Question 1

What happened in the Hallisey & D’Agostino, LLP data breach?

Accepted Answer

Hallisey & D’Agostino, LLP experienced a unknown breach that occurred on September 28, 2025. The breach was discovered on October 21, 2025 and publicly disclosed on April 17, 2026.

Question 2

How many people were affected by the Hallisey & D’Agostino, LLP breach?

Accepted Answer

16,683 individuals were affected by the Hallisey & D’Agostino, LLP data breach.

Question 3

What data was exposed in the Hallisey & D’Agostino, LLP breach?

Accepted Answer

The following types of data were exposed: Names, Addresses.

Question 4

What should I do if I was affected by the Hallisey & D’Agostino, LLP breach?

Accepted Answer

If you were affected, you should: monitor your financial accounts for suspicious activity, consider placing a fraud alert or credit freeze with the major credit bureaus, watch for official notification letters from Hallisey & D’Agostino, LLP, and be cautious of phishing attempts that may reference this breach.

Hallisey & D’Agostino, LLP Data Breach

Data Exposed

Timeline

Sources