Everyone has their own threat models, so I don't want to make broad, sweeping recommendations here, but if you use Protonmail to talk to sources, you should read this story.
The way Protonmail handled this whole thing is quite bad. No transparency, dismissing the story as being "blown out of proportion."
https://theintercept.com/2025/09/12/proton-mail-journalist-accounts-suspended/
Lorenzo Franceschi-Bicchierai
npub1xv…0ksg7
2025-09-15 17:53:24 UTC
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npub1xvwy4g0lns9cn5s8rjnc6xm2adfjumtl3rgek5wndcpmtshsk9lsq0ksg7Seen on
wss://relay.momostr.pinkPublished at
2025-09-15 17:53:24 UTCEvent JSON
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