Bieser Greer Reports Data Breach Impacting Sensitive Personal Information
Bieser Greer, a legal services firm, recently disclosed a data breach to the Massachusetts Attorney General after detecting unauthorized access to its email accounts. The incident, discovered during an internal investigation, revealed that an unauthorized third party may have accessed sensitive personally identifiable information (PII) stored in the compromised emails.
The exposed data varies by individual but includes names and Social Security numbers. Following the breach, Bieser Greer conducted a review to identify affected parties and determine the scope of the compromise.
On January 8, 2026, the firm began notifying impacted individuals via mail, providing details on the specific information exposed and offering complimentary credit monitoring services. The breach notice filed with Massachusetts authorities confirms the nature of the incident and the steps taken in response.
Source: https://straussborrelli.com/2026/01/15/bieser-greer-landis-data-breach-investigation/
Bieser, Greer & Landis, LLP cybersecurity rating report: https://www.rankiteo.com/company/bieser-greer-&-landis-llp
"id": "BIE1768494292",
"linkid": "bieser-greer-&-landis-llp",
"type": "Breach",
"date": "1/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Legal Services',
'location': 'United States',
'name': 'Bieser Greer',
'type': 'Law Firm'}],
'attack_vector': 'Email Compromise',
'customer_advisories': 'Mailed data breach notification letters to impacted '
'individuals with details of the breach and '
'complimentary credit monitoring services',
'data_breach': {'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Name',
'Social Security number']},
'date_publicly_disclosed': '2026-01-08',
'description': 'Bieser Greer reported a data breach where an unauthorized '
'actor gained access to its email accounts, potentially '
'compromising sensitive personal identifiable information.',
'impact': {'data_compromised': 'Sensitive personal identifiable information',
'identity_theft_risk': 'High',
'systems_affected': 'Email accounts'},
'initial_access_broker': {'entry_point': 'Email accounts'},
'investigation_status': 'Completed',
'recommendations': 'Providing affected individuals with complimentary credit '
'monitoring services',
'references': [{'source': 'Attorney General of the Commonwealth of '
'Massachusetts'}],
'regulatory_compliance': {'regulatory_notifications': 'Filed breach '
'notification with the '
'Attorney General of '
'the Commonwealth of '
'Massachusetts'},
'response': {'communication_strategy': 'Mailed data breach notification '
'letters to impacted individuals'},
'threat_actor': 'Unauthorized Actor',
'title': 'Bieser Greer Data Breach',
'type': 'Data Breach'}