The removal of end-to-end encryption from Instagram direct messages by May 8, 2026, has inevitably drawn attention to Signal — the independent encrypted messaging app that has long been the gold standard for private communication. Understanding why Signal exists, what it offers, and how it differs from Instagram is valuable context for users rethinking their messaging platform choices after Meta’s decision.
Signal was created specifically to provide secure, private messaging as a public good rather than a commercial service. It is operated by a nonprofit foundation, funded through donations and grants rather than advertising revenue. This structure eliminates the commercial incentive that drives advertising-based platforms toward greater data access — Signal has no financial reason to access user message content.
Signal’s encryption is end-to-end by default for all communications — messages, voice calls, and video calls. The encryption is open-source, meaning that independent security researchers can and do verify its implementation. Signal collects minimal metadata — the company has demonstrated in legal proceedings that it has very little user data to provide, even when legally required to do so.
The contrast with Instagram after May 8 is stark. Instagram is operated by Meta, whose primary revenue is advertising. Its DMs will no longer be end-to-end encrypted. Meta has financial incentives to use message data that Signal does not have. And Instagram’s encryption was opt-in for a brief period before being removed; Signal’s encryption is universal, default, and permanent.
For users who are considering their options after Instagram’s encryption removal, Signal’s model — privacy as a foundational commitment rather than a product feature — represents the alternative that Instagram has moved furthest away from. The existence of Signal is itself an argument that meaningful privacy on a messaging platform is technically achievable; the question is whether commercial platforms will choose to provide it.