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threat actor

FulcrumSec

7 stories · 4 in the wild · June 18, 2026 – September 12, 2026

evidence: 4 observed · 3 claimed

how they got in

  • stolen credentials 1 · Jun 21

sectors

  • transport 3 · Sep 3
  • healthcare 3 · Jun 21
  • manufacturing 1 · Jun 21

geography

  • united kingdom 2 · Sep 3
  • uk 1 · Sep 2
  • denmark 1 · Jun 18

techniques

  • data exfiltration 2 · Sep 3
  • credential access 2 · Sep 2
  • credential theft 1 · Sep 12
  • exfiltration 1 · Jun 21
  • exposed credentials 1 · Jun 19

attack phases seen

  • Exfiltration 4 · Sep 3
  • Initial access 3 · Sep 12
  • Credential access 2 · Sep 2
  • Collection 1 · Sep 2
  • Impact 1 · Jun 18

what we reported, newest first, grouped by story

September 12, 2026

  • FulcrumSec says exposed GitHub tokens opened Novo Nordisk’s environment. DataBreachToday reports that the extortion group claims credentials embedded in client-side JavaScript provided initial access. It later released more than 1 TB of stolen data after the Danish company refused payment. The access narrative remains an operator claim rather than independently verified forensics. · Sep 12 · claimed · Cloud & Identity

Aug 28 – September 3, 2026 · 3 reports

  • Fulcrumsec published its Manchester Airports Group haul — just over 500GB, covering 8.7 million people and far broader than the guest Wi-Fi data initially implied, with a list of other organisations the group is trying to extort now posted alongside it (BBC, @GossiTheDog) (earlier coverage). (discussion) · Sep 3 · observed · Breaches & Leaks
  • Manchester Airports Group's 8.7-million-record breach traces to API keys committed into frontend JavaScript. Kevin Beaumont verified the exposure from web archives and reports FulcrumSec has now released over 500 GB — far broader than the guest Wi-Fi data initially implied (Kevin Beaumont). The operationally interesting part: he's watching FulcrumSec mass-harvest .js files and run them through automated credential scanners at scale — plain automation, not GenAI (Beaumont on FulcrumSec's method) (earlier coverage) (discussion). · Sep 2 · observed · Breaches & Data Exposure
  • FulcrumSec claims 86 GB from Manchester Airports Group, and BleepingComputer validated one traveller record — with samples showing customer, booking and travel detail beyond what MAG initially disclosed (BleepingComputer) (earlier coverage). · Aug 31 · observed · Threat Activity

Jun 17 – June 21, 2026 · 3 reports

  • Novo Nordisk is the subject of a breach claim by FulcrumSec, which says it stole 1.3 TB — including proprietary research and credentials — via a leaked GitHub token, demanding $25M and exposing the company's software development pipeline (SecurityWeek, Dark Reading). · Jun 21 · claimed · via stolen credentials · Data Breaches
  • Novo Nordisk was breached after FulcrumSec found a GitHub token left in a repo for two months, ultimately exfiltrating 1.3TB including unreleased drug formulas and internal AI models; the company refused a $25M extortion demand and the data is now being sold (Dark Reading, SecurityWeek). A clean reminder that secrets management is an identity problem, not a tooling one. · Jun 19 · observed · Threat Activity & Intrusions
  • Novo Nordisk (Danish pharma giant) confirmed a breach in which FulcrumSec claims 1.3TB exfiltrated and a $25M ransom — notably including the company's internal AI assets: a 16GB trained model checkpoint, proprietary training data, full pipeline source (modeling_novopert.py), 113 training-run logs, and HPC/Slurm/SSH infrastructure maps. A concrete example of AI model/IP theft as an extortion payload (SecurityWeek, vx-underground). · Jun 18 · claimed · Data Breaches (Nordic emphasis)