April 29, 2016

Encrypted Network Traffic Comes at a Cost

Emily Ratliff, Sr. Director of Infrastructure Security at The Linux Foundation, writes that the use of encryption over the Internet is growing. Fueled by Edward Snowden's revelations on the extent of NSA and GCHQ content monitoring, encryption is now increasingly provided by the big tech companies as part of their standard product offerings. It's effectiveness can be seen in the continuing demands by different governments for these same tech companies to provide government backdoors for that encryption. Encryption works: it safeguards privacy.

Against this background, the use of Secure Sockets Layer (SSL) or Transport Layer Security (TLS) to encrypt network traffic is likely to grow dramatically. ... 

A10 Networks' Rene Paap, who expects 67% of all network traffic to be encrypted by the end of this year, thinks this will place an intolerable demand on existing firewalls – effectively reducing the performance of the average firewall by 81%.

Read more at SecurityWeek

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