HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Brown Brothers Harriman & Co

bd_debebf402777b267 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 4, 2022

Filed

May 11, 2022

To disclose

10 weeks

Affected · nationwide

2,80034 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Brown Brothers Harriman & Co →9 incidents on file

Brown Brothers Harriman & Co. (BBH) reported a data breach involving its third-party vendor, R.R. Donnelley. In December 2021, RRD experienced a systems intrusion. In March 2022, RRD informed BBH that an unauthorized party had extracted certain BBH files containing client names, addresses, Social Security numbers, and account numbers. BBH notified affected individuals, including 34 Maine residents, and provided 36 months of credit monitoring and identity restoration services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 4, 2022 → Filed with AG May 11, 202268d ⏱ ME AG >30d10 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 71 days

discovery → filing · 10 weeks / 68 days

Dec 23, 2021

Begins

Mar 4, 2022

Discovered

May 11, 2022

Filed

vs. sector median

on median

This filing is one of 5 about the same incident.View merged incident

Part of R. R. DONNELLEY & SONS COMPANY supply-chain incident (2022) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_65ac691fa66c3f102022-05-11Candidate
Massachusetts State AGbd_6c6907641aea0fa22022-05-11Verified
New Hampshire State AGbd_5356339cda8f7cbb2022-05-16 · +5dVerified
Indiana State AGbd_c378eb3c17cb7c3f2022-05-23 · +12dVerified

Name: Brown Brothers Harriman & Co
norm: brown brothers harriman

Name: Brown Brothers Harriman & Co
norm: brown brothers harriman
Industry: Financial Servicesllm

Discovered: Mar 4, 2022
Breach occurred: Dec 23, 2021
Undetected for: 71 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 23, 2022
Affected individuals: 2,800state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Third party: via R.R. Donnelley & Sons Company
Initial access: supply_chain

During the incident: BBH took steps to determine its nature and scope, including reviewing the affected files to determine what, if any, personal information was contained within the files
BBH has arranged to provide the affected individuals with thirty-six (36) months of identity restoration and credit monitoring services at no cost to them
Changes made: Provided 36 months of identity restoration and credit monitoring services through Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 days from discovery to filing)
Compliance flags: ME AG >30d · 68dME resident >60d · 80d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 4, 2022
→ Filed with AG: May 11, 2022
68d 30 days (soft) ME AG >30d
Maine
Discovered: Mar 4, 2022
→ Notified: May 23, 2022
80d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 4, 2022 → Filed with AG: May 11, 2022	68d	30 days (soft)	ME AG >30d
Maine	Discovered: Mar 4, 2022 → Notified: May 23, 2022	80d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGMay 11 · first

Massachusetts State AGMay 11 · first

Maine State AGMay 11 · first · this page

New Hampshire State AG+5d

Indiana State AG+12d

Pattern: first filing May 11 (MT), last May 23 (IN) — a 12-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/c86b6f24-9c0f-4f5a-a108-85069069bb59.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 11, 2022
Raw hash: 3ac1c2c35f05491f70f9dba02318ca4a3494bd9fc1a415c4d623c66bf6d9464a

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBrown Brothers Harriman & Co

Victim entityBrown Brothers Harriman & Co

Incidentdiscovered Mar 4, 2022

Stated responseBBH took steps to determine its nature and scope, including reviewing the affected files to determine what, if any, personal information was contained within the files

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov