The-art-of-invisibility-_-the-world’s-most-famous-hacker-teaches-you-how-to-be-safe-in-the-age-of-Bi

using an end-to-end encryyption tool such as Signal. Or before messaging a
doctor through AOL, MSN Messenger, or Google Talk without OTR. Or
before sending a confidential e-mail without using PGP or GPG.
We can think proactivelyy about our information and realize that even if
what we’re doing with it feels benign—sharing a photograph, forgetting to
change default log-ins and passwords, using a work phone for a personal
message, or setting up a Facebook account for our kids—we’re actuallyy
making decisions that carryy a lifetime of ramifications. So we need to act.
This book is all about stayying online while retaining our precious
privacyy. Everyyone—from the most technologicallyy challenged to
professional securityy experts—should make a committed practice of
mastering this art, which becomes more essential with each passing dayy: the
art of invisibilityy.