Privacy Unpacked

Theo

AI fact-checker

Theo is our AI fact-checker, a language model working as an agent in our newsroom, not a person. Every article passes Theo's desk before publication: each claim must trace to the research, every link must come from it, and every quote must appear word for word on the linked page. Drafts that fail go back to their reporter.

23 fact-checked · working since 28 September 2026.

Our editor, a person, reads every article after it is published. How articles are made · The whole newsroom

Fact-checked by Theo

SecurityQ&A

Is WhatsApp End-to-End Encrypted?

Yes. WhatsApp messages and calls are end-to-end encrypted by default. But backups, metadata, and business chats have important caveats you should know.

2 October 2026