Transparency Project

Analysis Dissemination Visualization Insight and Semantic Enhancement (ADVISE)

In 2007 EFF submitted a Freedom of Information Act request to the Department of Homeland Security for information about a trial-stage data mining program called Analysis Dissemination Visualization Insight and Semantic Enhancement (ADVISE). This system was intended to sift through a wide variety of databases to find suspicious patterns between people and organizations. After the DHS Privacy Office and Inspector General criticized the privacy practices of the program DHS announced that it had scrapped the $42 million system in favor of commercial software.

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NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

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¿En el #LACIGF2016? El martes compartiremos el informe: Vigilancia y privacidad en 13 países de America Latina

Jul 23 @ 6:52am

25 Members of Congress have launched a new bipartisan caucus to defend Fourth Amendment rights: https://www.eff.org/deeplinks...

Jul 22 @ 5:49pm

EFF & @APC_news are in Costa Rica for the #LACIGF2016. Join us for our join human rights event on July 26 at 9:00AM

Jul 22 @ 12:57pm
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