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Recent Breaches › Threat actors › Fulcrumsec

Threat actor

Fulcrumsec

Fulcrumsec is a ransomware / data-extortion group tracked on public leak-site monitors. The breaches below are victims it has publicly claimed.
28tracked breaches
3linked methods

Methods used

Ransomware 28Data Extortion & Leaks 28Misconfiguration & Exposed Data 2

Breaches linked to Fulcrumsec

May 1, 2026HIGH

MCO Listed by Fulcrumsec Ransomware Group

Fulcrumsec Ransomware
May 1, 2026HIGH

BookBlock Listed by Fulcrumsec Ransomware Group

Fulcrumsec Ransomware
May 1, 2026HIGH

youX / Drive IQ Listed by Fulcrumsec Ransomware Group

Fulcrumsec Ransomware
Showing 26–28 of 28
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Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.