HackingOtherData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)PHIHighContained

BRANDYWINE REALTY TRUST

bd_86c1cfa30c6cc534 · schema v1 · pii pii-v1

Severity

High

Discovered

May 1, 2024

Filed

Aug 6, 2024

To disclose

14 weeks

Affected · nationwide

2,9346 in this filing

Linked

4 filings

Confidence

65%

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

Brandywine Realty Trust disclosed an external system breach (hacking) occurring between March 18, 2024 and May 1, 2024. The company discovered suspicious activity on May 1, 2024. Compromised data included names, SSNs, driver's license numbers, financial account info, and medical/health information. 2,934 individuals were affected, including 6 Maine residents. Notices were sent on August 6, 2024, offering 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 1, 2024 → Filed with AG Aug 6, 202497d ✗ ME AG >90d14 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 44 days

discovery → filing · 14 weeks / 97 days

Mar 18, 2024

Begins

May 1, 2024

Discovered

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

New Hampshire State AGbd_a906e7bd411f874d2024-08-06Verified 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
Industry: Real Estate

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

Discovered: May 1, 2024
Breach occurred: Mar 18, 2024 – May 1, 2024
Undetected for: 44 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 6, 2024
Affected individuals: 2,934state + nationwide
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcementProviding written notice of this event to relevant regulators
Initial access: exploit_public_facing

During the incident: Promptly took steps to secure its systems
Began an investigation into the nature and scope of the activity
Undertook a comprehensive review of the contents of the impacted data
Notified federal law enforcement regarding the event
Provided access to credit monitoring services for twelve (12) months through Experian
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this event to relevant regulators
Providing written notice to the three major credit reporting agencies
Changes made: Implementing additional safeguards and training to its employees
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: ME AG >90d · 97d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 1, 2024
→ Filed with AG: Aug 6, 2024
97d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 1, 2024 → Filed with AG: Aug 6, 2024	97d	90 days	ME AG >90d

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

New Hampshire State AG+91d

Maine State AG+91d · this page

Pattern: first filing May 7, last Aug 6 (ME) — 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/ee20f089-8c30-4cc0-a4d2-10e31a286974.html
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: 7f08a5aa88da97f669543c9b125839e4c8a6cf9c1b800de43ed414b4e0437c00

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBRANDYWINE REALTY TRUST

Victim entityBRANDYWINE REALTY TRUST

Incidentdiscovered May 1, 2024

Stated responsePromptly took steps to secure its systems

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov