HackingEducationHealthcareEducationVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

University of Rochester

bd_f7935ffb9c85c7d1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Jul 28, 2023

To disclose

8 weeks

Affected

Not disclosed

Linked

8 records

Confidence

64%

Full breach record for University of Rochester →5 incidents on file

University of Rochester notified individuals of a data breach involving its third-party vendor, Progress Software. An unauthorized party exploited a vulnerability in the MOVEit File Transfer solution between May 27 and May 31, 2023, to access and potentially exfiltrate personal information, including Social Security numbers. The University engaged outside professionals to investigate and is offering 24 months of complimentary identity protection services.

J jump to incidentP pin to compareR raw source

California clockDiscovered May 31, 2023 → Notified Jul 28, 202358d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 8 weeks / 58 days

May 27, 2023

Begins

May 31, 2023

Discovered

Jul 28, 2023

Filed

This filing is one of 8 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_7d744ab9ef9b3c312023-07-14 · +13dVerified

Regulatory filings (6) · sorted by filing gap

Vermont State AGbd_419f463a975f38c72023-07-28Verified
Maine State AGbd_659d73894032e3ae2023-07-28Verified
Montana State AGbd_8283f86271ea7a052023-07-28Verified by operator
Indiana State AGbd_85e559820964f4f52023-07-28Verified

Show 2 more filings ↓up to 4d gap

Massachusetts State AGbd_ebc1aa14a808124d2023-07-28Verified by operator
New Hampshire State AGbd_baba64b11eeaa1eb2023-08-01 · +4dVerified by operator

Name: University of Rochester
norm: university of rochester
Domain: rochester.edu

Name: University of Rochester
norm: university of rochester
Domain: rochester.edu
Industry: EducationllmHealthcarellm

Discovered: May 31, 2023
Breach occurred: May 27, 2023 – May 31, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 28, 2023
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: External
Initial access: supply_chain

During the incident: Engaged outside professionals to assist in investigating and remediating the vulnerability
Offering a complimentary 24-month membership of Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: CA 60-day OK · 58d
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 31, 2023
→ Notified: Jul 28, 2023
58d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: May 31, 2023 → Notified: Jul 28, 2023	58d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Vermont State AGJul 28 · first

Maine State AGJul 28 · first

Montana State AGJul 28 · first

Indiana State AGJul 28 · first

Massachusetts State AGJul 28 · first

California State AGJul 28 · first · this page

New Hampshire State AG+4d

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/sb24-570999
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 28, 2023
Raw hash: 5072d950b8842a11140525355a4e323b4db2e2acdd88a1bfd261efcb8acfc868

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityUniversity of Rochester

Victim entityUniversity of Rochester

Incidentdiscovered May 31, 2023

Stated responseEngaged outside professionals to assist in investigating and remediating the vulnerability

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov