Israeli Firms Used Ads to Install Spyware on Al Jazeera Computers

• Two Israeli companies manipulated online advertisements to install surveillance software on dozens of computers at Al Jazeera.
• An Israeli ad company, DiscoverTech, has been helping spyware developers target popular websites for years.
• The spyware was installed on computers at the Qatari news organization Al Jazeera.
• Researchers have confirmed the use of manipulated ads to deploy the surveillance software.
• The incident highlights the use of online advertising for malicious purposes.