FEDERALItem 8.01 · voluntarySocial EngineeringOtherBECMediumActive

NioCorp Developments Ltd.

bd_d3f580df6332da81 · schema v1 · pii pii-v1

Severity

Medium

Financial impact

$500K

Discovered

Feb 14, 2025

Filed

Feb 19, 2025

To disclose

5 days

Affected

Not disclosed

Confidence

66%

Full breach record for NioCorp Developments Ltd. →

NioCorp Developments Ltd. (CIK 0001512228) filed an 8-K on February 19, 2025, disclosing a cybersecurity incident discovered on February 14, 2025. Unauthorized third-party access to email systems resulted in misdirected vendor payments totaling approximately $0.5 million. The Company notified financial institutions and federal law enforcement. The investigation is ongoing, and the full scope is not yet known.

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Incident timeline

discovery → filing · 5 days

Feb 14, 2025

Discovered

Feb 19, 2025

Filed

vs. sector median

7 wks faster

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

Name: NioCorp Developments Ltd.
norm: niocorp developments
SEC CIK: 0001512228

Name: NioCorp Developments Ltd.
norm: niocorp developments
SEC CIK: 0001512228
Industry: Otherllm

Discovered: Feb 14, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Unauthorized Access
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcement

During the incident: Notified certain financial institutions and federal law enforcement
Began taking steps to investigate, contain, assess and remediate the cybersecurity incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 days(5 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 filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/1512228/000153949725000735/n2574_x251-8k.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Feb 19, 2025
Raw hash: d7c115a37a6cbaf87373188ccaed54cf6f29945d1d0053d2f6d942ae7b38111a

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Reporting entityNioCorp Developments Ltd.

Victim entityNioCorp Developments Ltd.

Incidentdiscovered Feb 14, 2025

Stated responseNotified certain financial institutions and federal law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing