security education

Deeplinks Blog by Erica Portnoy | January 14, 2026

So, You’ve Hit an Age Gate. What Now?

EFF is against age gating and age verification mandates, and we hope we’ll win in getting existing ones overturned and new ones prevented. But mandates are already in effect, and every day many people are asked to verify their age across the web, despite prominent cases of sensitive data getting...

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Deeplinks Blog by Bill Budington | November 19, 2020

Introducing Cover Your Tracks!

Today, we’re pleased to announce Cover Your Tracks, the newest edition and rebranding of our historic browser fingerprinting and tracker awareness tool Panopticlick. Cover Your Tracks picks up where Panopticlick left off. Panopticlick was about letting users know that browser fingerprinting was possible; Cover Your Tracks is about giving...

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Deeplinks Blog by Lindsay Oliver | January 1, 2020

Surveillance Self-Defense: Year in Review 2019

Here at EFF, we maintain a repository of self-help resources on circumventing surveillance across a variety of different platforms, devices, and threat models. We call it Surveillance Self-Defense, or SSD for short.SSD covers myriad topics, and is broken up into four main sections:Basics: Overviews on what digital surveillance...

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Deeplinks Blog by Alexis Hancock | November 5, 2019

Virtual(ly) Private Network: NordVPN’s Breach and the Limitations of VPNs

The popular VPN provider, NordVPN, recently announced a server breach at a third-party data center. NordVPN reassured users that its key services were not impacted by this breach in particular, however, NordVPN users credentials were used with credential stuffing attacks. NordVPN stresses that there is no indication the breach and...

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Deeplinks Blog by Alexis Hancock | October 31, 2019

Phony HTTPS Everywhere Extension Used in Fake Tor Browser

ESET researchers recently discovered a false “trojanized” version of Tor Browser that collectively stole $40,000 USD in Bitcoin.This does not mean that Tor or Tor Browser itself is compromised in any way. It only means that attackers found a new, insidious way to create and distribute a fake...

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Deeplinks Blog by Lindsay Oliver, Sydney Young | September 6, 2019

EFF's DEF CON 27 T-Shirt Puzzle

At Hacker Summer Camp 2019, EFF unveiled our 10th-annual limited edition member shirt—available only during the three-day event, and inspired by the DEF CON theme of Technology’s Promise: “a break from the dystopian imagery into a major-key, blue-sky thoughtscape, full of color and light...a future where we have tamed...

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Deeplinks Blog by Alexis Hancock | February 14, 2019

Designing Welcome Mats to Invite User Privacy

The way we design user interfaces can have a profound impact on the privacy of a user’s data. It should be easy for users to make choices that protect their data privacy. But all too often, big tech companies instead design their products to manipulate users into surrendering their data...

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