Cactus
A ransomware group active since 2023 that steals and encrypts data to demand payment. It mainly goes after larger companies in manufacturing and professional services.
- Alert level
- 2/ 5
- Reports & advisories (90 days)
- 0
- Known exploited CVEs
- 3
- Personal data leaked (disclosed)
- None confirmed
Exploited vulnerabilities and targeted products
CVE-2023-41265 CVE-2023-41266 CVE-2023-48365
If you run any of these products, first make sure they are updated to a fixed version.
How they attack
Entry
Exploiting an exposed business app
Like climbing in through a street-facing meeting-room window (an analytics server) with a broken latch.
Inside
Spreading as a fake administrator
Like getting hold of a security guard's uniform and walking into any room.
Goal
Steal first, then lock up
Like hauling goods out of the warehouse and then padlocking it with their own lock.
Sources
Attributions are quoted as assessed by governments and security vendors. VulnPulse does not make attributions itself.
Leak counts only add up figures disclosed by the affected companies or authorities, never the attackers' own claims. We do not list victim names or link to leak sites.
The alert level is calculated automatically from reports and advisories in the last 90 days, known exploited vulnerabilities, and whether the group has targeted Japan.
Updated 2026-10-23 · daily