MalwareHealthcareFinancial ServicesHealthcarePhishingRansomwareStolen CredentialsData ExfiltratedData EncryptedRansom DemandedMulti-Stage ChainCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDCredentialsMediumContained

Magellan Health

bd_52cdccf8ed184c49 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 11, 2020

Filed

May 18, 2020

To disclose

5 weeks

Affected

284state residents only

Linked

13 filings

Confidence

65%

Full breach record for Magellan Health →6 incidents on file

Magellan Health, Inc. notified the NH Attorney General of a ransomware attack discovered on April 11, 2020. The incident, caused by a phishing email, resulted in the deployment of Pro Lock malware and the exfiltration of employee/contractor PII (SSNs, W-2s) from a finance server. Approximately 284 NH residents were affected. Magellan engaged Mandiant and the FBI, contained the threat, and is offering 36 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

discovery → filing · 5 weeks / 37 days

Apr 6, 2020

Begins

Apr 11, 2020

Discovered

May 18, 2020

Filed

vs. sector median

6 wks faster

This filing is one of 13 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

South Carolina State AGbd_9e737f4798eb5a362020-05-12 · +6dVerified
Oregon State AGbd_5bd5952fe83a40242020-05-11 · +7dCandidate
California State AGbd_ab19fc861c82e8262020-05-11 · +7dVerified
Montana State AGbd_ae473065eafe43122020-05-11 · +7dVerified

Show 6 more filings ↓up to 30d gap

Massachusetts State AGbd_bf8c076cce5b21132020-05-11 · +7dVerified
California State AGbd_34de5bda8012b71c2020-06-12 · +25dVerified
HHS OCRbd_8bced8d5ed3979b92020-06-12 · +25dVerified
HHS OCRbd_d5286c2b411200662020-06-12 · +25dVerified by operator
Delaware State AGbd_fb92e6e29105fd362020-06-15 · +28dVerified by operator
New Hampshire State AGbd_c2e0d6a5d0abe09d2020-06-17 · +30dVerified

Showing first 10 of 12 linked disclosures.

Name: Magellan Health
norm: magellan health
Domain: magellanhealth.com

Name: Magellan Health
norm: magellan health
Domain: magellanhealth.com
Industry: HealthcarellmFinancial Servicesllm

Discovered: Apr 11, 2020
Breach occurred: Apr 6, 2020 – Apr 12, 2020
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 12, 2020
Affected individuals: 284state-resident count only
Data types: Identity (basic)Government IDCredentials
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1486 Data Encrypted for ImpactT1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the FBIProviding notice to Departments of Insurances and Boards of Pharmacy in several statesWill provide notice to the IRS and state tax authoritiesWill provide a separate notice to the United States Department of Health and Human Services Office for Civil Rights
Initial access: phishing_link

During the incident: Retained Mandiant to conduct a thorough investigation
Reported the incident to the FBI
Quarantined the stolen data with the assistance of the FBI and the cloud service provider
Offering 36 months of complimentary credit monitoring and fraud protection services
Changes made: Onboarded Mandiant's Managed Defense, a 24/7 managed detection and response (MDR) service utilizing FireEye endpoint security agent
Deployed additional FireEye Network Security network monitoring devices
Enhanced and enforced additional endpoint security controls through group policy
Ongoing twice-weekly vulnerability scans of Magellan's external IP address space
Deployed FireEye Email Threat Protection and Proofpoint for enhanced email protection
Implemented network firewall rule changes including blocking IP addresses and domains associated with the attack
Implemented DNS sink holes for malicious domains
Reviewed site-to-site VPN firewall rules for any direct connections into the Magellan network
Reduced number of privileged domain user accounts
Required all privileged accounts to change passwords at least every 24 hours until further notice
Enhanced Active Directory, Domain Administrator, and Domain Controller Security through Group Policy and related Active Directory features
Forced Password Reset
Conducting an enterprise security assessment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Oregon State AGMay 11 · first

California State AGMay 11 · first

Montana State AGMay 11 · first

Massachusetts State AGMay 11 · first

South Carolina State AG+1d

New Hampshire State AG+7d · this page

California State AG+32d

HHS OCR+32d

Delaware State AG+35d

New Hampshire State AG+37d

Pattern: first filing May 11 (OR), last Jun 17 (NH) — a 37-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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/magellan-health-20200518.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 18, 2020
Raw hash: 7ca1e308d92c3e726d0b459e404f42a6f531e2c3a3a0c481f0ca060b1d94d139

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMagellan Health

Victim entityMagellan Health

Incidentdiscovered Apr 11, 2020

Stated responseRetained Mandiant to conduct a thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov