HackingProfessional ServicesProfessional ServicesStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

KIRKLAND & ELLIS LLP

bd_7817adae867820ef · schema v1 · pii pii-v1

Severity

Low

Discovered

May 31, 2023

Filed

Jun 17, 2024

To disclose

13 months

Affected

12state residents only

Linked

10 filings

Confidence

66%

Full breach record for KIRKLAND & ELLIS LLP →2 incidents on file

Kirkland & Ellis LLP notified the NH AG of a breach involving its third-party provider Progress Software's MOVEit Transfer tool. Unauthorized access occurred May 27-31, 2023. The firm identified 12 affected NH residents, whose personal info (names, addresses) was accessed. Kirkland engaged forensic experts, notified law enforcement, and is offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d13 months 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 · 4 days

discovery → filing · 13 months / 383 days

May 27, 2023

Begins

May 31, 2023

Discovered

Jun 17, 2024

Filed

vs. sector median

+36 wks slower

This filing is one of 10 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 →

A leak claim by cl0p about this victim predates this filing by 354 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitecl0pbd_2a6a38a4fce50e7f2023-06-29 · +354dVerified by operator
Leak Sitecl0pbd_a8a40d279b2b72b92023-06-29 · +354dVerified by operator

Regulatory filings (7) · sorted by filing gap

California State AGbd_02237a7cc8f297a42024-06-12 · +5dVerified by operator
Maine State AGbd_5014b08744e1235e2024-06-12 · +5dVerified
Montana State AGbd_76e20d53b936d6eb2024-06-12 · +5dVerified by operator
Washington State AGbd_e570578a73aa4c7e2024-06-12 · +5dVerified

Show 3 more filings ↓up to 284d gap

Illinois State AGbd_cfca829068da16642024-06-01 · +16dVerified by operator
Vermont State AGbd_0f2b6129de255d012024-05-28 · +20dVerified by operator
Massachusetts State AGbd_45f3062279233bd32023-09-07 · +284dVerified by operator

Name: Hunton Andrews Kurth LLP
norm: hunton andrews kurth

Name: KIRKLAND & ELLIS LLP
norm: kirkland ellis
Domain: kirkland.com
Industry: Professional Servicesllm

Discovered: May 31, 2023
Breach occurred: May 27, 2023 – May 31, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 10, 2024
Affected individuals: 12state-resident count only
Data types: Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: reported the issue to law enforcement
Initial access: supply_chain

During the incident: Initiated an investigation
Took steps to secure its relevant systems
Working with leading cybersecurity experts
Reported the issue to law enforcement
Put in place additional monitoring measures
Changes made: Offering identity protection and credit monitoring services at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(383 days from discovery to filing)
Compliance flags: Leak >180d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Massachusetts State AGSep 7 · first

Vermont State AG+264d

Illinois State AG+268d

California State AG+279d

Maine State AG+279d

Montana State AG+279d

Washington State AG+279d

New Hampshire State AG+284d · this page

Pattern: first filing Sep 7 (MA), last Jun 17 (NH) — a 284-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://mm.nh.gov/files/uploads/doj/remote-docs/kirkland-ellis-progress-software-20240617.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 17, 2024
Raw hash: 5620d19a38562a9cbf13c66ad4a04cd686f87bfb10465e5cdf74fc0ba4973643

Linked disclosures

Ransomware claims (2)

Regulatory filings (7) · sorted by filing gap

Reporting entityHunton Andrews Kurth LLP

Victim entityKIRKLAND & ELLIS LLP

Incidentdiscovered May 31, 2023

Stated responseInitiated an investigation

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov