Intermediate certificates are often a topic of confusion. It’s understandable. We pay a lot of attention to root certificates as they require a lot of active management on the client. Leaf certificates on the endpoint are the star of the show – …
It’s that time again. As protocols mature, inevitably security vulnerabilities lurking beneath the surface are uncovered by security professionals. The so-called “Racoon” vulnerability is unusual however in that it affects TLS 1.2, arguably the most …
In this article, we’ll discuss cross-signing (cross signature) and its role in SSL/TLS cert signing. We’ll explain the benefits of CA choosing to sign cert chains using multiple root certificates while also covering the potential pitfalls when …
There are a lot of reasons why you might inherit a network. Maybe the person who handled SSL/TLS left abruptly, or perhaps you’re doing a favor for a friend. Whatever the reason, it can be overwhelming to get a handle on the sorts of care and …
A wildcard Certificate allows you to secure unlimited sub-domains on a single level under your main domain. But it may not always be the best choice.
On Friday February 28th, Let’s Encrypt made the tough decision to revoke over 3 million certificates they had issued due to a bug in the software they use to validate CAA records. This gave companies relying on Let’s Encrypt under a week to replace …
Computer System Vulnerabilities are a serious security issue that can find its way to our computers through harmless browsing activities. This can be as simple as visiting a website, clicking on a compromised message or downloading software with …
Wireshark is an extremely powerful tool for analyzing the conversations your computer is having over the network. When an application’s logs come up empty, Wireshark is often the best way to figure out what’s going with software. When …
2019 has been a big year for digital cryptography. The privacy minded should be very excited about changes on the horizon.
It can feel like a nightmare when you can’t login to your email account or you start to notice some unfamiliar activity occurring on your profile that you know wasn’t caused by you. It’s important to always pay attention to any suspicious activity …
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