Posts by Jon Callas

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  1. Approach to Security Solutions

    Approach to Security Solutions

    Security is hard. An important truth of security is that no matter how good you are, you can’t protect against every threat. That’s why a lot of security solutions are playing catch-up, and why some traditional solutions are always behind the curve.

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    Sep 2, 2015
  2. Ensuring Security in the Mobile Revolution

    Ensuring Security in the Mobile Revolution

    We’re in the midst of the mobile revolution. Many of us use mobile devices for much of what we do. In fact, it’s highly likely that you’re reading this article on a smartphone or tablet right now. Moreover, what we now call...

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    Aug 20, 2015
  3. Not All Encryption Is Equal

    Not All Encryption Is Equal

    It’s easy to create a poor encryption system, and very difficult to create a good one. But as a mobile user who just wants to be sure that your communication is private and secure, how can you tell the difference? Fortunately,...

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    Jun 19, 2015
  4. News From The World Of Government Spyware

    News From The World Of Government Spyware

    We have gotten a report that the commercial/government spyware system FinFisher has themselves been hacked and that documents, code, etc. have been posted online. Our friends who have looked at some of these leaked documents...

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    Aug 8, 2014
  5. Finishing Up From Heartbleed

    Finishing Up From Heartbleed

    In our previous blog post on Heartbleed we said that we would tell you more when we had finished our own cleanup. We completed our work this weekend. We replaced all our SSL certificates, and that required us to update the...

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    Apr 16, 2014