The Twitter Engineering Blog

Information from Twitter's engineering team about our technology, tools and events.

Results from Engineering for: November 2013

Forward Secrecy at Twitter

As part of our continuing effort to keep our users’ information as secure as possible, we’re happy to announce that we recently enabled forward secrecy for traffic on,, and On top of the usual confidentiality and integrity properties of HTTPS, forward secrecy adds a new property. If an adversary is currently recording all Twitter users’ encrypted traffic, and they later crack or steal Twitter’s private keys, they should not be able to use those keys to decrypt the recorded traffic.


Slave Recovery in Apache Mesos

Cross-posted from the Apache Mesos blog.

With the latest Mesos release, 0.14.1, we are bringing high availability to the slaves by introducing a new feature called Slave Recovery. In a nutshell, slave recovery enables: