HackingHealthcareProfessional ServicesHealthcareSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedDelayed DiscoveryIdentity (basic)Government IDPHIMediumActive

McDermott Will & Emery LLP

bd_b83ed45ac9289f02 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 29, 2015

Filed

Feb 27, 2015

To disclose

29 days

Affected

Not disclosed

Confidence

66%

Full breach record for McDermott Will & Emery LLP →3 incidents on file

McDermott Will & Emery LLP notified the NH AG of a cyber-attack on Anthem, Inc., a downstream subcontractor for its health plan. Attack commenced ~Dec 10, 2014, discovered Jan 29, 2015. PHI, PII, and SSNs potentially exposed. Investigation ongoing; specific impact on NH residents undetermined.

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Incident timeline

undetected · 50 days

discovery → filing · 29 days

Dec 10, 2014

Begins

Jan 29, 2015

Discovered

Feb 27, 2015

Filed

vs. sector median

7 wks faster

Part of ANTHEM INSURANCE COMPANIES, INC. supply-chain incident (2015) — a supply-chain cascade affecting multiple organizations.View cascade →

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: McDermott Will & Emery LLP
norm: mcdermott will emery
Industry: professional_services

Name: McDermott Will & Emery LLP
norm: mcdermott will emery
Industry: HealthcarellmProfessional Servicesllm

Discovered: Jan 29, 2015
Breach occurred: Dec 10, 2014
Undetected for: 50 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 27, 2015
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General pursuant to Right to Privacy Act
Third party: via Anthem, Inc.
Initial access: exploit_public_facing

During the incident: In direct communication with BCBSIL
Examining data file from BCBSIL to determine impacted participants
Forensics investigation ongoing
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/mcdermott-bluecross-blueshield-20150227.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2015
Raw hash: 4ed78c4ce6d2adefd4ecc09e6b864621027ac07e6bfa810eace57ae9409abb15

Reporting entityMcDermott Will & Emery LLP

Victim entityMcDermott Will & Emery LLP

Incidentdiscovered Jan 29, 2015

Stated responseIn direct communication with BCBSIL

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov