Stuga Machinery

Stuga Machinery is a United Kingdom-based manufacturer of machinery and industrial equipment. It is a small-to-medium enterprise operating in the UK manufacturing sector. On 5 June 2026, Stuga Machinery was posted as a victim on the INC_RANSOM ransomware group's dark-web leak site, making it the only publicly confirmed in-window UK ransomware victim identified in the BlackFog May 2026 ransomware tempo report. A leak-site posting asserts that the group has exfiltrated data from the target and is using the threat of data publication as leverage to compel a ransom payment.

The posting illustrates the structural exposure of UK SME manufacturers, a sector that faces the same ransomware threat landscape as large enterprises but typically lacks dedicated security operations capacity. Manufacturing's appeal to ransomware crews reflects its sensitivity to operational downtime: production disruptions translate directly into revenue loss and contract penalties, creating financial pressure to pay quickly. The ICO's notification Deadline of 72 hours under UK GDPR Article 33 applies if personal data has been compromised, and INC_RANSOM's exfiltration claims suggest this threshold has been met.

Publicly available information about Stuga Machinery's specific production lines, employee count and customer base is limited. No public statement from the company had been issued as of the briefing date. UK GDPR and UK NCSC guidance on ransomware response apply; UK businesses in the manufacturing sector are advised to review NCSC's guidance on defending against ransomware and to notify the ICO where personal data may have been exfiltrated.