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What is SSL?

695 Views Saturday, April 22nd, 2017 at 6:43 pm   (3 years ago)   Security

 

The Secure Sockets Layer (SSL) and Transport Layer Security (TLS) is the most widely deployed security protocol used today. It is essentially a protocol that provides a secure channel between two machines operating over the Internet or an internal network. In today’s Internet focused world, the SSL protocol is typically used when a web browser needs to securely connect to a web server over the inherently insecure Internet.

Technically, SSL is a transparent protocol which requires little interaction from the end user when establishing a secure session. In the case of a browser for instance, users are alerted to the presence of SSL when the browser displays a padlock, or, in the case of Extended Validation SSL, when the address bar displays both a padlock and a green bar. This is the key to the success of SSL – it is an incredibly simple experience for end users

In practice,how is SSL used in today’s modern e-commerce enabled / online workflow and service society?

  • To secure online credit card transactions.
  • To secure system logins and any sensitive information exchanged online.
  • To secure webmail and applications like Outlook Web Access, Exchange and Office Communications Server.
  • To secure workflow and virtualization applications like Citrix Delivery Platforms or cloud-based computing platforms.
  • To secure the connection between an email client such as Microsoft Outlook and an email server such as Microsoft Exchange.
  • To secure the transfer of files over https and FTP(s) services such as website owners updating new pages to their websites or transferring large files.
  • To secure hosting control panel logins and activity like Parallels, cPanel, and others.
  • To secure intranet based traffic such as internal networks, file sharing, extranets, and database connections.
  • To secure network logins and other network traffic with SSL VPNs such as VPN Access Servers or applications like the Citrix Access Gateway.

All these applications have a number of shared themes:

  • The data being transmitted over the Internet or network needs confidentiality. In other words, people do not want their credit card number, account login, passwords or personal information to be exposed over the Internet.
  • The data needs to remain integral, which means that once credit card details and the amount to be charged to the credit card have been sent, a hacker sitting in the middle cannot change the amount to be charged and where the funds should go.
  • Your organization needs identity assurance to authenticate itself to customers / extranet users and ensure them they are dealing with the right organization.
  • Your organization needs to comply with regional, national or international regulations on data privacy, security and integrity.

Source:https://www.globalsign.com/en/ssl-information-center/what-is-ssl/

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