Was dmxm.com hit by ransomware?

dmxm.com was listed by the lockbit5 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 lockbit5 ransomware group?

lockbit5 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 dmxm.com breach?

lockbit5 published data attributed to dmxm.com. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Dynamic Machining & Manufacturing (DM²)

listed as dmxm.com · Claimed by Lockbit5 · listed 4 months ago

Age

since listed · data leaked

Status timeline

ListedFeb 23, 2026
Data leakeddate unknown

At a glance

Group: Lockbit5
Status: Data leaked
Country: United States
Listed on leak site: Feb 23, 2026

About the victim

AI dossier — public-source company profile

Dynamic Machining & Manufacturing (DM²) is a Swiss-style precision machining company headquartered in King, North Carolina, founded in 2004. The company specializes in producing micro- to medium-sized precision-machined parts and assemblies for medical, aerospace, and industrial sectors using Swiss screw machines, 5-axis machining, and mill-turn centers. DM² holds AS9100, ISO 9001, and ISO 13485 certifications and is ITAR registered.

Industry: Precision CNC Machining & Manufacturing (Medical, Aerospace, Industrial)
Address: 169 Industrial Drive, King, NC 27021
Founded: 2004

Attack summary

Severity: critical — DM² is ITAR-registered and holds ISO 13485 certification, meaning it handles defense-related and medical device data subject to strict regulatory controls. Data publication by LockBit 5 of a company producing flight-critical aerospace parts and medical components represents a critical risk involving potentially regulated export-controlled (ITAR) and medical (ISO 13485) data.

LockBit 5 claims to have compromised DM² with the disclosure status indicating data has been published. The attack likely involved exfiltration of proprietary business and manufacturing data given the disclosed status, though specific data volumes or encryption claims are not detailed in the post.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Proprietary manufacturing/engineering files
Customer and supplier records
ITAR-controlled technical data (potential)
Medical device component specifications (potential)
Aerospace part designs (potential)
Business contact information

What the group claims

Description: Dynamic Machining & Manufacturing (DM²) is a Swiss-style machining company that special...

Sources

Victim sitedmxm.com
Leak posthttp://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion/post/53f5e83d19c597ce6d20eec90f453f53

Source

Indexed 4 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 lockbit5

Based on the provided data, LockBit5 appears to be a recently emerged ransomware operation first observed in December 2025, representing what may be a new iteration or rebrand within the LockBit ransomware ecosystem, with primary financial motivations evidenced by their targeting of high-value sectors. Given the LockBit naming convention and the timing of emergence, this group likely operates from Eastern Europe or Russia and may represent either a continuation of previous LockBit operations or a new affiliate group leveraging the established LockBit brand, though specific organizational details remain undocumented by major security agencies. While detailed attack methodologies have not been publicly documented by CISA, FBI, or major security researchers, the group's targeting pattern across 157 victims suggests a broad-spectrum approach focusing on technology, manufacturing, healthcare, and transportation sectors primarily in the United States, Brazil, Germany, Italy, and Mexico. Due to the group's recent emergence in December 2025, there are no publicly documented notable campaigns or major incidents reported by established threat intelligence sources, though the victim count indicates active operations. The group appears to be currently active based on the recent first observation date, though comprehensive analysis from major security agencies has not yet been published given the short timeframe since emergence. The group has been linked to 278 public disclosures across our corpus. First observed on a leak site on December 7, 2025; most recent post June 11, 2026. The operation is currently active.

Timeline of this disclosure

February 23, 2026dmxm.com listed by lockbit5on the group's public leak site

Other recent disclosures by lockbit5

lockbit5 has been linked to 278 public victims on Darkfield. A sample of the most recent:

See the full lockbit5 dossier →

Sector and geography

Geographically, dmxm.com is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

If your organisation is affected

A listing by lockbit5 means dmxm.com 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 lockbit5'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.