What is off-the-record messaging (OTR)?
OTR practices deniable authentication, making it impossible for an eavesdropper to tell solely from encrypted messages who is communicating with whom.
Is Facebook listening to you?
Facebook has an uncanny propensity to show you ads for products you were just talking about. How do they do it?
4 reasons you need a VPN at home
When it comes to staying safe online at home, a VPN is your best friend.
Tech safety for survivors of domestic violence
Take steps to assert your digital autonomy, prevent stalking, and regain control over your communications and information.
Should you hide your Wi-Fi network name (SSID) or not?
Will hiding your SSID keep your Wi-Fi network safe? The answer is no—and doing so will even bring more harm than good.
The essential crypto glossary: Blockchain terminology explained
Bitcoin is big, but many of us don't understand it. This crypto cheat sheet contains all the terms you need to hold your own.
How to stay secure when using public Wi-Fi
Whether it’s in your local cafe, an airport halfway around the world, or your favorite mall, public Wi-Fi is not safe.
Infographic: 12 tips to level up your cybersecurity
Save this infographic and follow its tips to improve your online privacy and security in minutes.
How to set up and use Pretty Good Privacy (PGP)
Learn how to use Pretty Good Privacy (PGP) to encrypts files, emails, text, and even disks.
Video: How to stay private while shopping in real life
Intrusive technology—even in physical stores—is more prevalent than you think when shopping. Here are some ways you might be spied on this Black Friday.
