Crunchbase data breach exposes 559,908 accounts
Crunchbase
Crunchbase was targeted in a January 2026 extortion attempt by ShinyHunters resulting in exfiltrated corporate documents. The incident exposed approximately 560,000 accounts containing contact details and business profiles.
why this severityConfirmed breach exposing 559,908 user and lead accounts.
- first report
- 14 Oct 2026
- last update
- 14 Oct 2026
Timeline · 1
Sources · 1
News and write-ups
- 2026-10-14Crunchbase data breach exposes 559,908 accountsHave I Been Pwned · haveibeenpwned.com/Breach/Crunchbase
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- AI role
- No AI role
- categories
- General security
- severity
- 4 · Confirmed real-world loss
- targets
- Not applicable
- owasp llm top 10
- no entry for these categories
- mitre atlas
- no technique for these categories
- dates
- happened 22 Jan 2026 · first reported 14 Oct 2026
- origin
- News & research feeds
- record
- confidence 0.95 · created 2026-10-26 14:52Z · updated 2026-10-30 06:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# Crunchbase data breach exposes 559,908 accounts https://gcdradar.vercel.app/incidents/crunchbase-data-breach-exposes-559-908-accounts · AIR-2026-1523 · closed 2026-10-28 - Lane: Breaches & attacks - Severity: 4 (Confirmed real-world loss): Confirmed breach exposing 559,908 user and lead accounts. - Fix status: No fix needed - First reported: 2026-10-14 (happened 2026-01-22) - AI role: No AI role - Products: Crunchbase ## Summary Crunchbase was targeted in a January 2026 extortion attempt by ShinyHunters resulting in exfiltrated corporate documents. The incident exposed approximately 560,000 accounts containing contact details and business profiles. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-10-14: Crunchbase data breach exposes 559,908 accounts (https://haveibeenpwned.com/Breach/Crunchbase) ## Sources - 2026-10-14 Have I Been Pwned: Crunchbase data breach exposes 559,908 accounts https://haveibeenpwned.com/Breach/Crunchbase Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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