Tokio Marine

In August 2021, Tokio Marine Insurance Singapore Ltd. (TMiS), a subsidiary of the Tokio Marine Group, experienced a ransomware attack. The intrusion was detected early, prompting immediate containment measures, including network isolation to prevent further spread. Authorities were notified, and an external cybersecurity team was engaged to investigate and restore system integrity. Despite the attack, no evidence was found of customer data breaches or leaks of confidential company information. The incident remained localized to TMiS, with no reported impact on other entities within the Tokio Marine Group. The swift response mitigated potential damage, ensuring no financial, reputational, or operational consequences beyond the initial intrusion.

Source: https://www.tokiomarinehd.com/en/newsroom/release/k82ffv000000az4g-att/20210816_e.pdf

TPRM report: https://www.rankiteo.com/company/tokio-marine-holdings

"id": "tok308092125",
"linkid": "tokio-marine-holdings",
"type": "Ransomware",
"date": "8/2021",
"severity": "50",
"impact": "1",
"explanation": "Attack without any consequences"

{'affected_entities': [{'customers_affected': 'none',
                        'industry': 'insurance',
                        'location': 'Singapore',
                        'name': 'Tokio Marine Insurance Singapore Ltd. (TMiS)',
                        'type': 'subsidiary'}],
 'data_breach': {'number_of_records_exposed': '0',
                 'type_of_data_compromised': 'none'},
 'date_detected': 'August 2021',
 'description': 'In August 2021, Tokio Marine Insurance Singapore Ltd. (TMiS), '
                'a subsidiary of the Tokio Marine Group, fell victim to a '
                'ransomware attack. The company detected the intrusion '
                'promptly and took swift action, including isolating its '
                'network to contain the threat and prevent further damage. '
                'Authorities were notified immediately, and an investigation '
                'was launched. Tokio Marine engaged external cybersecurity '
                'experts to assess the impact and ensure the integrity of its '
                'systems. Fortunately, no evidence of customer data breaches '
                'or leaks of confidential company information was found. The '
                'attack was confined solely to TMiS, with no impact reported '
                'on other Tokio Marine Group entities.',
 'impact': {'data_compromised': 'none'},
 'investigation_status': 'completed (no evidence of data breach found)',
 'response': {'containment_measures': ['network isolation'],
              'incident_response_plan_activated': True,
              'law_enforcement_notified': True,
              'third_party_assistance': True},
 'title': 'Ransomware Attack on Tokio Marine Insurance Singapore Ltd. (TMiS)',
 'type': 'ransomware'}