Disclosure context

About lynx

Lynx is a relatively new ransomware group that emerged in July 2024, operating with apparent financial motivations and demonstrating rapid scaling capabilities with 397 documented victims within their first few months of operation. The group's origin and specific affiliations remain unclear due to their recent emergence, though their targeting patterns suggest a sophisticated operation that may operate independently rather than as a traditional Ransomware-as-a-Service model. Based on their victim distribution, Lynx appears to employ broad-spectrum targeting methodologies focusing heavily on English-speaking countries, with the United States, United Kingdom, Canada, Germany, and Australia representing their primary geographic targets, while concentrating their attacks on manufacturing, business services, technology, and transportation/logistics sectors, though specific technical details regarding their initial access vectors, encryption methods, and data exfiltration practices have not yet been extensively documented by major security research organizations. Due to the group's recent emergence, there are no widely reported major campaigns or high-profile incidents that have gained significant public attention from law enforcement agencies or established threat intelligence firms. As of late 2024, Lynx appears to remain active with no reported law enforcement disruptions or operational changes. The group has been linked to 410 public disclosures across our corpus. First observed on a leak site on July 29, 2024; most recent post May 10, 2026. The operation is currently active.

Timeline of this disclosure

May 10, 2026csb-battery.com listed by lynxon the group's public leak site

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, csb-battery.com is reported in TW, a country with 46 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

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csb-battery.com

Claimed by lynx · listed 11 days ago

10d

Age

since listed · data leaked

Status timeline

Listed
May 10, 2026
Data leaked

At a glance

Group: lynx
Status: Data leaked
Country: TW
Sector: Manufacturing
Listed on leak site: May 10, 2026

About the victim

AI dossier — public-source company profile

CSB Energy Technology Co., Ltd. is a leading global manufacturer of Valve-Regulated Lead-Acid (VRLA) batteries headquartered in Taiwan. The company serves diverse applications including stationary power, data center UPS, renewable energy, e-mobility, and telecommunications. Their products are distributed across more than 100 countries through a global partner network.

Industry: Valve-Regulated Lead-Acid (VRLA) Battery Manufacturing

Attack summary

Severity: high — Data has been published ('data_published' status) confirming exfiltration from a global manufacturer with operations in over 100 countries; while the specific data types are not detailed, confirmed publication of stolen data from a significant international company warrants a high severity rating.

The Lynx ransomware group claims to have attacked CSB Energy Technology Co., Ltd. and has published data from the victim, indicating exfiltration occurred. No ransom amount or specific data volume has been stated in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Company internal data
Potentially business/operational records

What the group claims

CSB Energy Technology Co., Ltd. is a leading global manufacturer of Valve-Regulated Lead-Acid (VRLA) batteries, serving a diverse range of applications including stationary power, data center UPS, renewable energy, general purpose, e-mobility, and telecommunications. Their products are utilized in over 100 countries, supported by a trusted partner network for distribution and customer service. The company is committed to providing high-quality battery solutions to meet the needs of various industries. CSB Energy Technology aims to enhance user experience and technical support through their dedicated customer service team.

Sources

Victim sitecsb-battery.com
Leak posthttp://lynxblogco7r37jt7p5wrmfxzqze7ghxw6rihzkqc455qluacwotciyd.onion/leaks/6a003c252b391873c7dd6d3e

Source

Indexed 11 days 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.