People search Weibo data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Weibo-linked incident, with headline counts up to 538M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Weibo breach history matters
Weibo operates in Software (China). 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
2019 — 538M users, dark web sale
Cataloged incident. User database breached. Real names, usernames, gender, location, phone numbers. Sold for $250. Passwords not included. Exposed categories include Real names, usernames, gender, location, phones. BreachHistory cites approximately 538M+ affected records in this row. See the weibo2019 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Weibo 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: Bookmark the Weibo company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/weibo · Latest: weibo2019.
Sources: BreachHistory catalog (1 row for Weibo), company and regulator disclosures cited in individual breach records.