People search Valve data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 Valve-linked incidents, with headline counts up to 35 in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Valve breach history matters
Valve operates in Technology (United States). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2011 — — 35M records
Cataloged incident. Hacked. 35M records. Exposed categories include Names, emails, addresses, and other PII. BreachHistory cites approximately 350 affected records in this row. See the valve2011 and canonical BreachHistory entry.
2007 — — Valve: A hacker accessed customer information that was…
Unverified claim — treat actor counts cautiously. A hacker accessed customer information that was stored on the website. Thousands of customers had their information exposed, and the hacker posted some customer credit card information. The hacker claims to have gained access by utilizing login details that were easily found by browsing. Valve asset information was also exposed. Exposed categories include Personal information. No attested victim count is published for this row yet. See the valve2007 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Valve catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Valve company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/valve · Latest: valve2011.
Sources: BreachHistory catalog (2 rows for Valve), company and regulator disclosures cited in individual breach records.