Disclosure context

About kryptos

Kryptos is a recently emerged ransomware group first observed in October 2025, operating with apparent financial motivations based on their targeting patterns across multiple countries and sectors. The group's origin and potential affiliations remain unclear due to limited public documentation from established security researchers, though their geographic targeting spanning the United States, Australia, India, Sri Lanka, and Canada suggests either broad opportunistic attacks or potential coordination across different threat actors. With only five documented victims to date, specific details about Kryptos's attack methodology, initial access vectors, and technical capabilities have not been extensively analyzed or published by major cybersecurity firms or government agencies. The group has demonstrated a preference for targeting public sector and educational institutions, which aligns with common ransomware tactics of pursuing organizations with potentially weaker security postures and critical operational requirements that may increase payment likelihood. Given the group's recent emergence and limited victim count, comprehensive threat intelligence regarding their specific tools, techniques, procedures, and notable campaigns remains insufficient for detailed characterization. Kryptos appears to remain active as of late 2025, though their operational tempo and long-term persistence cannot be definitively assessed given the brief observation period and sparse public reporting. The group has been linked to 5 public disclosures across our corpus. First observed on a leak site on October 8, 2025; most recent post November 6, 2025. The operation is currently inactive.

Timeline of this disclosure

November 6, 2025Provincial Department of Health Services Sri Lanka listed by kryptoson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Public Sector sector, which has 259 disclosures indexed across all operators we track. Geographically, Provincial Department of Health Services Sri Lanka is reported in LK, a country with 2 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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Provincial Department of Health Services Sri Lanka

Claimed by kryptos · listed 7 months ago

Age

since listed · data leaked

Status timeline

Listed
Nov 6, 2025
Data leaked

At a glance

Group: kryptos
Status: Data leaked
Country: LK
Sector: Public Sector
Listed on leak site: Nov 6, 2025

About the victim

AI dossier — public-source company profile

The Provincial Department of Health Services, North Western Province (NWP), Sri Lanka, is a government health authority responsible for administering public health services across the North Western Province. It oversees 145 institutions, 439 field clinic centres, and 850 medical officers. The department is headquartered in Kurunegala and manages health facilities across the Kurunegala and Puttalam districts.

Industry: Public Health Services
Address: Health Complex, Negombo Road, Kurunegala, 60000, Sri Lanka

Attack summary

Severity: critical — The target is a government public health department; the breach involves data from 145 health institutions and hundreds of medical officers, strongly implying exposure of sensitive public health records, staff PII, and potentially patient data at scale — constituting regulated/sensitive data from a critical public sector entity.

The ransomware group Kryptos claims to have compromised the Provincial Department of Health Services Sri Lanka, with data reportedly published (disclosed status: data_published). The leak post references operational data spanning 145 institutions, 439 field clinic centres, and 850 medical officers, suggesting exfiltration of organisational and potentially patient/staff records.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Health institution records (145 institutions)
Field clinic centre data (439 centres)
Medical officer records (850 officers)
Departmental operational data

What the group claims

Health Services – 145 Institutions – 439 Field Clinic Centres – 850 Medical Officer

Sources

Victim sitehealthdept.nw.gov.lk

Source

Indexed 7 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.