Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

STEEL PARTNERS HOLDINGS L.P.

bd_d994bde2b3fef284 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 29, 2020

Filed

Jul 30, 2020

To disclose

9 weeks

Affected

26state residents only

Linked

8 filings

Confidence

67%

Full breach record for STEEL PARTNERS HOLDINGS L.P. →2 incidents on file

Steel Partners Holdings L.P. filed a supplemental notice with the NH AG regarding unauthorized access to an employee's email account. The breach exposed names, SSNs, DOBs, and some health info for 26 NH residents. Discovered May 29, 2020. Notifications sent July 28, 2020. Remediation included MFA and password resets.

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Incident timeline

discovery → filing · 9 weeks / 62 days

May 29, 2020

Discovered

Jul 30, 2020

Filed

vs. sector median

on median

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

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

California State AGbd_3ca7167cc02cf4962020-08-02 · +3dVerified
Massachusetts State AGbd_25cb6bbe7680f0202020-07-16 · +14dVerified
California State AGbd_d278d119b9afcdc02020-07-16 · +14dCandidate
Montana State AGbd_6be8759b2eb0d3482020-06-29 · +31dCandidate

Show 3 more filings ↓up to 31d gap

South Carolina State AGbd_88361305fd97eb212020-06-29 · +31dVerified
Indiana State AGbd_d1792ff303bb51542020-06-29 · +31dVerified
Delaware State AGbd_d8b05cdca0e423622020-06-29 · +31dVerified

Name: STEEL PARTNERS HOLDINGS L.P.
norm: steel partners

Name: STEEL PARTNERS HOLDINGS L.P.
norm: steel partners
Industry: Financial Servicesllm

Discovered: May 29, 2020
Materiality determined: —
Notification sent: Jul 28, 2020
Affected individuals: 26state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Department of Justice
Initial access: phishing_link

During the incident: Initiated an investigation
Engaged a forensic security firm to assist
Locked the account
Provided written notification via postal mail
Notified all three national credit reporting agencies
Offered two years of free credit monitoring through Experian IdentityWorks
Created a call center for potentially affected individuals
Changes made: Required a password reset for employees
Implemented changes to the login process
Implemented stricter multi-factor authentication rules
Conducted a broader review of the network
Working with the forensic security firm to further strengthen existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(62 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 7 states

View merged incident ↗

Montana State AGJun 29 · first

South Carolina State AGJun 29 · first

Indiana State AGJun 29 · first

Delaware State AGJun 29 · first

Massachusetts State AG+17d

California State AG+17d

New Hampshire State AG+31d · this page

California State AG+34d

Pattern: first filing Jun 29 (MT), last Aug 2 (CA) — a 34-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/steel-partners-holdings-20200730.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 30, 2020
Raw hash: 709b2c31af1fcdd0056f53e785215c73a4dff152dd55ece2f6c0cd2e7e18fee9

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entitySTEEL PARTNERS HOLDINGS L.P.

Victim entitySTEEL PARTNERS HOLDINGS L.P.

Incidentdiscovered May 29, 2020

Stated responseInitiated an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov