Genesis
Since Oct 21, 2025, Genesis has listed 148 organizations on its leak site.
Listings per month
- Total listings
- 148
- First listing
- Oct 21, 2025
- Latest listing
- Nov 6, 2026
- MITRE ATT&CK techniques
- 0
Genesis is an emerging ransomware group first observed in late 2025, targeting small to mid-sized US organizations across healthcare, retail, financial services, legal, and manufacturing using double-extortion tactics, focusing heavily on data exfiltration and public leaking.
It posted 132 listings in the last 12 months; the busiest month was October 2026 (29 listings).
Most targeted country: United States, with 132 listings (89% of the total).
Most targeted sector: Professional Services, with 38 listings (26% of the total).
Targeted countries
Showing 10 of 148 results
What does a ransomware group do?
Ransomware groups break into corporate networks, move data out and encrypt systems. If the ransom is not paid, they list the organization on a leak site and threaten to publish the data.
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.
Is your organization mentioned?
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