Krapf Group
kairos listed this organization on its leak site on Sep 22, 2026.
- Listing date
- Sep 22, 2026
- Attack date
- Sep 22, 2026
Listing text
Founded in 1942 and headquartered in West Chester, Pennsylvania, Krapf Group is a family-owned and operated transportation business. Operates a fleet of more than 2,500 school buses and commercial vehicles with over 3,500 employees. The data also contains personal information about thousands of bus drivers.
About the group
kairos posted its first listing on Nov 13, 2024 and has listed 106 organizations to date.
Kairos is a data extortion group active since late 2024 that focuses solely on data theft with no encryption, primarily targeting small-to-mid-sized organizations in healthcare, manufacturing, and business services in the US, purchasing initial access from brokers and demanding Bitcoin payments.
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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