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Promtransbank Data Breaches: Full Timeline Through 2026

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People search Promtransbank data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Promtransbank-linked incident. This page maps every attested event through 2026 with internal links to canonical records.

Why Promtransbank breach history matters

Promtransbank operates in Finance (Russia). Across indexed rows, recurring themes include cloud and database misconfiguration, unverified actor or scraping claims. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.

Full timeline through 2026

2023 — ESIA data exposure

Cataloged incident. Contractor error: Promtransbank saved ESIA (unified auth) data to public esia.log file. Data of loan applicants from Nov 2022 updated in real time. Hacker group exploited vulnerability. Exposed categories include ESIA authentication data, loan applicant info. No attested victim count is published for this row yet. See the promtransbank2023 and canonical BreachHistory entry.

Patterns and analysis

  • Cloud and database misconfiguration — appears across multiple Promtransbank catalog entries; prioritize controls that address this class of failure.
  • Unverified actor or scraping claims — appears across multiple Promtransbank 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

  1. Step 1: Enable phishing-resistant MFA on every account tied to this brand.
  2. Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
  3. Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
  4. Step 4: Bookmark the Promtransbank company page for new 2026+ disclosures.

Canonical BreachHistory hub

Explore every indexed row: breachhistory.com/promtransbank · Latest: promtransbank2023.

Sources: BreachHistory catalog (1 row for Promtransbank), company and regulator disclosures cited in individual breach records.