blackfield
Blackfield is a threat actor identified in the provided content as a ransomware gang and also referenced in the context of politically charged data-leak claims. The actor claimed responsibility for a ransomware attack against Nidec Corporation’s Taiwanese subsidiary, Nidec Chaun Choung Technology, following ransomware-originated damage confirmed by Nidec on June 22, 2026. In that incident, Blackfield demanded a $2 million ransom, gave the victim more than 15 days to negotiate, threatened to publish or sell allegedly stolen data, offered a one-day leak deadline extension for $5,000, and advertised immediate access to the purported stolen data for $400,000. The actor also posted sample files, including file structures and documents, as proof of breach, although the validity of those samples was not independently confirmed in the cited reporting. Separately, on October 10, 2023, Blackfield was reported to have announced on a Russian-speaking forum that it possessed personal data belonging to hundreds of Israel Defense Forces soldiers and Shabak members, including phone numbers, photos, and other personal information. Based on the provided content, known alias: blackfield.
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Targeting
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Who they target
Sectors the actor has been observed targeting.
- Military
- Government & Administration
Where they target
Geographies tied to known operations.
- 🇮🇱 Israel
- 🇺🇸 United States
Tradecraft
4 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducting a ransomware and data-extortion attack against Nidec Corporation and its Taiwanese subsidiary, demanding $2 million, threatening to publish or sell allegedly stolen data, leaking sample files as proof, and offering deadline extensions for payment.
Threat actor claiming possession of personal data on IDF soldiers and Shabak members, with possible intent for targeted attacks and disinformation campaigns; also hinted at targeting the US.
The version that knows your environment.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.