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Electronic Frontier Foundation
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The Electronic Frontier Foundation is a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at https://eff.org/social.
April 4, 2017
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If you're hearing a lot about the fediverse these days, you should know: Mastodon is not the whole fediverse and the fediverse is not simply a Twitter replacement. The fediverse is an entire ecosystem, built on something called ActivityPub. Learn more: https://www.eff.org/deeplinks/2022/11/leaving-twitters-walled-garden
Cell-site simulators (CSS, also known as Stingrays or IMSI catchers) are devices that masquerade as legitimate cell-phone towers, tricking phones within a certain radius into connecting to the device rather than a tower. Our tool, Rayhunter, can help you find them. https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying
