Fulcrumsec

Ransomware Group Profile

Overview

FulcrumSec is a data extortion group active since approximately September 2025, specializing in high-speed exfiltration of cloud-hosted databases by exploiting unrotated API keys and misconfigured cloud permissions rather than deploying encryption, with known victims including Australian fintech youX and LexisNexis.

Dark Web Infrastructure (5)
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fulcrumsec.net
4e3p3in2bl67hxchuwza7qvnpe7pyeloyztr5fnh257fxkovfhappjyd.onion
fulcrumsec.net/shame
4e3p3in2bl67hxchuwza7qvnpe7pyeloyztr5fnh257fxkovfhappjyd.onion/shame
Activity Timeline
First Seen2025
Last Seen2025
Leak Sites5
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