Guest article by Jaime Escuder
If you read the Threema blog, you’re probably someone who understands the value of end-to-end encryption to protect your communication and your messages. But did you know that metadata can reveal more about you than the actual message content?
Every message that you send leaves a trail of so-called metadata. This can include a record of extensive information of who you talk to, your online status, and the composition of your groups. It can even be used to determine where you are when your messages are sent.
Not only companies and social networks know that this information is of utmost value. Also governments and hackers know that metadata can be used to learn intimate things about you, which is why metadata surveillance has become routine. In fact, in 2013 the Guardian reported on the United States’ National Security Agency’s massive metadata collection program.