Comparing Data Loss Prevention Products

At Nektra we develop custom DLP solutions that can be run as individual components or integrated into third party products. In our comments below we focus on critical capabilities: mobile, BYOD, cloud, operating system coverage, and compliance regulation. We built a feature comparison matrix for data loss prevention products to gain a better understanding of […]

Is Google Spying on You? How to Quickly Craft an Ad Hoc Security Sandbox

In June, 2015 there was an alarming bit of news when people over at the Debian project realized that Chromium silently downloaded a closed source NaCl binary extension. It was the hotword extension which implements speech recognition techniques. When someone says “OK Google” within range of the microphone, Chrome interprets what follows as a command. […]

Watermark Printed Documents in Windows

Our Data Loss Prevention Development team used Deviare to add watermarks to printed documents by intercepting XPS Print API interfaces. This technique can be applied to all printing jobs on virtual or physical printing devices. Get the code. The requirements are: An operating system with XPS Print API (Windows Vista SP2 with Platform Update or higher) Visual […]

64-bit Microsoft Office Applications Do Not Like Stack Walking

Our Office plugin development team was researching some problems with Office and they found this problem. Our SpyStudio tool intercepts application system calls and retrieves the called functions by inspecting the call-stack. We were unable to access stack information in the last few 64-bit releases of Microsoft Office products. When we use SpyStudio to intercept an Office […]

Abort Microsoft SQL Server Dangerous Queries

A customer asked to develop a solution to prevent data leaks of their databases. Hernan has added a new feature to the code offered in our article SQL Server Interception and SQL Injection Attack Prevention. Now it is possible to cancel queries as well as watch them. The code sample uses the Deviare Interception Engine’s […]

Using Deviare to Create a Temporary Zero Day Patch

Zero day vulnerabilities put organizations at the mercy of vendors. These vulnerabilities are like a ticking bomb: you do not know when someone will exploit them. Writing your own patch for closed source applications is, in most cases, a complex mission that can take even longer than the vendor solution. When you use legacy software […]

Capturing Unencrypted HTTPS Requests and Responses (As Seen at BlackHat Arsenal)

Today Manuel Fernandez is presenting HookME at Black Hat USA Arsenal 2013. HookME is software designed for intercepting communications which uses the Nektra Deviare Engine for binary instrumentation. HookME can intercept unencrypted HTTPS web traffic. Many different proxy servers are used to intercept HTTP traffic. Fiddler is the most popular one for generic purposes. Burp Proxy is the leader for security testing. […]