Recently, credit card gateways have forced compliance to the use of TLS 1.2 protocol. It’s been a headache for any small to midsized enterprise (SME) that accepts credit cards and has an online/eCommerce platform. With businesses now transitioning to a more secure encryption protocol, SSL and earlier versions of TLS are no longer being accepted. It is recommended that SMEs adopt TLS version 1.2 to meet the PCI Data Security Standard (PCI DSS) for safeguarding payment data. But there are some Vision33 customers asking why this upgrade was necessary. Here's some explanation.