Chaos
A ransomware group that emerged in 2025; Cisco Talos says it may include former BlackSuit members. It is known for phoning staff while posing as IT support, mostly hitting US companies.
- Alert level
- 1/ 5
- Reports & advisories (90 days)
- 0
- Known exploited CVEs
- 0
- Personal data leaked (disclosed)
- None confirmed
How they attack
Entry
Spam flood, then a call from "IT"
Like flooding the mailbox with junk, then calling as "building maintenance" to get the door opened.
Inside
Staying in with remote-control software
Like a fake repairman quietly cutting a spare key for himself before leaving.
Goal
Steal first, then lock up
Like taking the files, then locking the office, and threatening on both counts.
Recent articles
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