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Network Security Technology is a division of Access Technologies, a Nevada based Computer Consulting company. You can contact us by phone at 775.741.8278 or by leaving a comment on any of the pages on this site.-
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- Domain Name Resolution Attacks | Network Security Technology on Man in the Middle Attacks
- Man in the Middle Attacks | Network Security Technology on Domain Name Resolution Attacks
- Sendmail e-mail Server Commandeered | Network Security Technology on Real Audio Server Compromised
- Real Audio Server Compromised | Network Security Technology on Session ID Hijacking
- Session ID Hijacking | Network Security Technology on Microsoft Sharing Vulnerabilities
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Category Archives: Internet Security
Design and Implement a Secure Firewall
Firewalls are one of the most important components of a good security system. A firewall is any computer you set up to evaluate the traffic coming and going through your Internet connection. Many self-proclaimed security experts fail to address the … Continue reading
Posted in Internet Security, Network Secuirty
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The Need for a DMZ
A DMZ, or de-militarized zone, is a network that you can build that connects to the Internet. In this network are all the machines that must talk to the Internet but doesn’t contain any of the machines used by your … Continue reading
Posted in Internet Security, Network Secuirty
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Weak External Routers
Weak external routers is another issue that requires attention when securing a local network. Fortunately, many of today’s routers come configured in somewhat secure configurations. Still, though, you wan to ensure that you aren’t leaving anything to chance by failing … Continue reading
Posted in Internet Security, Network Secuirty
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Man in the Middle Attacks
Man in the Middle Attacks by David Schlecht The Attack A Man-in-the-middle attack is a type of attack where you think you’re connected to your bank’s web site but are in fact connected to an attacker’s site while he’s mirroring … Continue reading
Posted in Computer Security, Internet Security
Tagged Computer Security, Internet Security, Training
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Domain Name Resolution Attacks
Domain Name Resolution attacks by David Schlecht DNS Attacks Domain Name Resolution, often referred to as Domain Name Service (DNS) attacks are the preferred approach for Man-in-the-middle attacks. There are occasionally vulnerabilities reported in the major DNS service providers, such … Continue reading
Posted in Computer Security, Internet Security, Network Secuirty
Tagged Internet Security, Software
1 Comment
Web Application Vulnerabilities
Case Study Test Leftovers In this last case study, the client left his web server configured to display directories. The attacker got a listing of the directory in the CGI directory structure and started looking for easy targets. The most … Continue reading
Posted in Internet Security
Tagged Application vulnerabilities, Internet Security, Software
1 Comment
Microsoft Web Server
Case Study Microsoft Web Server Like so many in the news, this client refused to update his Web Server software since “every time it would break more than it fixed.” As painful as it may be to update your MS … Continue reading
Session ID Hijacking
Case Study Session ID Hijacking I got a concerned call from a client upset by what his webmaster had reported as “strange” web activities by some of the customers. Their web application was reporting error messages coming from multiple users. … Continue reading
Real Audio Server Compromised
Case Study Real Audio Server Compromised This client was running the Real Audio server and left the administration server running. The RealAudio system is administered through a dedicated port on the server. Once the attacker was able to guess the … Continue reading
Sendmail e-mail Server Commandeered
Case Study Sendmail e-mail Server Commandeered In this case a spammer had successfully exploited a vulnerability in the server code which allowed the sender to use the client’s machine for sending hundreds of thousands of spam. The tremendous load on … Continue reading
Posted in Internet Security, Network Secuirty, Server Security
Tagged Application vulnerabilities, Internet Security, Software
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