Was LeMatic hit by ransomware?

LeMatic was listed by the sinobi ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the sinobi ransomware group?

sinobi is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the LeMatic breach?

sinobi published data attributed to LeMatic. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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LeMatic

Claimed by Sinobi · listed 5 months ago

Age

since listed · data leaked

Status timeline

ListedJan 29, 2026
Data leakeddate unknown

At a glance

Group: Sinobi
Status: Data leaked
Country: United States
Sector: Manufacturing
Listed on leak site: Jan 29, 2026

About the victim

AI dossier — public-source company profile

LeMatic is a global leader in industrial bakery automation equipment, headquartered in Jackson, Michigan, and operating since 1972. The company designs and manufactures high-performance automation systems—including slicing, packaging, basket handling, robotics, and vision systems—for high-volume commercial bakeries worldwide. Its proprietary AutoOp® and AutoEye® equipment lines are among its flagship offerings, complemented by aftermarket parts, services, and remote monitoring via the LeMatic Information Network (LIN).

Industry: Industrial Bakery Automation Equipment Manufacturing
Address: Jackson, Michigan, United States
Founded: 1972

Attack summary

Severity: high — Data has been published (not merely listed), indicating confirmed exfiltration of significant business data from a manufacturing company with industrial/food-production clients. While no regulated personal data at scale is explicitly confirmed, the publication of data elevates this beyond medium severity.

The ransomware group Sinobi claims to have compromised LeMatic and has published data (disclosed status: data_published), though the leak post does not specify the volume of exfiltrated data or detail the nature of files exposed. No ransom amount was stated.

high

Data the group says was taken

AI dossier — extracted from the leak post

Business operational data
Potentially proprietary engineering/product documentation
Customer/client records
Employee information
Aftermarket and service records

What the group claims

LeMatic is a leader in automated baking technology, offering innovations such as the AutoOp® and AutoEye® equipment lines to meet the evolving demands of the baking industry. Their product range includes solutions for slicing, packaging, basket handling, specialty systems, dough imprinting, pan cleaning, and robotics. LeMatic also provides aftermarket services, parts, and upgrades, ensuring customers receive the support they need for high-volume production and cutting-edge technology. Their intended clients include bakeries and industrial food producers looking for reliable and advanced baking solutions.

Sources

Victim sitewww.lematic.com
Leak posthttp://sinobi6ftrg27d6g4sjdt65malds6cfptlnjyw52rskakqjda6uvb7yd.onion/leaks/6978f9026387a4c9a2dbbded

Source

Indexed 5 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About sinobi

Based on the limited publicly available information, Sinobi appears to be a recently emerged ransomware operation first observed in July 2025, with financial motivations evidenced by their targeting of 268 victims across multiple sectors. The group's origin and specific affiliations remain undocumented in public threat intelligence reporting, and there is no confirmed information regarding whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and technical capabilities have not been extensively documented by major security research organizations, though their targeting patterns suggest a broad opportunistic approach rather than highly selective operations. The group demonstrates a preference for targeting organizations in the United States, India, United Kingdom, Canada, and Italy, with a focus on manufacturing, healthcare, construction, and technology sectors, suggesting they may exploit common vulnerabilities across these industries rather than deploying sophisticated, sector-specific attack vectors. No major high-profile campaigns or significant law enforcement actions against Sinobi have been publicly reported by CISA, FBI, or established threat intelligence firms. Given the recent emergence timeline and lack of extensive public documentation, the group's current operational status and long-term trajectory remain unclear, though the substantial victim count suggests continued activity as of the last available reporting period. The group has been linked to 274 public disclosures across our corpus. First observed on a leak site on July 5, 2025; most recent post May 8, 2026. The operation is currently active.

Timeline of this disclosure

January 29, 2026LeMatic listed by sinobion the group's public leak site

Other recent disclosures by sinobi

sinobi has been linked to 274 public victims on Darkfield. A sample of the most recent:

See the full sinobi dossier →

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 2,458 disclosures indexed across all operators we track. Geographically, LeMatic is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

If your organisation is affected

A listing by sinobi means LeMatic appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Monitor for the data appearing on sinobi's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.