Kurt Seifried

Managing Outgoing Viruses

Security Kurt Seifried -
Every once in a while, I see some new security development that really sets me on edge. The latest one is courtesy of DERA (Defense...

ImmunixOS 7 – Secure Linux

Security Kurt Seifried -
There are basically two established Linux distributions with a serious bent on security, ImmunixOS and NSA's SELinux. They both have released working, mature code that you can...

Security Attacks in the Real World

Security Kurt Seifried -
The physical world is a large, messy place. It's full of people, and some of these people might be hostile attackers. Most companies respond to this threat with locked...

Securing the Wireless Network

Security Kurt Seifried -
Wireless networks are becoming de rigeur, something you must have if you want to keep up with the Joneses. You can now surf the Web...

Why Firewalls?

Security Kurt Seifried -
Firewalls are usually seen as a requirement if you are going to attach your network to other networks, especially the Internet. Unfortunately, some network administrators...

Why We Don’t Need Perfectly Secure Systems

Networks Kurt Seifried -
Kurt's Closet Archive People constantly discuss the issue of secure systems and often get it wrong. Comments like "once an attacker has physical access, your security...

Hiring Hackers: Why it Might Not Be Such a Good Idea

Security Kurt Seifried -
Kurt's Closet Archive There has been a long, ongoing debate about this issue, and recently it has resurfaced in public. Should companies hire hackers convicted of computer crimes?...

Firewalls: What To Block

Networks Kurt Seifried -
Oddly enough, this is something many people don't think about a whole lot. In some cases, you can simply deny everything and have a few specific...

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