Help Net Security reviewed Acunetix 11

Acunetix 11 Review by Help Net Security. Acunetix is one of the biggest players in the web security arena. The European-based company released the first version of their product back in 2005, and thousands of clients around the globe use it to analyze the security of their web applications. They recently unveiled Acunetix version 11, so Help Net Security decided to take it for a spin.

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Cracking PHP rand()

Sjoerd Langkemper writes about Cracking PHP rand(): Webapps occasionaly need to create tokens that are hard to guess. For example for session tokens or CSRF tokens, or in forgot password functionality where you get a token mailed to reset your password. These tokens should be cryptographically secure, but are often made by calling rand() multiple times and transforming the output to a string. This post will explore how hard it is to predict a token made with rand().

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WordPress Plugin Vulnerability Dump – Part 1

This post contains information on vulnerabilities for 7 (at least somewhat) popular WordPress plugins. All of these vulnerabilities were trivial to discover (and are trivial to fix). The state of WordPress plugin security is very sad indeed. None of the developers were contacted in advance of this post (except where otherwise noted). Additional vulnerabilities will be posted as time permits. WordPress Plugin Vulnerability Dump – Part 1

Mod_evasive on IIS

Mod_evasive is a module for Apache and Windows Server IIS (using Helicon Ape), to provide protection and evasive action in the event of an HTTP DoS-, DDoS or brute force attack. Detection is performed by creating an internal dynamic hash table of IP Addresses and URIs, and denies an IP address access to a website if it’s requesting the same page more than 10 times a second. This is configurable.

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Validate MIME types with PHP Fileinfo

How to check the file type in PHP and secure file uploads: it is important to validate MIME types in PHP. Especially of files uploaded through an upload form to your website. Using PHP, the best way to validate MIME types is with the PHP extension Fileinfo. Any other method might not be as good or secure, and unfortunately those other methods are still wildly used…

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