SSL (Secure Sockets Layer) is an encryption technology that creates a secure connection between your web browser and a web server. It stops eavesdropping and in essence is what banks and ecommerce sites use (or should use) when handling your personal information.
How do I know if a site has an SSL certificate?
It is really easy to see if a connection with a site is secure by looking at the website’s URL. A standard webpage, (such as this one) which is unencrypted, will have a URL that starts http:// while an encrypted URL begins https:// (the ‘s’ standing for secure). A lot of web browsers will also make this subtle change a little more obvious by adding a padlock to the web browser.
You may have seen some sites that have an address bar that is filled green.
This doesn’t actually mean that the connection is any more secure than a standard SSL connection but denotes that the company has been ‘vetted’ extensively to ensure that they are who they say they are.
What sites need SSL?
It is possible for any piece of data transmitted over the Internet to be seen by others unless it is secured by an SSL certificate. Obviously you don’t what your bank details transferred over an unsecured connection so all banks and ecommerce sites will have an SSL certificate.
Note: Some companies use PayPal to process payments in which case they don’t need an SSL certificate.
Any site that exchanges personal information, especially your password, should really have an SSL certificate.
Why are some SSL certificates so expensive?
This is a common question to ask. People seem to automatically think that you get what you pay for. A $600 certificate must be better than a $10 certificate, right? No, they all offer the same level of protection. The key thing is trust. People trust some names, for example VeriSign, which is used to secure the majority of banks. Having said that, I’m guessing that you probably haven’t heard of VeriSign. Hopefully the following should ring a bell?
You have probably seen these images (seals) on your travels around the Internet.
Does your site need an SSL certificate?
If you own a website, this is a question that you are likely to be asking yourself. Rather than making this article any longer visit "Do I need an SSL certificate?"
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