What Is TLS 1.0?
TLS stands for “Transport Layer Security.” It is the security protocol that allows computers to communicate over the internet securely, without the transmissions being vulnerable to anyone they aren’t intended for. Without TLS, you wouldn’t be able to use your credit card on eCommerce sites or log into your bank account online.
In December 2015, the PCI Council released new PCI DSS requirements, which state that all payment systems must disable earlier versions of Transport Layer Security (TLS) protocols, TLS 1.0 and TLS. The new guidelines apply to connections that store, process or transmit cardholder data at Acquirers, Processors, Gateways and Service Providers.
The PCI Council has mandated that all public facing implementations of Secure Socket Layer (SSL) and early versions of Transport Layer Security (TLS 1.0) must be upgraded to a secure version of TLS (TLS 1.1 or greater) and that all insecure protocols be disabled on or before June 30, 2018.
Picture This Update Scenario
An unsupported version of Windows will no longer receive software updates from Windows Update. These updates include security updates that can help protect your PC from harmful viruses, spyware, and other malicious software which can steal your personal information. Windows Update also installs the latest software updates to improve the reliability of Windows—such as new drivers for your hardware. The inability to update your Windows version on your PC will result in loss of functionality over time. This scenario is exactly what will happen to you if you don’t upgrade your TLS to at least TLS 1.1, or better yet, TLS 1.2, by June 30, 2018: Your hardware won’t work and you will no longer be able to process secure payments at your business, or you won’t be able to process payments at all.
How to Check if Your Workstation Is Up To Date
- Go to: https://www.ssllabs.com/ssltest/viewMyClient.html
- Look under “Protocol Support,” There should be a message in green front that says: “Your user agent has good protocol support.”
For additional information regarding TLS: https://en.wikipedia.org/wiki/Transport_Layer_Security.
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