Griswold Controls Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Griswold Controls.
•Discovered on March 7, 2026.
•Confirmation level: Based on reports.

Detailed summary

In March 2026, Griswold Controls, a US-based manufacturing company specializing in flow control technology and valves, was reported to have been hit by a ransomware attack. The Genesis group claimed responsibility for the attack, which was discovered on March 7, 2026, with an estimated attack date of March 6, 2026. This information was sourced from ransomware.live and also reported by hookphish.com.

No information is currently available regarding the number of individuals affected, nor the specific types of data exposed, such as SSN, medical, or financial data. Additionally, there are no details on official breach notifications, state Attorney General filings, company statements, or whether this was a vendor or third-party breach. The extent of the impact and details of any data exfiltration remain unclear.

Details can emerge later as investigations progress, and official notices may be delayed.

Breach Verification Status

Reports Only

Current

Initial dark web reports of potential breach

Company Confirmed

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Monitoring

We're monitoring this situation for developments.

Were You Affected By This Breach?

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Do you use Griswold Controls?

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What should I do?

Change your passwords

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