HackingFinancial ServicesTechnologyFinanceVulnerability ExploitCapture Stored DataZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

PennyMac Loan Services, LLC

bd_5c5b03f9e2615787 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 30, 2023

Filed

Aug 28, 2023

To disclose

13 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

64%

Full breach record for PennyMac Loan Services, LLC →

Sovos Compliance, LLC, a vendor for PennyMac Loan Services, LLC, experienced a security incident on May 30, 2023, when unauthorized actors exploited a previously unknown vulnerability in Progress Software's MOVEit Transfer application. The attackers downloaded a file containing personal information of PennyMac customers. Sovos took the application offline, activated incident response, retained experts, and notified law enforcement. Credit monitoring services are being offered to affected individuals.

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California clockDiscovered May 30, 2023 → Notified Jul 28, 202359d ✓ CA 60-day OK13 weeks discovery → filing

Incident timeline

discovery → filing · 13 weeks / 90 days

May 30, 2023

Begins

May 30, 2023

Discovered

Aug 28, 2023

Filed

vs. sector median

+4 wks slower

This filing is one of 3 about the same incident.View merged incident

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_793c69dd334ac06a2023-08-21 · +7dCandidate
Indiana State AGbd_eeb6115249297f392023-08-18 · +10dVerified

Name: Sovos Compliance, LLC
norm: sovos compliance

Name: PennyMac Loan Services, LLC
norm: pennymac loan
Industry: Financial ServicesllmTechnologyllm

Discovered: May 30, 2023
Breach occurred: May 30, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 28, 2023
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified the California Attorney General
Initial access: supply_chain

During the incident: Took the affected application offline
Activated incident response procedures
Retained outside advisors and cybersecurity experts
Notified law enforcement
Offering two years of complimentary credit monitoring and identity restoration services through Kroll Information Assurance
Changes made: Deployed additional security measures and tools with the guidance of third-party experts to strengthen the ongoing security of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 days from discovery to filing)
Compliance flags: CA 60-day OK · 59d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: May 30, 2023
→ Notified: Jul 28, 2023
59d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 30, 2023 → Notified: Jul 28, 2023	59d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGAug 18 · first

Montana State AG+3d

California State AG+10d · this page

Pattern: first filing Aug 18 (IN), last Aug 28 (CA) — a 10-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://oag.ca.gov/ecrime/databreach/reports/sb24-572503
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 28, 2023
Raw hash: beb692388e919a23e91bf1fcfdf405bf40deff2723cda41e8a5e018505e2ff10

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySovos Compliance, LLC

Victim entityPennyMac Loan Services, LLC

Incidentdiscovered May 30, 2023

Stated responseTook the affected application offline

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov