2FAWhen you get a login code for an account you don’t have
What to do if you receive a text with a two-factor authentication code from a service you’ve never registered for.
online services
9 articles
passwordsPassword storage as the cornerstone of security
How online services should store user passwords, and how to minimize the damage in the event of a leak or hack.
Internet
Selfie hunting: Think twice before confirming your identity
Scammers are interested in your photos with ID cards. We explain why and how to stay protected.
DEF CONHijacking online accounts through voicemail
When it comes to online accounts, voicemail is a major security hole. Here’s why.
quizQuiz: How much do you know about DDoS?
Do you know enough about DDoS attacks to ensure your company never faces one? Take our quiz and find out!
Kids’ toys have serious privacy problems
Think connected toys for kids are more secure than those for adults? Think again.
privacyDo your online photos respect your privacy?
Photo files typically contain additional data on shooting conditions, including a geotag. What happens to this data when the photo is published online?
Tracking airplanes: how Flightradar24 works
Flightradar24 allows you to track what’s happening to any particular aircraft taking a family member or friend to their destination. Let’s find out how this service works.