Matt Cagle

matt-cagle-200Matt Cagl is technology and civil liberties attorney at the ACLU of Northern California.​
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Facebook, Instagram and Twitter Provided Data Access for a Surveillance Product Marketed to Target Activists of Color

The ACLU of California has obtained records showing that Twitter, Facebook, and Instagram provided user data access to Geofeedia, a developer of a social media monitoring product that we have seen marketed to law enforcement as a tool to monitor activists and protesters. We are pleased that after we reported our findings to the companies, Instagram cut off Geofeedia’s access to public user posts, and Facebook has cut its access to a topic-based feed of public user posts. Twitter has also … [Read more...]

This Surveillance Software Is Probably Spying on #BlackLivesMatter

e just got a pile of public records from the police department in Fresno, California. They show that in the last two years, Fresno police have been using several different brands of social media surveillance software – all without the public’s consent. What’s worse, the ACLU has discovered that Fresno police have been using an especially offensive piece of software called MediaSonar, which encourages the police to identify “threats to public safety” by tracking #BlackLivesMatter-related … [Read more...]