Security Advisories Week: 22-29 May 2002

Title: OpenServer popper buffer overflow and denial of service Date: May 22 2002 Vendor: Caldera Vulnerable systems: OpenServer 5.0.5 and OpenServer 5.0.6 Full advisory: …

Cyclone: A Safe Dialect of C

Cyclone is a safe dialect of C. It has been designed from the ground up to prevent the buffer overflows, format string attacks, and memory management errors that are common in …

Cross Site Scripting “the security gap”

I wonder if Microsoft applies the patches on their systems of their products. This question is always on my mind. I personally think that sufficient effort is not made on this …

Corporate Security Overview: 21-28 May 2002

A number of security companies send us their company press releases, which we republish in the press section of Help Net Security. This is an overview of interesting …

Basic security with passwords

The password. It really gives you power doesn’t it? You’re the only one that has the “key” to the workstation or something else that has to be kept …

A test of the ‘Email Security Testing Zone’

GFI is a worldwide supplier of security and communication tools for NT/2000 administrators. GFI’s security product range consists of MailSecurity email content checking …

Symantec announces VelociRaptor 1.5

VelociRaptor 1.5 is a popular firewall and VPN appliance. The new version now provides support for Advanced Encryption Standard (AES) and new proxy functions to best secure …

Corporate Security Overview: 15-20 May 2002

A number of security companies send us their company press releases, which we republish in the press section of Help Net Security. This is an overview of interesting …

Evolution of Cross-Site Scripting Attacks

It seems today that Cross-Site Scripting (XSS) holes in popular web applications are being discovered and disclosed at an ever-increasing rate. Just glancing at the Bugtraq …

Spam Wars – Rise of the Spam

Spam is one of the biggest problems to Internet users these days. It is not as malicious as other online threats, but it is very frustrating to always re-define spam filters …

Securing Linux

Here we go again. I decided to write another article concerning some overall security aspects of installing and running linux. To keep it short and simple, here are some good …

Overview of personal firewalls

With the constant rise of permanent broadband connections that have many workstations online 24/7, there has been a growth in the number of attacks. In order to get a certain …