Northern Technologies International Corp. Hit by Ransomware Attack, Exposing Sensitive Data
Northern Technologies International Corp. (NTIC), a Minnesota-based specialty chemicals company, recently disclosed a data breach linked to a ransomware attack on its network. The incident occurred between February 13 and 18, 2026, when an unauthorized actor accessed and exfiltrated files from NTIC’s systems.
On February 26, 2026, the ransomware group Chaos claimed responsibility, asserting it had stolen 400 GB of data. NTIC later confirmed on June 5, 2026, that the breach exposed sensitive personal information, including full names, Social Security numbers, and driver’s license numbers of affected individuals. The company did not disclose the total number of people impacted.
NTIC began notifying affected individuals on June 26, 2026, and posted a public notice detailing the incident. As part of its response, the company is offering complimentary credit monitoring services to those whose Social Security numbers were compromised. A dedicated call center (844-959-7132) was also established to assist affected parties.
Source: https://www.claimdepot.com/data-breach/northern-technologies-international-corporation-2026
Northern Technologies International Corporation ("NTIC") cybersecurity rating report: https://www.rankiteo.com/company/northern-technology-international-corporation-ntic
"id": "NOR1782743519",
"linkid": "northern-technology-international-corporation-ntic",
"type": "Ransomware",
"date": "2/2026",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Specialty Chemicals',
'location': 'Minnesota, USA',
'name': 'Northern Technologies International Corp. '
'(NTIC)',
'type': 'Corporation'}],
'customer_advisories': 'Complimentary credit monitoring services offered to '
'affected individuals',
'data_breach': {'data_exfiltration': 'Yes',
'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Full names',
'Social Security numbers',
'Driver’s license numbers']},
'date_detected': '2026-02-13',
'date_publicly_disclosed': '2026-06-05',
'description': 'Northern Technologies International Corp. (NTIC) disclosed a '
'data breach linked to a ransomware attack on its network. An '
'unauthorized actor accessed and exfiltrated files from NTIC’s '
'systems between February 13 and 18, 2026. The ransomware '
'group Chaos claimed responsibility and asserted it had stolen '
'400 GB of data. The breach exposed sensitive personal '
'information, including full names, Social Security numbers, '
'and driver’s license numbers.',
'impact': {'data_compromised': '400 GB of data',
'identity_theft_risk': 'High'},
'ransomware': {'data_exfiltration': 'Yes', 'ransomware_strain': 'Chaos'},
'references': [{'date_accessed': '2026-06-26',
'source': 'NTIC Public Notice'}],
'response': {'communication_strategy': 'Public notice and dedicated call '
'center (844-959-7132)'},
'threat_actor': 'Chaos',
'title': 'Northern Technologies International Corp. Ransomware Attack and '
'Data Breach',
'type': 'Ransomware'}