Greylock McKinnon Associates falls victim to cyberattack, 341,650 Social Security numbers stolen

Greylock McKinnon Associates (GMA), a Boston consulting firm, became the latest reported victim of a sophisticated cyberattack affecting 341,650 users.

As per reports, the breach occurred on May 30, 2023, and GMA soon informed law enforcement and DOJ. Details pertaining to the breach are available with the Office of the Maine Attorney General and can be accessed from its official website.

In the meantime, GMA hired cybersecurity experts to mitigate the threat and identify the extent of damage. By February 7, 2024, the consulting firm had discovered the extent of the data breach, what information was stolen, and the details of the affected users.

Greylock McKinnon Associates notifies users of the breach

As more details emerged of the cyber breach, Greylock McKinnon Associates got into the process of notifying users on April 4, 2024. It sent out a notice to affected parties on April 8, 2024, roughly a year after the data breach.

As for the information breached in the cyber attack, GMA confirmed that it included the Social Security number.

Your personal and Medicare information was likely affected in this incident. This information may have included your name, date of birth, address, Medicare Health Insurance Claim Number (which contains a Social Security number associated with a member) and some medical information and/or health insurance information.

The good news at the moment is that there has been no reported misuse of the breached information, and GMA has confirmed the same in its notice to affected users.

At this time, GMA is not aware of any reports of identity fraud or improper use of your information as a result of this incident. We have been informed by the DOJ that the Centers for Medicare and Medicaid Services will begin to monitor for any improper use of your Medicare information.

Now, Greylock McKinnon Associates is offering 24-month complimentary access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services to the affected parties. This will help notify you of any changes to the credit file the same day.

Cyber attack statistics for 2024 hint towards a worrying future if the necessary steps are not taken right away. Recent cyber attacks were fueled by AI, which increased their scale and made them difficult to detect. As per Microsoft, 87% of companies in the UK are at risk of an AI cyberattack.

What’s your take on the GMA data breach and increasing cyberattacks in general? Share with our readers in the comments section.