Evernote Tech Blog

The Care and Feeding of Elephants

Monthly archives for June 2014:

Evernote Strengthens Privacy Position with New Security Capabilities

We believe your data is yours and should be protected.  As part of that commitment, we’ve added two new encryption capabilities that improve the security of your data when it travels across our network and the Internet.  We’ve launched inter-data … Continue reading

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Inside Evernote: Kevin Fahy

What is your role on the Web team? I am a developer. At Evernote, this means that you’re either writing code, bouncing ideas off of fellow developers, writing ideas on the walls, discussing requirements with PMs and designers, or figuring … Continue reading

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Stages of Denial

At 2:33pm on Tuesday afternoon (Pacific Time), an attacker began a Distributed Denial of Service (DDoS) against Evernote’s servers. At normal times, Evernote receives around 0.4 Gbps of incoming traffic and transmits out around 1.2 Gbps. We have a diverse … Continue reading


Securing Impala for analysts

We’ve previously described the Hadoop/Hive data warehouse we built in 2012 to store and process the HTTP access logs (450M records/day) and structured application event logs (170M events/day) that are generated by our service. This setup is still working well for us, … Continue reading


Streamlining The Evernote Cloud SDK for iOS

In this post we provide an overview of the rebuilt and streamlined Evernote Cloud SDK for iOS. You can try it out for yourself at: github.com/evernote/evernote-cloud-sdk-ios We’ve always been proud to offer the full sophistication of the Evernote platform to all … Continue reading

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