Starting March 4, 2017, TLS 1.0 encryption protocol will be disabled in Trend Micro’s Business Support Portal. Connections to and from the portal will use TLS 1.1 or 1.2 from that period.

After the said date, you may not be able to access the Business Support Portal (including its pages, articles, and case submission forms) if you are using a browser with TLS 1.0.