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Electronic Frontier Foundation
The leading nonprofit defending
digital privacy, free speech,
and innovation.

The leading nonprofit defending digital privacy, free speech, and innovation.

If you use technology, this fight is yours.

EFF defends your privacy and free expression because technology should serve all people, not just the powerful. We’re a nonprofit powered by members, and we need you in this fight.

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The Latest

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Developers: Beware of Ad Libraries that Betray Your Users’ Location Privacy

An EFF investigation identified several advertising software development kits (SDKs) that publicly acknowledge collecting and sharing users’ location by default when embedded in apps granted location permissions. If developers don’t pay close attention to the location-sharing settings of their advertising tools, they could inadvertently expose users’ location to third parties.
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Technology's Power in the Hands of the People

It's inseparable from our workplaces, schools, healthcare, the justice system, and our democratic process. If you think tech should benefit everyone and not just accumulate wealth and control for the powerful, then congratulations: We'd like to welcome you to the team.
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The Senate Should Reject KOSA's Privacy Risks

Update: The Senate Commerce Committee voted to advance this bill on August 5, 2026. EFF continues to oppose the bill, which still needs approval from the full Senate. The Senate Commerce Committee is once again considering legislation that would dramatically expand age verification, and undermine privacy for everyone. Alongside the...

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