Posts by dbeattie

The Advantages of Short-Lived SSL Certificates for the Enterprise

Posted by on July 18, 2019 in Blog | 0 comments

Short validity period certificates are becoming ever more common to reduce the scope of data compromised if a server vulnerability is uncovered, such as HeartBleed.  Good security practice dictates changing keys on a regular basis, normally annually, but if you want to limit your exposure further, you can replace your certificates and underlying keys more frequently. Sandstorm is an open source server software that makes it easy to install web apps. In order to solve the problem of setting up DNS without too much complication, Sandstorm announced the release of Sandcats.io. Sandcats.io is a...

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What Are Subordinate CAs and Why Would You Want Your Own?

Posted by on June 26, 2019 in Blog | 0 comments

Digital certificate and PKI adoption has changed quite a bit in recent years. Gone are the days where certificates were only synonymous with SSL/TLS; compliance drivers like stronger authentication requirements and digital signature regulations (e.g. eIDAS) have greatly expanded the role of PKI within the enterprise. As PKI usage has expanded, conversation has moved beyond just the number and type of certificates needed and onto deeper dialogue about custom PKI deployments. A large part of the conversation is around subordinate CAs, sometimes referred to as Issuing or Intermediate CAs, and...

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Lenovo Enables Man-in-the-Middle Attacks Via Superfish Adware

Posted by on February 20, 2015 in Blog, General | 0 comments

Lenovo is selling computers that contain the Superfish application which “supplements” the user’s SSL sessions to enable their adware application to deliver content transparently; however, due to poor security design this leaves users vulnerable to man-in-the-middle attacks. How it was supposed to work Superfish uses the program “Visual Discovery” to process images in browser content and then displays ads for similar goods and services. This sounds like any other adware application, but in order to maintain SSL sessions and not alert users with security...

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