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[2003-02-17] How secure do you want to be?
Please read this disclaimer
You probably get a good deal of email, letters and phone calls warning you about computer security. The general idea is the same: your systems are threatened, we can stop the threat. The cost of the remedy is seldom mentioned up front. but there are lots of buzz words to make up for any lack of specifics. "Intrusion detection", "secure firewall", "hackers", "Security assessment" and more
[2003-02-11] After the Hack: How to Get Back to Business
More often than not, when your machine has been the victim of a cracker's attack, the best solution is to completely reinstall the operating system, being sure to apply all relevant patches to the machine. In other words, go to your software vendor's website and double-check all of the security announcements and patches... you may have been hit by a brand new exploit. I have many times been asked if a complete reinstall is absolutely necessary. The short and simple answer is "yes".
[2003-02-06] Defense In Depth - A Layered Approach Network Security
External information access from partners and employees is a very important aspect in the design of security. Corporations need to be assured that their critical servers are safe from different internet threats. Additionally, because the Web is worldwide, it is impossible to create a global agreement on what traffic is inappropriate and how that traffic should be regulated. A major problem IT departments face is how to defend critical servers from hostile network traffic and network addresses. How do we add layers of security to protect our internet servers and internal systems?
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