Clayton Properties Group, Inc. d/b/a Mungo Homes Data Breach Notice (Massachusetts Attorney General)

The Social Security number belonging to one Massachusetts resident is now in the hands of an unknown party following a data breach at Clayton Properties Group, Inc. d/b/a Mungo Homes. Because a Social Security number cannot be changed or reissued on request, the exposure creates a permanent risk of identity theft and fraud that will last for years.

This is the entire scope of what the Massachusetts Attorney General’s office filing tells us. On August 14, 2026, Mungo Homes submitted a breach notice stating that the records of exactly one person were involved and that Social Security numbers were exposed. No other categories of information are listed in the filing.

A Number That Never Expires

Unlike a credit card or password, a Social Security number is a lifelong identifier. Once it has been exposed, there is no technical fix that makes it private again. Anyone who obtains it can attempt to open accounts, file fraudulent tax returns, claim government benefits, or sell the number on underground markets. The value of that number does not decay with time the way stolen login credentials often do.

The filing does not disclose how the breach occurred, when it occurred, or whether any other information besides the Social Security number was taken. It simply records that one person’s SSN was exposed and that the company is making the required notification to the state.