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  • Blog Post: How To: Use CAT.NET 2.0 Beta

    Syed Aslam Basha here. I am a tester on the Information Security Tools Team responsible for testing CAT.NET. You can download the current Beta of CAT.NET 2.0 from https://connect.microsoft.com/site734/Downloads/DownloadDetails.aspx?DownloadID=26086&wa=wsignin1.0 * You must have Visual studio 2010...
  • Blog Post: The CAT.NET 2.0 Configuration Analysis Engine

    Maqbool Malik here… One of the most significant update to CAT.NET in v2.0 is the addition of a configuration engine. The goal of the engine is to identify insecure configuration at all layers of the application (configuration files, code level configuration, etc.) which should be remediated prior to...
  • Blog Post: How to Configure WPL v1.0 SRE

    RV here... With the release of Web Protection Library v1.0 (WPL) Security Runtime Engine (SRE) has been significantly updated. It now includes a SQL Injection Detection module which can detect certain attack vectors. It also include re-designed configuration editor which enables you to easily configure...
  • Blog Post: Web Protection Library – CTP Release Coming Soon

    RV here... Over the last couple of months we have been actively developing the next version of Anti-XSS library and Security Runtime Engine (SRE). We have added new mitigations that go way beyond the original Cross Site Scripting (XSS) protections of the Anti-XSS Library hence the change in name to the...
  • Blog Post: Anti-XSS Library v3.1 Released!

    The Microsoft Information Security Tools (IST) team has released the latest Microsoft Anti-Cross Site Scripting (Anti-XSS) Library version 3.1 .  Read more about Anti-XSS v3.1 on the Information Security blog and watch the video, “ Anti-XSS 3.0 Released ,” as Vineet Batta and Anil Revuru (RV), Senior...
  • Blog Post: HTML Sanitization in Anti-XSS Library

    RV here... For a while now, I have been talking about various types of encodings and how they protect web applications from cross site scripting attacks. In most cases input is simply passed through AntiXss.HtmlEncode or similar methods to transform it into safely displayable HTML entities. In some cases...
  • Blog Post: Encoding Cascading Style Sheet Strings

    RV here... Cascading Style Sheets provide developers ways to change the UI theme of a website and this provides many opportunities for malicious users to change the UI if the application uses dynamic data inside style tags or in HTML style attributes. Additionally keywords like expression can be used...
  • Blog Post: LDAP Injection and Mitigation

    RV here... The Lightweight Directory Access Protocol (LDAP) API provides a mechanism for connecting to, searching, and modifying internet directories. A LDAP (Lightweight Directory Access Protocol) injection attack exploits vulnerabilities in input validation to run arbitrary LDAP statements against...
  • Blog Post: In Seattle and Want To Chat to the WPL (Anti-XSS) Developer?

    RV is doing a talk at the local OWASP Chapter. Details below. http://www.owasp.org/index.php/Seattle#Next_Event_11_August_.28Tuesday.29
  • Blog Post: Anti-XSS Library 3.0 RTM

    RV here… Anti-XSS library 3.0 is now RTM!!! MSDN download center is updated with the new binaries. Here is a overview of the changes in 3.0 release. New features in this version of the Microsoft Anti-Cross Site Scripting Library include: An expanded white list that supports more languages Performance...
  • Blog Post: Web Protection Library (WPL) – A Brief Introduction

    RV here… I wanted to share with you some tidbits on our new project called Web Protection Library (WPL) which contains libraries to protect web applications from common vulnerabilities and attacks. Our goal is to offer comprehensive web application protection with minimal configuration. With the release...
  • Blog Post: Differences Between AntiXss.HtmlEncode and HttpUtility.HtmlEncode Methods

    Syed Aslam Basha here. I am a tester on the Information Security Tools team and responsible for testing Microsoft Anti-XSS V3.0. The difference lies in implementation and performance you could get. The following are the differences between Microsoft.Security.Application.AntiXss.HtmlEncode and System...
  • Blog Post: What’s Coming from the Information Security Tools Team

    Mark Curphey here (Follow me using @curphey on Twitter ). June is a busy time of year around MSFT. For most teams you have a pretty good idea about your budget for the next year (July – July) and the end of year performance review cycle kicks in. You spend most of your time in retrospective of the last...
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