Terror Tech: How Jihadists and Terrorists Rely on US Tech

This video uses Adobe SWF technology for playing an animation on the Web. It is a recruitment tool used by extremist groups to find new members. (Jeff Bardin, Treadstone 71 )

This installer for ESET is a complete security package that Bardin says an extremist group offers on the Web for other members to download and protect their activities. (Jeff Bardin, Treadstone 71)

YouTube, owned by Google, is a common platform for posting videos related to jihad activities. Here, a video shows a biker gang about to attack U.S. military. (Jeff Bardin, Treadstone 7)

In some cases, amateur surveillance drone enthusiasts release software plans and hardware specs online, which are then used by terror groups to build their own models. (Jeff Bardin, Treadstone 71)

In this recruitment video, created with the video editing program Camtasia made by TechSmith in Michigan, an extremist group shows how to drive a tanker into a building. (Jeff Bardin, Treadstone 71)

Software with good intentions -- this steganography app was developed by Allan Latham -- is sometimes used for nefarious purposes: in this case, embedding jihadist plans in porn pictures. (Jeff Bardin, Treadstone 71)

Another extremist group created this portal (see the “powered by Melinda” note below the search field) for members to find serial numbers and download Microsoft software. (Jeff Bardin, Treadstone 71)

An industrious jihadist hacker made a pirated version of this encryption tool and released the instructions for using it, then posted the code for anyone to download. (Jeff Bardin, Treadstone 71)

This message on Facebook, which Bardin found on Google Groups, explains how to make e-mail for discussing jihadist plans more secure. The message has since been removed. (Jeff Bardin, Treadstone 71 )

(Jeff Bardin, Treadstone 71)

This message on Facebook, which Bardin found on Google Groups, explains how to make e-mail for discussing jihadist plans more secure. The message has since been removed. (Jeff Bardin, Treadstone 71)