Disclosure context

About osiris

Osiris is a recently emerged ransomware group first observed in December 2025, operating with apparent financial motivations based on their targeting patterns and limited known victim base of three organizations. The group's origin and affiliations remain unclear due to their recent emergence, though their targeting of victims across the United States, India, and the Philippines suggests either a broad opportunistic approach or potential connections to actors operating across these regions. Limited intelligence is available regarding Osiris's specific attack methodology, encryption techniques, or whether they employ data exfiltration tactics prior to encryption, though their focus on manufacturing and technology sectors indicates they may be targeting organizations with valuable intellectual property or operational data. No major high-profile campaigns or significant ransoms have been publicly documented for this group, likely due to their recent emergence and small victim count. Given the December 2025 first observation date, Osiris appears to be a newly active threat actor, though insufficient data exists to determine their operational tempo, capabilities, or long-term threat potential. The group has been linked to 3 public disclosures across our corpus. First observed on a leak site on December 18, 2025; most recent post March 23, 2026. The operation is currently active.

Timeline of this disclosure

March 23, 2026Mantra Softech Pvt listed by osirison the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 2,524 disclosures indexed across all operators we track. Geographically, Mantra Softech Pvt 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

← All victims

Mantra Softech India Pvt. Ltd.

listed as Mantra Softech Pvt · Claimed by osiris · listed 2 months ago

58d

Age

since listed · data leaked

Status timeline

Listed
Mar 23, 2026
Data leaked

At a glance

Group: osiris
Status: Data leaked
Country: India
Sector: Technology
Listed on leak site: Mar 23, 2026

About the victim

AI dossier — public-source company profile

Mantra Softech India Pvt. Ltd. is a global manufacturer and provider of biometric and RFID technologies headquartered in Ahmedabad, India, founded in 2006. The company specialises in fingerprint sensors, iris scanners, facial recognition systems, and AI-driven security solutions for identity management, and is notably a developer of Aadhaar-enabled biometric devices for India's national identity system. Its products serve banking, telecom, and government sectors across India, Africa, and the Middle East.

Industry: Biometric & RFID Identity Management Technology
Address: Ahmedabad, India
Founded: 2006

Attack summary

Severity: critical — Mantra Softech develops Aadhaar-enabled biometric devices and serves government, banking, and telecom clients across multiple countries. A breach of this company risks exposure of biometric authentication infrastructure data, government identity system integration details, and potentially large-scale PII or sensitive national security-relevant technical data — all of which qualify as regulated and highly sensitive.

The Osiris ransomware group claims to have compromised Mantra Softech India Pvt. Ltd. and has published data ('data_published' status), suggesting exfiltration of company data. The specific data types exfiltrated and whether encryption also occurred are not detailed in the post.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Identity management system data
Biometric device-related data
Government project data (Aadhaar-linked)
Internal R&D information
Business/client records across banking, telecom, and government sectors

What the group claims

Mantra Softech India Pvt. Ltd., founded in 2006 and headquartered in Ahmedabad, is a leading global manufacturer and provider of biometric and RFID technologies, specializing in high-quality hardware, software, and integrated solutions for identity management and security. Renowned for its significant role in developing Aadhaar-enabled biometric devices for India’s national ID system, the company offers a comprehensive portfolio including fingerprint sensors, iris scanners, facial recognition systems, and AI-driven security solutions. With extensive manufacturing capabilities and in-house R&D, Mantra provides secure authentication tools for diverse sectors—including banking, telecom, and government—across India, Africa, and the Middle East.

Source

Indexed 2 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.