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MyFair (주식회사 마이페어)

listed as MyFair · Claimed by Killsec · listed 4 months ago

4m
Age
since listed · data leaked

Status timeline

  1. ListedMar 6, 2026
  2. Data leakeddate unknown

At a glance

Group
Killsec
Status
Data leaked
Country
South Korea
Listed on leak site
Mar 6, 2026

About the victim

AI dossier — public-source company profile

MyFair (주식회사 마이페어) is a South Korean SaaS platform headquartered in Gangnam-gu, Seoul, providing overseas trade fair and exhibition participation solutions to exporters, SMEs, and industry associations. The platform enables users to search global exhibitions, reserve booths, connect with specialist partners (logistics, translation, booth design), and manage all participation workflows. It is an official certified operator under South Korea's Export Voucher (수출바우처) programme.

Industry
Trade Fair & Exhibition Management SaaS
Address
(06180) 서울특별시 강남구 영동대로85길 38 KC빌딩 4층 (KC Building 4F, 38 Yeongdong-daero 85-gil, Gangnam-gu, Seoul, South Korea 06180)

Attack summary

Severity: medium — Disclosure status is marked data_published, implying some data has been released, but the leak post provides virtually no corroborating detail—no data volume, no ransom, no proof file count, and no description of what was exfiltrated. The company handles customer business data and potentially PII of Korean exporters, warranting at least medium severity, but the absence of any substantiated evidence of sensitive data exposure prevents a higher rating.

Killsec claims to have attacked MyFair and has published the disclosure with a status of data_published; however, the leak post contains minimal detail, with no explicit description of encryption or exfiltration methods and no stated ransom amount or data volume.

medium

What the group claims

Price ??? Disclosures 0/1

Sources

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.

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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 281 public disclosures across our corpus. First observed on a leak site on March 21, 2024; most recent post June 3, 2026. The operation is currently active.

Timeline of this disclosure

  • March 6, 2026MyFair listed by killsecon the group's public leak site

Other recent disclosures by killsec

killsec has been linked to 281 public victims on Darkfield. A sample of the most recent:

See the full killsec dossier →

Sector and geography

Geographically, MyFair is reported in South Korea, a country with 48 ransomware disclosures in our corpus.

If your organisation is affected

A listing by killsec means MyFair appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, KrCERT/CC (South Korea), as required for your jurisdiction.
  • Monitor for the data appearing on killsec's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.