The TLS secure digital communications protocol includes a sub-protocol called TLS Handshake. This enables the server and client to authenticate each other in turn then select an encryption algorithm and cryptographic key before the application sends the data. Here’s how it works.
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Insecure connection: the 5 digital certificate warning messages
Sometimes a website can’t be accessed and the browser shows a “not secure” warning. In fact, this warning is displayed when the website’s certificate isn’t recognized. This could be because it has expired or doesn’t exist, is self-signed, from an unrecognized authority or […]
Lire PlusWhich TLS certificate should I choose to secure my website?
There are three main types of TLS (formerly SSL) certificate for protecting a website: domain validation (DV), organization validation (OV) and extended validation (EV). There is often much confusion about the different TLS certificates, not to mention users who struggle to understand what the padlock and “not secure” in their browser’s address bar really mean. […]
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