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OpenDNS Umbrella Blog


Last Build Date: Tue, 28 Mar 2017 12:38:01 +0000


Domain Names: Are you watching closely?

Tue, 28 Mar 2017 12:23:04 +0000

Let’s say you’re a fan of DC Comics and visit their webpage frequently. If I were to ask you to recall the IP address of in order to visit the website, chances are you wouldn’t know it. The IP would have no meaning to you. Domain names make surfing the Internet easy for us to […]

The post Domain Names: Are you watching closely? appeared first on OpenDNS Umbrella Blog.

Visualizing Time-Dependent Graphs

Tue, 21 Mar 2017 12:26:18 +0000

Intro Data-Ink Maximization – is the concept of making every keystroke count (including the delete character), popularized by Edward Tufte. One famous example of this is how he redesigned the scatterplot into what is known as a rugplot. Simplify, then minimize. Add lines, that’s key. So, let’s try visualizing time-dependent graphs with Tufte’s inspiration, with a twist. […]

The post Visualizing Time-Dependent Graphs appeared first on OpenDNS Umbrella Blog.

New dog, new tricks

Thu, 09 Feb 2017 08:08:01 +0000

We’ve all heard the saying: You can’t teach an old dog new tricks. But have you ever tried? I know, I know, you didn’t come here for canine training tips. Stay with me, there’s a point to all this. Anyways, it’s super hard. I tried, and all the dog wanted to do was sleep. Your […]

The post New dog, new tricks appeared first on OpenDNS Umbrella Blog.

Visualizing 2016’s Top Threats

Wed, 08 Feb 2017 17:01:33 +0000

2016 brought us more traffic then ever and with that, we identified and protected our customers from a barrage of new attacks, threats, and actors. Understanding these evolutions are paramount to a strong defense. In this post we will visualize and summarize some of the biggest threats highlighted in the Cisco Annual Cybersecurity Report (ACR). To create […]

The post Visualizing 2016’s Top Threats appeared first on OpenDNS Umbrella Blog.

BSidesSD 2017 Recap

Fri, 27 Jan 2017 17:45:25 +0000

BSidesSD 2017 San Diego has finally joined the Security BSides (@SecurityBSides) circuit. This year, the first annual BSidesSD took place Jan 13th-14th held at National University on the northern side of San Diego. This author was one of twenty speakers accepted to talk at the inaugural event. My talk was once again centered around our […]

The post BSidesSD 2017 Recap appeared first on OpenDNS Umbrella Blog.

Finding the RAT’s Nest

Wed, 18 Jan 2017 18:26:42 +0000

We’ve spotted a Remote Access Trojan(RAT) and are headed down into the unknown. In this blog post we’re going to examine some malicious infrastructure that we’ve found by pivoting through domains delivering and communicating with RATs. A RAT is malware that creates a back door to gain access to the target and its connected resources […]

The post Finding the RAT’s Nest appeared first on OpenDNS Umbrella Blog.