Category: ExtraHop Blog

The Big Data Opportunity for Healthcare with HL7 Analytics

November 5, 2014 | By Tyson Supasatit | Add a Comment

If there’s any industry that stands to benefit from IT-enabled insights, it’s healthcare. However, traditional methods of analyzing healthcare operations data are costly, rigid, and complex. Clinical and operations data must first be logged in applications such as Cerner, Epic, PeopleSoft, LabMed, and Allscripts, and then cleansed and fit into a standard data model. When [...]

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Programming by Voice: Staying Productive without Harming Yourself

October 20, 2014 | By Tony Grosinger | Add a Comment

One of the reasons I love working at ExtraHop is the lack of meetings and abundance of uninterrupted development time. However, I quickly found after starting that I was unaccustomed to coding for such long periods. A few weeks after I started at ExtraHop, I began to develop discomfort in my wrists and forearms. I [...]

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Neuter the POODLE: Detect All SSLv3 Clients and Servers with ExtraHop

October 15, 2014 | By Tyson Supasatit | Add a Comment

Following on the heels of the Heartbleed and Shellshock exploits, the new POODLE vulnerability in SSL version 3.0 (SSLv3) is the latest to require IT teams to identify and patch vulnerable systems. Published by Google’s security team today (Tuesday, October 14), the POODLE vulnerability targets a version of SSL that is 15 years old but still [...]

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Monitor Shellshock Attempts with ExtraHop

September 27, 2014 | By Ryan Corder | Add a Comment

On Wednesday, NIST released information about a vulnerability in the GNU Bash shell that enables remote attackers to execute arbitrary code on the target system. For details, I recommend this excellent post from Troy Hunt: Everything you need to know about the Shellshock Bash Bug. One of the especially worrisome aspects of this vulnerability is [...]

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IT Is Drowning in Data, But Thirsty for Insight

September 12, 2014 | By Tyson Supasatit | Add a Comment

Water, water, every where, Nor any drop to drink. – The Rime of the Ancient Mariner IT teams have plenty of data. What they lack is visibility and insight. Over the past several weeks, ExtraHop has introduced two new capabilities that help IT organizations extract more value out of the data that they already have. [...]

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Why IT Needs a Culture of Healthy Paranoia

September 3, 2014 | By Tyson Supasatit | Add a Comment

There are three words to explain why IT professionals need a dose of healthy paranoia: Advanced. Persistent. Threat. The term “advanced persistent threat” was coined in 2006 to differentiate from hacktivists and opportunistic attacks. Advanced persistent threats bypass or thwart traditional IT security tools such as IPS/IDS and firewalls by using approved ports, stolen credentials, [...]

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What Caused My Web Server to Crash?

August 28, 2014 | By Anna Brown | Add a Comment

Welcome back to our Web Application Troubleshooting series, where we walk through how to diagnose common web application performance issues including network switch reboots and devices soaking up bandwidth. In this post, we’re going to solve another web application performance problem, an overloaded server, using wire data analytics. You might use some sort of basic [...]

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See Who’s Using (or Abusing) Your Network

August 1, 2014 | By Anna Brown | Add a Comment

In our previous post, we explored how network issues can impact web application performance, and how you can use the free ExtraHop Discovery Edition to see if the network caused a web application slowdown. What’s even more interesting is to know why the network is performing so poorly. In other words, if the network switch died, [...]

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Troubleshooting Network Issues for Your Web Application

July 18, 2014 | By Anna Brown | Add a Comment

Troubleshooting poor web application performance can be frustrating because you don’t know where to look first. That’s why we created the web application performance troubleshooting guide (no registration required!). It shows how to troubleshoot common web application performance issues using the free ExtraHop Discovery Edition. By analyzing your wire data—all L2-L7 communications on the wire—you [...]

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ExtraHop ♥ Visio Stencils

June 23, 2014 | By Jon Garrison | Add a Comment

Turning ideas into infrastructure means one thing to IT Architects, engineers, and technicians: diagrams. And usually the idea-to-infrastructure process begins with Visio. Before joining ExtraHop’s Solutions Architecture team, I was a network engineer. Every day revolved around those diagrams. Some days I was drawing the future (I hoped) and sometimes we would huddle nervously around [...]

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