HackingOtherCustomer Data InvolvedIdentity (basic)LowContained

BRANDYWINE REALTY TRUST

bd_a906e7bd411f874d · schema v1 · pii pii-v1

Severity

Low

Discovered

May 1, 2024

Filed

Aug 6, 2024

To disclose

14 weeks

Affected

1state residents only

Linked

4 filings

Confidence

65%

Full breach record for BRANDYWINE REALTY TRUST →2 incidents on file

Brandywine Realty Trust notified New Hampshire residents of a security incident where an unauthorized actor accessed data between March 18 and May 1, 2024. The breach affected one NH resident's name and basic PII. Brandywine detected the activity on May 1, 2024, notified law enforcement, and offered credit monitoring via Experian/Cyberscout.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 44 days

discovery → filing · 14 weeks / 97 days

Mar 18, 2024

Begins

May 1, 2024

Discovered

Jul 1, 2024

Scope determined

Aug 6, 2024

Filed

vs. sector median

+6 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_86c1cfa30c6cc5342024-08-06Verified by operator
SEC 8-Kbd_0bc387070c5ab1532024-05-28 · +70dVerified
SEC 8-Kbd_79f5ce124da11bbb2024-05-07 · +91dCandidate

Name: BRANDYWINE REALTY TRUST
norm: brandywine realty
Domain: brandywinerealty.com

Name: BRANDYWINE REALTY TRUST
norm: brandywine realty
Domain: brandywinerealty.com
Industry: Otherllm

Discovered: May 1, 2024
Breach occurred: Mar 18, 2024 – May 1, 2024
Undetected for: 44 daysoccurrence → discovery
Materiality determined: Jul 1, 2024
Notification sent: Aug 6, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified federal law enforcement regarding the eventproviding written notice of this event to relevant regulators, as necessary

During the incident: Moved quickly to investigate and respond to the event
Assess the security of Brandywine systems
Identify potentially affected individuals
Notified federal law enforcement regarding the event
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for , through Experian, to individuals whose personal information was affected by this event, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing individuals with information on how to place a fraud alert and security freeze on one’s credit file
Providing written notice of this event to relevant regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Implemented additional technical safeguards to help prevent a similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(97 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 2 states

View merged incident ↗

SEC 8-KMay 7 · first

SEC 8-K+21d

Maine State AG+91d

New Hampshire State AG+91d · this page

Pattern: first filing May 7, last Aug 6 (NH) — a 91-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/brandywine-realty-trust-20240806.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 6, 2024
Raw hash: 7ede1b1a179550b90dfe1cd4e1b4bb26ed7f71dfa1424ec954e5bd8111040ef5

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBRANDYWINE REALTY TRUST

Victim entityBRANDYWINE REALTY TRUST

Incidentdiscovered May 1, 2024

Stated responseMoved quickly to investigate and respond to the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov