Section9 Ransomware

Section9 is a ransomware threat group that has disclosed 19 victims in publicly accessible leak site data, representing 0.1% of all ransomware attacks tracked in this database. The earliest victim disclosure attributed to Section9 in our dataset dates to July 2026.

Geographically, Section9 has targeted organisations in 11 countries. The most frequently targeted nation is Brazil with 6 victim organisations. Other heavily targeted nations include United States, China, France.

Industry-wise, Section9 shows a concentration in the Technology, Financial Services, Other sectors. These industries are frequently targeted because they manage sensitive data, critical operations, or have lower tolerance for operational downtime — conditions that increase ransom payment likelihood.

Like most modern ransomware operations, Section9 likely employs a double extortion model: encrypting victim files while simultaneously exfiltrating data, creating dual pressure to pay the ransom. Victim organisations that refuse payment face having their data published on the group's dark web leak site.

Note: This profile is generated from public leak site disclosures aggregated via the ransomware.live API. Data is updated automatically. The table below lists the 19 most recent of the 19 disclosures we hold for this group; use the link beneath it to page through all of them.