AUTHORIZE.NET TEST TLS 1.2 WINDOWS 10
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AUTHORIZE.NET TEST TLS 1.2 UPDATE
To avoid any interruptions in card acceptance, businesses need to update to TLS version 1.2 no later than this date. Merchants were made aware of the plan by Authorize.Net to remove TLS versions prior to 1.2 throughout 2017 and the time for the changes to take effect are right around the corner on February 28, 2018.