# Security Timeline — The Steam Dossier

Timeline of Valve security incidents, policy updates and enforcement actions from 2018 to 2026, with evidential grading.

Reading edition: 18 October 2026. Language: English.

- [Live article](https://phishdestroy.io/steam_dossier/security_timeline)
- [Current PDF](https://phishdestroy.io/steam_dossier/exports/reading-2026-10-18/en/security_timeline.pdf)
- [Article JSON](https://phishdestroy.io/steam_dossier/exports/reading-2026-10-18/en/security_timeline.content.json)
- [JSON signature](https://phishdestroy.io/steam_dossier/exports/reading-2026-10-18/en/security_timeline.content.json.asc)
- [Full text](https://phishdestroy.io/steam_dossier/security_timeline/llms-full.txt)
- [Reading library and verification](https://phishdestroy.io/steam_dossier/reading_files)

The signature binds the exported text and recorded PDF digest. It does not independently authenticate third-party evidence or determine the merits of the article’s claims.