HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedDelayed DiscoveryHealth (basic)Identity (basic)Government IDPHIPIIMediumContained

Bieser Greer & Landis, LLP

bd_97cc2eaad457efd2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jan 13, 2026

To disclose

—

Affected

1state residents only

Confidence

67%

Full breach record for Bieser Greer & Landis, LLP →

Bieser Greer & Landis, LLP notified Massachusetts residents on January 8, 2026, that an unauthorized actor gained access to firm email accounts. A forensic investigation and manual document review concluded on December 11, 2025, that some personal and protected health information (PHI) was contained in the accessed data. The firm engaged external cybersecurity professionals and is offering complimentary identity theft protection services. No specific discovery date for the initial unauthorized access was provided in the notice.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Jan 13, 2026

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Bieser Greer & Landis, LLP
norm: bieser greer landis

Name: Bieser Greer & Landis, LLP
norm: bieser greer landis
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Jan 8, 2026
Affected individuals: 1state-resident count only
Data types: Health (basic)Identity (basic)Government IDPHIPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External

During the incident: Immediately began efforts to remediate the issue
Commenced a prompt and thorough investigation
Working closely with external cybersecurity professionals experienced in handling these types of incidents
Conducted extensive forensic investigation and manual document review
Changes made: Offering complimentary identity theft protection services through IDX, A ZeroFox Company
Continually evaluate and modify practices and internal controls to enhance the security and privacy of information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/2026-53-bieser-greer-landis-llp/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 13, 2026
Raw hash: 0b99bcb897e71d3519263f491c04e240c09d2b885c1c69858e33307b9e860840

Reporting entityBieser Greer & Landis, LLP

Victim entityBieser Greer & Landis, LLP

IncidentUnauthorized Access

Stated responseImmediately began efforts to remediate the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov