Gunster, Yoakley & Stewart BreachDate: November 2022

Gunster, Yoakley & Stewart is a commercial law firm with a century of tradition and experience in Florida courtrooms. They have 18 industry teams and employ over 280 attorneys and consultants. Despite Gunster’s impressive courtroom experience, in November 2022, they fell victim to an external data breach.

What Was the Breach?

  • Full Name
  • Date of Birth
  • Social Security Number
  • Financial Account Information
  • Driver’s License Number
  • Medical Information (Record Numbers, Health Insurance Benefits)
  • Claims Data (Diagnosis and Treatment Information)

How Did the Breach Occur?

An unauthorized actor accessed Gunster’s document management file system before officials discovered the event. How the assailants made the attack possible is unclear. However, if the global MOVEit breach taught professionals anything, third-party software has more vulnerabilities than previously thought.

When Did This Breach Occur?

Gunster’s breach happened in late November 2022; they responded by isolating the threat and investigating the event. Gunster provided preliminary notices to some individuals impacted in April 2023, but they had not yet finished their investigations. Their reviews concluded around October 15th; after this, officials moved to send impact notifications. Officials sent subsequent notices around December 1st.

Who Does the Breach Impact?

The public information surrounding Gunster’s breach does not indicate what groups may be impacted by the breach. Presumably, the attack mainly affected individuals or staffers of the company; if the breach included the data of mega-corporation owners, the breach would have made waves last year.

How Many Files Does the Breach Affect?

The breach filing published on the Maine Attorney General’s website indicates nothing about total impact numbers. Regardless of the limited public information, we suggest those who have a relationship with Gunster take action to protect their data. Start by securing and updating the exposed accounts, then invest in monitoring services.

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