Cathleen Kelly Rebar

Stewart Bernstiel Rebar Smith

Cathleen Kelly Rebar is a Partner and Shareholder at Stewart Bernstiel Rebar Smith. She heads the firms’ liability practice. She has been advising and counseling clients in complex litigation matters for almost two decades. She defends clients in claims pertaining to professional liability and errors and omissions, data privacy and regulatory compliance. She serves as the Chair of the firms’ Information and Security Practice.


Cathleen has handled hundreds of breach matters from inception to conclusion involving a wide cross-section of business sectors.


In addition to heading the breach response team, Cathleen has successfully achieved contribution and indemnity from at fault vendors. Cathleen and her team work seamlessly with approved vendors to manage the crisis stemming from a breach event. Additionally, she provides risk management services pre-breach to reduce the risk and scope of a future breach.


Over the last five years, Cathleen has developed strong relationships with regulators, state agencies and PCI/PFI. In that capacity, she has reduced fines, and successfully reduced the additional requirements imposed by state agencies. She also serves as national breach counsel for insurance companies. Cathleen and her team have also handled litigation stemming from data breaches in multiple venues. In addition to her cyber practice, Cathleen represents professionals in litigation matters.