Signal encrypts messages, voice, and video by default. The protocol is open. WhatsApp uses a cousin of it. Sealed sender hides your identity from Signal’s servers on ordinary messages. Since 2023 the handshake also includes a post-quantum layer, PQXDH, so a recording of today’s traffic is harder to crack later with a future quantum machine. […]
Mailbox.org is Heinlein’s hosted office in Berlin: mail, calendar, contacts, cloud storage, and an office suite, under German privacy law. The webmail speaks OpenPGP. Anonymous payment works. Cheap plans still allow your own domain, which is rare. The interface is a tool, not a consumer app. Some of the better privacy switches sit in expert […]
Tuta, the service formerly called Tutanota, encrypts more than the body of the mail. Subject lines, the address book, and the calendar are encrypted with the product’s own open-source scheme. The company is in Germany. You can pay without handing over a name. Newer accounts get a post-quantum layer on Tuta-to-Tuta mail. That custom cryptography […]
Proton Mail is encrypted email that normal people finish setting up. Swiss company, apps on every platform, end-to-end encryption when both sides are on Proton, and OpenPGP if you want to write to someone who is not. You can open an account without a phone number. Mail that leaves Proton for Gmail is ordinary mail […]
Posteo is a paid mailbox in Germany, about one euro a month, on electricity they buy as green power. You can pay anonymously. They strip technical headers that would show your IP, they encrypt stored mail, and they will encrypt inbound mail from other providers when they can. There is no Posteo app. You use […]
Satellite phones, or satphones, have become indispensable tools for communication in areas where traditional cellular networks are unavailable or unreliable. These devices, which communicate directly with orbiting satellites, offer a lifeline for remote explorers, maritime workers, disaster response teams, and defense personnel. Despite their critical role in global communication, satphones are not immune to privacy […]
BellCrier breach check
Most people are, and never hear about it. BellCrier checks your email against known data breaches for free, then alerts you when it turns up in a new one, with exactly what leaked and how to fix it.
