Check SSL Security of your Browser

Below it should show the type of SSL connection your browser is capable of. All browsers should have at least TLS 1.2 for the best security. TLS 1.3 is a new standard starting to be enabled on browsers.  SSL 3.0 is insecure, TLS 1.0 is also insecure.  TLS 1.1 has weaker security and many companies are pushing to use TLS 1.2 in 2019.
TLS – transport layer security.
SSL – secure socket layer.

 

 

Browsers
TLS 1.3 enabled in Firefox 61 and later
TLS 1.3 enabled in Chrome 65 and later
TLS 1.3 enabled in Brave
TLS 1.3 enabled in Safari 12.1 and later
TLS 1.3 enabled in Opera 43 and later
TLS 1.3 not enabled in Edge, Internet Explorer or Vivaldi latest releases all support TLS 1.2
Operating Systems
macOS 10.9 Mavericks first version to enable TLS 1.2
Windows 8.1, Windows 10, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019  have TLS 1.2 enabled
Microsoft how to enable TLS 1.1 and TLS 1.2 in Windows 7, Windows Server 2008 R2, and Windows Server 2012 – October 24, 2018
TLS 1.3 Standard
Internet Engineering Task Force Blog about TLS 1.3 – August 10, 2018