level of security for a particular web page, check out the relevant link here: Read more