PGP: Defining Pretty Good Privacy & How PGP Encryption Works
Journalists and those with intense security demands often use PGP. Unfortunately, terrorists use the technology too. But anyone who wants to keep private conversations private could benefit from investing in the technology.
Experiment with tools and see which offers the benefits you need at a price you're willing to pay.
Some PGP encryption tools offer certificates to verify the authenticity of keys and their owners. Different levels of certificates exist, with level 0 meaning that only the key is certified and level 1 meaning both the owner and the key are verified.
Yes. Some advocates believe in a so-called "circle of trust," in which web users know one another and can verify message authenticities quickly. If plenty of people accept PGP technologies, keys will be widely shared and saved. That could help to eliminate the Zero Trust model.