2026 Quantum Data Systems — Nova ransomware listing (unverified)
Data compromised
Ransomware actor claim; technology services/training—no attested scope
Technical writeup
Unverified Nova ransomware listing — June 24, 2026 per BreachSense. Quantum Data Systems technology services firm; no company confirmation. recordsAffected 0.
Root cause
Nova ransomware group listed Quantum Data Systems (cloudquantum.co) June 24, 2026—unverified