They list some big clients on their website - Kaiser Permanente, KPMG, the NHS, etc.
> Prevent breaches and compliance violations with total visibility and control over IP, PII, PHI and all sensitive content exchanged with third parties
edit: The Reserve Bank of New Zealand and the Australian Securities and Investments Commission were also breached, news articles pin the blame on a SQL injection in Accellion's File Transfer Appliance (FTA)
https://www.databreachtoday.com/australian-financial-regulat...