Was chkck.com hit by ransomware?

chkck.com was listed by the krybit ransomware operation, and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the krybit ransomware group?

krybit is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the chkck.com breach?

krybit published data attributed to chkck.com. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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CH. Karnchang Public Company Limited

listed as chkck.com · Claimed by Krybit · listed 6 days ago

Age

since listed · data leaked

Status timeline

ListedJul 23, 2026
Data leakeddate unknown

At a glance

Group: Krybit
Status: Data leaked
Sector: Technology
Listed on leak site: Jul 23, 2026

About the victim

AI dossier — public-source company profile

CH. Karnchang is a major Thai construction and engineering firm operating as a public company. The company undertakes large-scale infrastructure and building projects.

Industry: Construction & Engineering

Attack summary

Severity: medium — Data has been published (disclosed status: data_published), indicating confirmed exfiltration. However, without visibility into proof count, data type specifics, or regulatory sensitivity details, severity cannot be elevated to 'high' without further evidence.

Krybit claims to have compromised CH. Karnchang's systems. The group has published data but specific details about exfiltration vs. encryption, or the scope of data accessed, are not evident in the truncated leak post.

medium

What the group claims

CH. Karnchang Public Company Limited (บริษัท ช.การช่าง จำกัด (มหาชน)) is...

Sources

Source

Indexed 6 days 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 krybit

Krybit is an emerging ransomware group that was first observed in April 2026, operating with apparent financial motivations based on their limited documented attacks against diverse sectors. The group's origin and affiliations remain unclear due to limited public intelligence, and it is unknown whether they operate as a Ransomware-as-a-Service model or as an independent entity. With only four known victims documented across geographically diverse regions including Mexico, Austria, Japan, and Botswana, the group appears to employ broad targeting rather than focused regional or sector-specific campaigns, though their attack methodology, encryption techniques, and data exfiltration practices have not been publicly documented by major security firms or law enforcement agencies. No notable high-profile campaigns or significant ransoms have been publicly reported, and no law enforcement actions against the group have been documented. Given the recent emergence of this group and extremely limited public reporting, Krybit's current operational status and capabilities remain largely unknown to the broader cybersecurity community. The group has been linked to 83 public disclosures across our corpus. First observed on a leak site on April 3, 2026; most recent post July 23, 2026. The operation is currently active.

Timeline of this disclosure

July 23, 2026chkck.com listed by krybiton the group's public leak site

Other recent disclosures by krybit

krybit has been linked to 83 public victims on Darkfield. A sample of the most recent:

See the full krybit dossier →

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,563 disclosures indexed across all operators we track.

If your organisation is affected

A listing by krybit means chkck.com 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.
Monitor for the data appearing on krybit'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.