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Incident

Topcon Healthcare Solutions

Incident posture

Attack window
Jan 2023
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-10-15 00:00

Linked entities

Victim
Topcon Healthcare Solutions
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Jan 2023
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

Topcon Healthcare Solutions experienced a cybersecurity incident involving unauthorized access to documents on its systems over a one-month period, impacting 4,209 individuals. The breach investigation remains ongoing to determine the specific types of exposed protected health information, with notification letters pending completion of this review. The incident was reported to regulatory authorities as a data compromise affecting patient confidentiality.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

2 techniques

Description

Topcon Healthcare Solutions, a provider of imaging, diagnostic, and intelligent data technologies, detected a security breach on February 5, 2023. A forensic investigation confirmed unauthorized access to documents on its systems between January 7, 2023, and February 5, 2023. The company reported the breach to the Maine Attorney General, indicating that protected health information was exposed and up to 4,209 individuals were affected. Topcon disclosed the incident publicly through a breach notification dated May 22, 2023, though the investigation remained ongoing at the time of reporting. The unauthorized access period spanned 29 days before detection, during which attackers compromised documents stored on Topcon's infrastructure.

The organization stated its review process was still working to determine the specific types of exposed information, delaying individual notifications until the analysis concluded. No details were provided about the methods used to gain unauthorized access, whether data was exfiltrated, or if ransomware or encryption was involved. Topcon did not disclose operational impacts, system downtime, or whether data restoration from backups was required. The breach notification confirmed planned communications to affected individuals once the scope was fully mapped, but no complementary protections like credit monitoring were mentioned. As of the latest reported update, the forensic examination continued without public confirmation of final data categories compromised or evidence of misuse.

Sources

Sources available to members: 1 source.

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