HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Government IDFinancial accountMediumContained

BANCO POPULAR DE PUERTO RICO

bd_49e3f25b67f36103 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 24, 2023

Filed

Aug 7, 2023

To disclose

14 days

Affected

5state residents only

Linked

4 filings

Confidence

66%

Full breach record for BANCO POPULAR DE PUERTO RICO →3 incidents on file

Banco Popular de Puerto Rico notified customers that PwC, its auditor, suffered a MOVEit transfer software breach. PwC's investigation on July 24, 2023, confirmed customer data (name, SSN, mortgage info) was compromised. Popular is offering two years of Equifax credit monitoring.

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Incident timeline

discovery → filing · 14 days

Jul 24, 2023

Discovered

Aug 7, 2023

Filed

vs. sector median

7 wks faster

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

Massachusetts State AGbd_7668e1ece4ba35e42023-08-11 · +4dVerified
Maine State AGbd_0417c1050d3cb53f2023-08-14 · +7dVerified
New Hampshire State AGbd_4474c8a7818430542023-08-21 · +14dVerified

Name: BANCO POPULAR DE PUERTO RICO
norm: banco popular de puerto rico-pr
Domain: popular.com

Name: BANCO POPULAR DE PUERTO RICO
norm: banco popular de puerto rico-pr
Domain: popular.com
Industry: Financial Servicesllm

Discovered: Jul 24, 2023
Materiality determined: —
Notification sent: Aug 1, 2023
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via PricewaterhouseCoopers (PwC)
Initial access: supply_chain

During the incident: PwC immediately launched an investigation and ceased using the impacted software
Arranged for free, two-year credit monitoring service with Equifax
Changes made: Ceased using the impacted MOVEit software
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 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 · 4 states

View merged incident ↗

Montana State AGAug 7 · first · this page

Massachusetts State AG+4d

Maine State AG+7d

New Hampshire State AG+14d

Pattern: first filing Aug 7 (MT), last Aug 21 (NH) — a 14-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-527.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2023
Raw hash: a2131b563a4039d4760274ff0545ada7c72baebf19ee79aead6dc0cd0b7400fa

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBANCO POPULAR DE PUERTO RICO

Victim entityBANCO POPULAR DE PUERTO RICO

Incidentdiscovered Jul 24, 2023

Stated responsePwC immediately launched an investigation and ceased using the impacted software

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov