Comcast Data Breach Class Action Lawsuit Investigation

At a glance

  • What is the Comcast data breach about?

    Our firm is investigating a potential lawsuit after Comcast failed to prevent hackers from accessing 35.8 million individuals’ private information.
  • Who and what were affected by the Comcast data breach?

    Comcast has said that hackers likely stole the personal info of 35.8 million people, including the last 4 digits of SSNs and dates of birth of many.
  • What is the goal of this investigation?

    Gibbs Law Group would seek compensation for the data breach victims, who may include all of Xfinity’s 32 million broadband customers.

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Comcast Data Breach Notification 2023

Comcast has acknowledged that hackers likely stole millions of customers’ personal information via a cybersecurity vulnerability called the “Citrix Bleed,” back in late October. In legal filings, Comcast has said that nearly 36 million people were affected by the breach.

Comcast has sent a data breach notification to Xfinity customers that their stolen information may include:

  • The last four digits of Social Security number
  • Password
  • Username
  • Date of birth
  • Account security questions and answers
  • Name
  • Contact information


Comcast Data Breach – What to Do

Xfinity hacker stealing customer data in Comcast data breach, representationOn December 8, 2023, Comcast notified millions of its Xfinity customers that hackers had stolen a treasure trove of their personal information from Xfinity’s internal systems. The notice instructs all of Xfinity’s 32 million customers to change their username and password, change their login information for any other accounts that use the same username or password, and enroll in two-factor authentication. Comcast stated in a legal document filed with the state of Maine that 35.8 million people were affected by the breach, and news reports suggest that all Xfinity customers may be affected.

Class Action Lawsuit for the Comcast / Xfinity Data Breach

Gibbs Law Group is investigating a potential class action lawsuit on behalf of millions of Xfinity customers whose personal information was stolen in the recent data breach. We would seek compensation for the victims and demand that Comcast provide full support and protection services to those affected.

Are you an Xfinity customer?

Our Data Breach Attorneys

David Berger

David represents consumers in data breach, privacy, and financial services litigation. He has prosecuted some of the largest privacy cases nationwide.

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Eric Gibbs

A founding partner at the firm, Eric has negotiated groundbreaking settlements that favorably shaped laws and resulted in business practice reforms.

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Linda Lam

Linda focuses her practice on representing consumers, small businesses, and employees in complex litigation.

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Jeff Kosbie

Jeff represents workers and consumers in complex class actions involving data breaches and privacy, employment law, and other corporate misconduct.

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David Berger’s Leadership in Data Breach Litigation

David Berger represents consumers in class action lawsuits with a special emphasis on data breach, privacy, and financial services litigation. He previously represented consumers in a data breach lawsuit against Equifax, resulting in a historic $1.5 billion settlement on behalf of 147 million consumers whose Social Security numbers and other private data were exposed in a 2017 breach.

David has represented consumers in some of the largest and most influential privacy and data breach cases in the country and has repeatedly attained settlements that set the record for the largest data breach settlement in history.  He frequently speaks at conferences on data breach cases and other class action topics. David is a former Chair of the American Association for Justice’s Consumer Privacy and Data Breach Litigation Group.

About Us

Gibbs Law Group is a California-based law firm committed to protecting the rights of clients nationwide who have been harmed by corporate misconduct. We represent individuals, whistleblowers, employees, and small businesses across the U.S. against the world’s largest corporations. Our award-winning lawyers have achieved landmark recoveries and over a billion dollars for our clients in high-stakes class action and individual cases involving consumer protection, data breach, digital privacy, and federal and California employment lawsuits. Our attorneys have received numerous honors for their work, including “Top Plaintiff Lawyers in California,” “Top Class Action Attorneys Under 40,” “Consumer Protection MVP,” “Best Lawyers in America,” and “Top Cybersecurity/ Privacy Attorneys Under 40.”

titan of plaintiffs bar award
best law firm ranking
chambers USA leading firms award
daily journal top plaintiff lawyers award