Unimicron Technology Corporation

Unimicron Technology Corporation, a Taiwanese printed circuit board (PCB) manufacturer, is a vital player in the semiconductor and electronics industries, supplying to notable companies like Apple and Intel. The subsidiary Unimicron Technology (ShenZhen) experienced a ransomware attack on January 30, 2025, attributing to the Sarcoma ransomware group. Sarcoma claims to have stolen 377 GB of sensitive SQL files and documents, threatening to release the data barring the payment of a ransom. While Unimicron has acknowledged the ransomware attack, it has not confirmed a data breach and is actively working on recovery and information security enhancement.

Source: https://securityaffairs.com/174159/cyber-crime/sarcoma-ransomware-claims-the-theft-of-sensitive-data-from-pcb-maker-unimicron.html

TPRM report: https://scoringcyber.rankiteo.com/company/unimicron-germany

"id": "uni000021425",
"linkid": "unimicron-germany",
"type": "Ransomware",
"date": "2/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"

{'affected_entities': [{'industry': 'Semiconductor and Electronics',
                        'location': 'Taiwan',
                        'name': 'Unimicron Technology Corporation',
                        'type': 'Company'}],
 'data_breach': {'data_exfiltration': '377 GB',
                 'file_types_exposed': ['SQL files', 'documents'],
                 'type_of_data_compromised': 'Sensitive SQL files and '
                                             'documents'},
 'date_detected': '2025-01-30',
 'description': 'Unimicron Technology Corporation, a Taiwanese printed circuit '
                'board (PCB) manufacturer, is a vital player in the '
                'semiconductor and electronics industries, supplying to '
                'notable companies like Apple and Intel. The subsidiary '
                'Unimicron Technology (ShenZhen) experienced a ransomware '
                'attack on January 30, 2025, attributing to the Sarcoma '
                'ransomware group. Sarcoma claims to have stolen 377 GB of '
                'sensitive SQL files and documents, threatening to release the '
                'data barring the payment of a ransom. While Unimicron has '
                'acknowledged the ransomware attack, it has not confirmed a '
                'data breach and is actively working on recovery and '
                'information security enhancement.',
 'impact': {'data_compromised': '377 GB of sensitive SQL files and documents'},
 'motivation': 'Ransom',
 'ransomware': {'data_exfiltration': '377 GB', 'ransomware_strain': 'Sarcoma'},
 'response': {'recovery_measures': 'Recovery and information security '
                                   'enhancement'},
 'threat_actor': 'Sarcoma ransomware group',
 'title': 'Ransomware Attack on Unimicron Technology Corporation',
 'type': 'Ransomware'}