Inexpensive, effective mixed-platform Network Security using Linux-based solutions. 

Horizon Network Security™
phone: +1 770-662-8321, email:

What Snowden taught us about warrantless NSA surveillance of Americans

Did warrantless NSA surveillance of Americans save American lives?

24x7 availability and flexible custom solutions to the client's desires, not ours. Experienced security consultants are instantly available 24x7.

EFF's Guide to Protecting Electronic Devices and Data at the U.S. Border

While the U.S. Constitution prohibits unreasonable search and seizure, traveling across the U.S. border may leave your electronic devices vulnerable to searches by government agents. Here's how to protect your digital data at the border:

Horizon Network Security

Our most popular services:

  • Hardening Linux servers against attack and security audits
  • Linux System Administration
  • Is your network secure?

    Our article in Communications of the ACM discusses what the NSA should have done to protect its classified data against Snowden's theft of it:

    Our CACM article on the NSA and Snowden

    In today's more dangerous Internet, your Network Security never has been more important. Horizon Network Security™ specializes in inexpensive but effective mixed-platform Network Security using Linux-based solutions so we have the expertise to ensure that your network looks like Fort Knox or even invisible to an intruder. Non-server systems can appear to vanish from the Internet to prevent attacks, yet can have access to as much of the Internet as your organization requires.

    Do NOT learn the need for good computer security the hard way as Target, Home Depot, the NSA (National Security Agency) and others had to!

    Our Linux security products and services include the following:

    All of these can be done by a single low-cost, highly reliable, easy-to-maintain Horizon Network Security™ Linux-based system. We wrote the book on Linux and network security. Let us solve your security and Linux SysAdmin problems.

    Our Linux security services do NOT include the following:

    "If you spend more on coffee than on IT security, you will be hacked.
      What's more, you deserve to be hacked."
        -- White House cybersecurity adviser Richard Clarke

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