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New pro-Ukraine hacker group targets Russian companies with custom ransomware
September 2, 2026 · The Record · Severity: CRITICAL
The group, which calls itself VantaCore, has targeted at least seven known victims, Russian cybersecurity firm F6 said in a report published this week.
Key Takeaways
- VantaCore is a new pro-Ukraine hacker group using custom ransomware against Russian companies.
- At least seven Russian companies have been targeted, according to cybersecurity firm F6's report.
- The group's emergence underscores continued cyber warfare linked to the Ukraine conflict.