Will It Scale? The Security Edition

Guest blog by Johna Johnson, CEO and founder, Nemertes Research Sometimes when you push a security solution too far outside its comfort zone, performance plummets. Or, worse: the system can end up crashing. Worst of all, it can misbehave while…

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Security For the 99%

Guest blog by Johna Johnson, CEO and founder, Nemertes Research Over the last decade, the security space has shifted under our feet—there is a growing gap between cybercrime and skilled professionals able to combat it; finding security professionals who are…

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File Integrity Monitoring Basics

Halo File Integrity Monitoring (FIM) has been available as a beta feature since February. While we have previously posted information for experienced FIM users, in this blog entry I would like to back up a bit and explain the basics of FIM….

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Building a Firewall: Part 4

In the last blog post we worked on the TCP ports on this system.  From the output of the netstat program, we figured out how to convert those lines into firewall rules. We left UDP for last, not because it falls that…

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Building a Firewall: Part 3

If you were given a computer and asked to build a firewall for it, how would you find the services and ports in the first place? To recap, in part 1 we covered what a firewall is and how it works with…

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Building a firewall for the first time: Part 2

If you haven’t read part 1 of this series, now would be a good time to go back and read it.  In the previous blog we came up with a basic firewall design.  Now we’ll make that into a usable firewall and…

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Building a firewall for the first time: Part 1

Many of us in the security field have been working with firewalls for so long that we forget that it’s still a new topic for many administrators.  If you’ve never built a firewall before – don’t worry – we’ll go…

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Intro to the Halo API

The Halo portal provides a web-based graphical interface with access to everything you need to secure your cloud servers. The Halo Portal is great for people managing servers, but doesn’t lend itself to programs make changes. To automate management, you…

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