People search NMBS data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 4 NMBS-linked incidents, with headline counts up to 1.5M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why NMBS breach history matters
NMBS operates in Technology. Across indexed rows, recurring themes include cloud and database misconfiguration. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2018 — — NMBS: Data stored on a non-secure server, making it…
Cataloged incident. Dec 2018. Data stored on a non-secure server, making it possible to access names, gender, DOB, email and postal address data of customers externally by means of a simple search engine query. Most of the data belong to customers in Belgium, France and the UK, including thousands of Commission and Parliament employees. Caused, the NMBS said, by a data worker “clicking on the wrong button”. BreachHistory cites approximately 1.5M+ affected records in this row. See the nmbs2018 and canonical BreachHistory entry.
2018 — — NMBS: Poor security / misconfiguration, 700,000 records
Cataloged incident. Customer names, gender, birth dates, email and postal address data were left on a publicly searchable server belonging to the Belgian rail authority. Exposed categories include Personal and demographic data. BreachHistory cites approximately 700K+ affected records in this row. See the nmbs2018-iib and canonical BreachHistory entry.
2013 — — NMBS: Data breach reported, 1.5M records
Cataloged incident. Data breach reported. Reference: http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-//EP//TEXT+WQ+E-2013-001939+0+DOC+XML+V0//EN&language=nl BreachHistory cites approximately 1.5M+ affected records in this row. See the nmbs2013 and canonical BreachHistory entry.
2010 — — NMBS: Data stored on a non-secure server, making it…
Cataloged incident. Data stored on a non-secure server, making it possible to access names, gender, DOB, email and postal address data of customers externally by means of a simple search engine query. Most of the data belong to customers in Belgium, France and the UK, including thousands of Commission and Parliament employees. Caused, the NMBS said, by a data worker “clicking on the wrong button”. BreachHistory cites approximately 1.5M+ affected records in this row. See the nmbsu and canonical BreachHistory entry.
Patterns and analysis
- Cloud and database misconfiguration — appears across multiple NMBS 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 NMBS company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/nmbs · Latest: nmbs2018.
Sources: BreachHistory catalog (4 rows for NMBS), company and regulator disclosures cited in individual breach records.