Disclosure context

About blacknevas

Blacknevas is an emerging ransomware group that was first observed in August 2025, appearing to be primarily financially motivated based on their targeting patterns and operational characteristics. The group's origin and potential affiliations remain unclear due to limited public documentation from established threat intelligence sources, though their diverse geographic targeting suggests either a distributed operation or broad opportunistic approach. Based on available victim data, Blacknevas has compromised at least 23 organizations across multiple countries, with the United States, Spain, India, Japan, and Thailand being the most frequently targeted nations, while their sector focus spans technology, manufacturing, energy, and consumer services industries, suggesting they employ opportunistic rather than sector-specific targeting methodologies. The group's attack vectors, specific tools, and whether they operate as a Ransomware-as-a-Service model or maintain independent operations have not been publicly documented by major cybersecurity firms or government agencies. Due to the group's recent emergence in August 2025, there is insufficient public reporting from established sources like CISA, FBI, or major threat intelligence providers to detail notable campaigns or significant attacks beyond the confirmed victim count. Given the recency of their first observed activity, Blacknevas appears to remain active as of late 2025, though comprehensive threat intelligence profiles from authoritative sources have yet to be published. The group has been linked to 31 public disclosures across our corpus. First observed on a leak site on August 6, 2025; most recent post April 30, 2026. The operation is currently active.

Also tracked as: black nevas.

Timeline of this disclosure

August 28, 2025TOYOTA ASIA TOYOTA INDIA listed by blacknevason the group's public leak site

Data size: 4 TB

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, TOYOTA ASIA TOYOTA INDIA is reported in India, a country with 255 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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Toyota Kirloskar Motor / Toyota India

listed as TOYOTA ASIA TOYOTA INDIA · Claimed by blacknevas · listed 9 months ago

4 TB

Data size

Age

since listed · data leaked

Status timeline

Listed
Aug 28, 2025
Data leaked

At a glance

Group: blacknevas
Status: Data leaked
Country: India
Sector: Manufacturing
Listed on leak site: Aug 28, 2025
Data size: 4 TB

About the victim

AI dossier — public-source company profile

Toyota's Indian operations, commonly associated with Toyota Kirloskar Motor Pvt. Ltd., manufacture and distribute passenger vehicles across India in a joint venture with the Kirloskar Group. The entity is part of Toyota's broader Asia-Pacific corporate network. Operations are headquartered in Bidadi, Karnataka, India.

Industry: Automotive Manufacturing
Employees: 5000+
Founded: 1997

Attack summary

Severity: critical — 4 TB of confirmed exfiltrated data including employee PII and confidential corporate information from a major automotive OEM with cross-network lateral movement to other Toyota entities; data is reportedly already published ('data_published' status) and offered for sale to third parties, representing large-scale regulated data exposure.

The group claims to have exfiltrated 4 TB of data from Toyota India's corporate network, including employee personal data and confidential corporate data, and asserts they have maintained persistent access to Toyota India and connected Toyota regional networks. No encryption is mentioned; the threat is data publication and notification of interested buyers if no ransom agreement is reached.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Employee personal data (PII)
Confidential corporate data
Data from interconnected Toyota Asia/regional networks

What the group claims

Hello,I think your IT service hid from you information about the hacking of your corporate network and a data leak.I tell you the details:Your corporate network was checked for vulnerability and did not go through the check4TB data were pumped up including personal data of employees and the confeditional data of the corporationThanks to the structure and interaction of your company with other Toyota networks, we were able to gain a foothold on other networks of your corporationYour system administrators were able to remove the most obvious and primitive methods of fixing on the network, the remaining points of the entrance to your and other networks of corporations are successfully functioningIn your strength and interests, to solve this problem at this stage, until we attracted the means of mass foreignormation, traders and the public to this issue.Over time, we pump out data from SECs on which we are fixed and then the transaction value will be much higherWe are preparing an article on a hacking blog, if the agreement is not reached, we will make a publication and notify all those interestedTo discuss the above, contact the mail: [email protected] anyone is interested in purchasing the data, please email us.

Sources

Leak posthttp://ctyfftrjgtwdjzlgqh4avbd35sqrs6tde4oyam2ufbjch6oqpqtkdtid.onion/publications/details/b53c6b72-36b4-4f67-82f2-f073b3c6852e

Source

Indexed 9 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.