Brown Brothers Harriman & Co. suffered a data breach incident after one of its third-party vendors, R.R. Donnelley & Sons Company was targeted in a cyber attack. The incident compromised the names, mailing addresses, Social Security numbers, and account numbers of about 2800 BBH customers. BBH notified all its impacted customers of the breach.
Source: https://www.jdsupra.com/legalnews/brown-brothers-harriman-co-reports-8938220/
"id": "BRO0322522",
"linkid": "brown-brothers-harriman",
"type": "Breach",
"date": "05/2022",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization's existence"