Understand the impact Chrome and Internet Explorer Browser SHA-1 deprecation handling will have on your DVRs and IP cameras. Also, if it applies to you,  become familiar with the PCI deadline to transition from SSL and TLS 1.0 to a secure version by June 2018.

http://www.infoworld.com/article/2879073/security/all-you-need-to-know-about-the-move-to-sha-2-encryption.html

 https://blog.pcisecuritystandards.org/migrating-from-ssl-and-early-tls