www.securityweek.com 7/14/2026, 6:31:04 PM · external

Synopsys refutes D1R ransomware claim of Bosch data breach

Synopsys refutes D1R ransomware claim of Bosch data breach
CyberSIXT Evidence Panel Source marked as original reporting
Threat Actor
D1R

SYNOPSYS , a silicon-to-systems design firm, reported no evidence of a data breach despite claims from a new ransomware group, D1R, that they hacked into its systems and accessed sensitive data from Bosch, a major client. The cybercriminals alleged the exploitation of a vulnerability in Synopsys’ website and threatened to leak data unless a ransom was paid. Synopsys has stated that their data security is a priority, with ongoing monitoring confirming no unauthorized access.

Bosch emphasized its commitment to cybersecurity but did not provide further details on the incident. D1R's claims may be exaggerated, as a document presented as proof appears to be publicly available information.

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Article by CyberSIXT