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What does CAPTCHA mean? (Definition and explanation)
CAPTCHA is an acronym for “completely automated public Turing test to tell computers and humans apart.” Computer scientists came up with the simple tests in the 1990s. They are designed to be easy...
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How to fix ‘ChatGPT is at capacity’ error with a VPN
Since ChatGPT, the OpenAI chatbot, made waves for its ability to answer questions in a somewhat accurate and fairly human-sounding manner, as well as write computer code and even music, many have trie...
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Smart devices for the bedroom: A security turn-off
In 2020, adult toy manufacturer QIUI was caught in a sticky situation. The brand’s most famous product, a chastity cage called the Cellmate, came under fire when researchers found that the app linke...
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Tech Friend: How secure is screen casting?
Tech Friend is our advice column covering cybersecurity, privacy, and everyday technology. Email your question to techfriend@expressvpn.com. If you have questions about your ExpressVPN subscription or...
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Guide: How to buy Bitcoin anonymously
Many people think cryptocurrency like Bitcoin is anonymous and untraceable back to an individual—but this is not true. Using sophisticated tools, it is possible to link Bitcoin payments back to peop...
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How to increase download speed on your PC
Downloads grinding to a crawl on your PC? Whether you’re waiting for your streaming to buffer or your next game to load, here are a few tips to speed up the process. A VPN can help improve your do...
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What is wardriving
Wardriving is the act of searching for wireless networks while moving around a specific area in a moving vehicle. It involves using equipment which typically includes a GPS device and laptop. What is ...
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What is cryptojacking? How to detect & prevent hidden crypto mining
Cryptojacking is when hackers run cryptomining malware on your device without you knowing. This lets them secretly mine cryptocurrency without your knowledge or consent. Unlike other types of malware,...
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7 fastest ways to level up your privacy
There are so many tips and tricks to improve your online privacy and security, the lists can get overwhelming (see here and here). So for Data Privacy Day, on January 28, we thought we’d whittle th...
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Are free VPNs safe? What you need to know when choosing free vs. paid VPN
A VPN is meant to protect your privacy, encrypt your data, and keep your online activity secure. But are free VPNs safe? The reality is that many come with VPN security risks that can expose your info...
Tips & tricks
