First Sonora Bancshares, Inc.

The Maine Office of the Attorney General reported that Sonora Bank experienced a data breach due to unauthorized access to an employee's email account from June 1, 2020, to August 10, 2020. The breach affected 10,551 individuals, with 3 residents specifically from Maine. The breach was discovered on September 25, 2020.

Source: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d951378d-2c2a-47d0-a8f8-74bd124d14b4.shtml

TPRM report: https://www.rankiteo.com/company/sonorabank

"id": "son1031072525",
"linkid": "sonorabank",
"type": "Breach",
"date": "6/2020",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"

{'affected_entities': [{'customers_affected': 10551,
                        'industry': 'Banking',
                        'name': 'Sonora Bank',
                        'type': 'Financial Institution'}],
 'attack_vector': 'Unauthorized Access',
 'data_breach': {'number_of_records_exposed': 10551,
                 'type_of_data_compromised': 'Email Data'},
 'date_detected': '2020-09-25',
 'description': "Unauthorized access to an employee's email account at Sonora "
                'Bank affected 10,551 individuals, including 3 residents from '
                'Maine.',
 'impact': {'data_compromised': 'Email Data',
            'systems_affected': 'Email System'},
 'initial_access_broker': {'entry_point': 'Email Account'},
 'references': [{'source': 'Maine Office of the Attorney General'}],
 'title': 'Sonora Bank Data Breach',
 'type': 'Data Breach',
 'vulnerability_exploited': 'Email Account Compromise'}