McKay
mnt6 listed this organization on its leak site on Apr 30, 2026.
- Listing date
- Apr 30, 2026
- Attack date
- Apr 30, 2026
Listing text
McKay is a leading international engineering firm that delivers strategically vital projects across national defense, high-tech shipbuilding, and global energy sectors. The company serves as a key technological partner to the state, implementing innovative automation systems and 'green' solutions for critical infrastructure. [Revenue: $135.8M]
About the group
mnt6 posted its first listing on Apr 30, 2026 and has listed 3 organizations to date.
MNT6 is a lower-profile ransomware group claiming victims across legal, manufacturing, construction, healthcare, and logistics sectors in the US, Canada, New Zealand, and Spain, with notable claimed targets including Silfab Solar; some victim listings have been flagged as potentially unverified.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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