Grant Street Group, LLC

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Grant Street Group, LLC notified Massachusetts residents of a data security incident involving a former third-party service provider, Blank Rome LLP. On May 21, 2026, an attorney at Blank Rome was misled via social engineering into uploading files containing personal information (including W-9 forms with names, SSNs, addresses, and signatures) to an external Google Drive folder. The files were deleted within hours. Grant Street was informed on September 11, 2026. The firm ended its relationship with Blank Rome and is offering two years of credit monitoring.

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