Disclosure context

About killsec

killsec is a relatively new ransomware group that emerged in March 2024, operating with apparent financial motivations and demonstrating broad targeting across multiple geographic regions and industry sectors. The group's origin and potential state affiliations remain unclear due to limited public documentation from major threat intelligence sources, though their targeting pattern suggests opportunistic rather than geopolitically motivated operations. With 276 documented victims primarily concentrated in the United States, India, the United Kingdom, Brazil, and Belgium, killsec appears to focus heavily on healthcare, technology, business services, and financial sectors, indicating either specific tooling designed for these environments or opportunistic targeting of organizations with valuable data and high pressure to restore operations quickly. Given the group's recent emergence and the lack of detailed technical analysis from established cybersecurity firms like Mandiant or law enforcement advisories from CISA or FBI, specific details about their attack methodology, initial access vectors, encryption techniques, and extortion tactics have not been publicly documented in authoritative sources. The group remains active as of current reporting, though the limited intelligence profile suggests they may be either a smaller operation or one that has not yet attracted significant attention from major threat intelligence organizations despite their substantial victim count. The group has been linked to 279 public disclosures across our corpus. First observed on a leak site on March 21, 2024; most recent post May 14, 2026. The operation is currently active.

Timeline of this disclosure

January 23, 2026X-CD Technologies listed by killsecon 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, X-CD Technologies is reported in United States, a country with 7,392 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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X-CD Technologies

Claimed by killsec · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 23, 2026
Data leaked

At a glance

Group: killsec
Status: Data leaked
Country: United States
Sector: Technology
Listed on leak site: Jan 23, 2026

About the victim

AI dossier — public-source company profile

X-CD Technologies is a US-based software company that develops and provides conference and event management solutions. Their platform covers the full event lifecycle including abstract management, speaker management, attendee registration, onsite event services, continuing education tracking, and virtual/hybrid event delivery. They serve professional associations, trade shows, and academic conferences.

Industry: Conference & Event Management Software

Attack summary

Severity: medium — Data has been marked as published by the group, indicating some exfiltration occurred, but the leak post provides no detail on data types, volume, or sensitivity. The company handles event registrant PII (attendee records, CE certificates) which could be sensitive, but no confirmation of regulated data exposure is present, warranting a medium rating.

Killsec claims to have compromised X-CD Technologies and has published data (disclosed status: data_published), though the leak post itself contains minimal detail and no stated ransom or explicit description of exfiltrated data types.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Undisclosed company data

What the group claims

Price ??? Disclosures 0/1

Sources

Victim sitex-cd.com

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.