Matthew J. Siegel, CIPP/US



(215) 665-3703

(215) 701-2303

Matt focuses his practice in the areas of cyber and technology risks, privacy compliance, commercial litigation, and insurance coverage. A certified information privacy professional (CIPP/US), Matt co-chairs the firm’s Privacy, Data and Cybersecurity Industry Team and is a member of the Technology Committee.

Matt has counseled clients on the evaluation of data privacy risks, responses and solutions, and he serves as a breach coach, providing analysis and advice to address data breach events, including forensics, notification pursuant to federal and state laws, credit monitoring, and public relations issues. In addition to breach response and privacy compliance, Matt has counseled insurers on the underwriting and coverage issues arising under cyber-risk policies. Matt has also represented a wide variety of clients, including insurers, contractors, product manufacturers, and individuals, and concentrates his practice on complex litigation matters, including prosecuting and defending first- and third-party insurance coverage claims, construction claims, and commercial disputes. 

Outside of the office, Matt is an active member of the community. He is the former vice president of the board of the Support Center for Child Advocates, a nonprofit organization that represents abused and neglected children in Philadelphia. He also serves as chair of the firm's child advocacy practice group and handles several cases for the Support Center. He has lectured at the center’s training program on several occasions, co-chairs the agency’s Volunteer Committee, and was named one of its Distinguished Advocates in 2006. Matt is also a former member of the board of directors of the Jewish Relief Agency, a nonprofit agency that provides food relief to thousands of local citizens in need.

Matt received his Bachelor of Arts in English from Colgate University in 1995. He earned his law degree, cum laude, at Temple University Beasley School of Law in 1998, where he served as an articles editor for the Temple Political and Civil Rights Law Review and was awarded the Barrister Award for achievement in the field of trial advocacy.



Cyber Law Monitor

Following current trends in cyber, privacy, and data security law.


Privacy & Digital-Rights Experts Worry …

April 08, 2020

Matthew Siegel was quoted on Satoshi Nakamoto Blog discussing how countries are using mobile phone tracking to help fight pandemics, and the privacy side behind this.

Zoom's Sudden Rise Presents Test For New Calif. Privacy Law

April 03, 2020

Matthew Siegel was quoted in a Law360 article discussing how Zoom shares and secures personal data.

Matthew Siegel Named to the Rutgers University Cybersecurity Certificate Program Advisory Board

June 14, 2019

Matthew Siegel, a member of Cozen O’Connor’s Privacy & Data Security practice, was named to the Rutgers University Cybersecurity Certificate Program Advisory Board.

Cyber Security Insurance Coverage Issues Presentation

April 24, 2017

Joseph Gerber and Matthew Siegel were invited to present to two Insurance Contact classes at Temple on Cyber Security.

17 Cozen O'Connor Attorneys Awarded Pro Bono Service Awards by First Judicial District of PA

October 29, 2015

The judges of the First Judicial Distrct of PA will present pro bono service awards to 17 Cozen O'Connor attorneys who have handled pro bono matters this year in FJD courts.

Matthew Siegel Discusses the Increased Need for Cyberinsurance

February 17, 2015

In the article titled "The Cost of Cybersecurity: Risks and Responses on the Rise" in The Legal Intelligencer, Matthew Siegel of the Gloabl Insurance Department discusses the increased need for cyberinsurance. Matthew said, "said some insurance policies will provide for lawyers to serve as data breach coaches. Lawyers, he said, can play a lead role in assessing companies' incident response plans and helping put policies in place."

Cozen O’Connor Attorneys Named to First Judicial District of Pennsylvania's 2014 Pro Bono Roll of Honor

November 04, 2014

Sixteen Cozen O'Connor attorneys have been named to the First Judicial District of Pennsylvania's 2014 Pro Bono Roll of Honor. Each year, the pro bono committee of the First Judicial Court recognizes attorneys who have provided pro bono services to litigants in the Philadephia Courts. In order to be named to the Roll of Honor, an attorney must practice in Philadelphia County, must have provided services to a client in a case before the FJD, must not be employed by an organization whose primary purpose is the provision of free legal services to the underprivileged, and must have provided legal services with no expectation of receiving a fee.

Cozen O’Connor Cybersecurity Conference Highlighted in The Wall Street Journal

May 09, 2013

In an article titled, "FBI: Delete Passwords of Ex-Employees," The Wall Street Journal highlights the firm's Cybersecurity Conference, held on Wednesday, May 8, at the W Hotel. Trevor Cloak, Joe Dever, Greg Fliszar, Brian Gillam, Steven Haas, Mike Schmidt, Stuart Shorenstein, Matthew Siegel, Ahren Tryon and Dave Walton presented during the seminar, along with Richard Aborn, President, Citizens Crime Commission of New York City and Austin P. Berglas, Assistant Special Agent in Charge for Cyber, FBI New York Field Office. To read the WSJ article, click here.

Cozen O'Connor Joins Support Center for Child Advocates to Celebrate 35 Years of Child Advocacy

April 16, 2012

Cozen O'Connor Joins Support Center for Child Advocates to Celebrate 35 Years of Child Advocacy

Cozen O’Connor Attorneys Designated 2008 Pennsylvania Rising Stars By Law & Politics

December 01, 2008

Nine attorneys from the firm’s Philadelphia office and two from the West Conshohocken office were named 2008 Pennsylvania ''Rising Stars'' by Law & Politics.


Does the CCPA Apply to Financial Institutions? [Cyber Law Monitor Blog]

April 07, 2020

Despite the global pandemic, the California Attorney General will begin enforcing the California Consumer Privacy Act on July 1 as planned, so even in this new work-from-home environment, businesses must continue to work towards compliance and resolve any open issues. One question we've been asked...

Cybersecurity Best Practices in the Remote-Working Environment [Cyber Law Monitor Blog]

March 31, 2020

In the wake of the COVID-19 crisis, much of the workforce has shifted to working remotely, with many workers operating out of makeshift "offices" they created in their homes with little or no warning. Along with this remote work comes an increased cybersecurity threat. We recently issued a...

Cybersecurity Challenges for Companies in the Wake of the COVID-19 Crisis [Alert]

March 26, 2020

Matt Siegel gives companies seven tips they should keep in mind as their employees try to do from home what they would have otherwise done at the office.

Eight Best Practices for Avoiding Data Breaches [Cyber Law Monitor Blog]

March 06, 2020

As data breaches are on the rise, the old adage rings true: it's not a question of if, but when. More companies are experiencing crippling breaches and the statistics are alarming:  According to IBM Security’s Cost of a Data Breach Report 2019, the average cost of a data breach is $3.9 million and...

Recent Decision Sends Companies Rushing to Review Browsewrap Agreements [Cyber Law Monitor Blog]

October 23, 2018

A California federal court recently held in Rushing v. Viacom, Inc. that an arbitration provision in Viacom’s End User License Agreement (“EULA”) was one click shy of enforceability, and denied the company’s motion to dismiss claims against it pending arbitration. Plaintiffs did not receive...

Anthem Agrees to Record Data Breach Settlement [Cyber Law Monitor Blog]

October 16, 2018

In the wake of the largest U.S. health care data breach in history, Anthem, Inc., has agreed to pay $16 million to the Office for Civil Rights, which is a record settlement for alleged HIPAA violations. According to the Department of Health and Human Services ("HHS"), the previous high was a...

Anthem Agrees to Record $16 Million Settlement for Alleged HIPAA Violations [Health Law Informer Blog]

October 16, 2018

In the wake of the largest U.S. health care data breach in history, Anthem, Inc., has agreed to pay $16 million to the Office for Civil Rights, which is a record settlement for alleged HIPAA violations. According to the Department of Health and Human Services ("HHS"), the previous high was a $5.55...

Technical FACTA Violation Insufficient to Confer Standing [Cyber Law Monitor Blog]

April 05, 2018

A federal court in Texas cut short a putative class action alleging violation of the truncation requirement under the Fair and Accurate Credit Transactions Act (FACTA), sending a clear message to plaintiffs that minor inconvenience flowing from a procedural violation of FACTA does not establish...

Updated SEC Guidance Highlights Importance of Solid Cybersecurity Policies and Procedures [Cyber Law Monitor Blog]

March 16, 2018

The Securities and Exchange Commission (“SEC” or “Commission”) has given public companies a heads up on where the Commission is setting its sights in the ever-developing world of cybersecurity. Here’s what you need to know, and what you need to do, to stay on the right side of the SEC. Public...

EU’s New Privacy Law—What You Need to Know [Cyber Law Monitor Blog]

December 08, 2017

The European Union (EU) Parliament’s new data privacy law, known as the General Data Protection Regulation (GDPR), is set to become enforceable in all EU member states on May 25, 2018, just six months from now. The GDPR replaces the former Data Protection Directive. Among other things, the...

Cybersecurity Best Practices -- How General Counsel Can Prepare For The Worst [Cyber Law Monitor Blog]

November 06, 2017

Take note GCs: The question is not if you will have to respond to a cybersecurity incident—the question is when. That was the message from speakers and panelists at the Association of Corporate Counsel’s annual meeting this year. Indeed, the majority of all U.S. businesses have experienced at...

Latest Spokeo Decision Adds to the Growing Body of Law Supporting Article III Standing for Cybersecurity Plaintiffs [Cyber Law Monitor Blog]

August 30, 2017

We recently wrote about a decision in Attias v. CareFirst, Inc., holding that a class of plaintiffs whose information was compromised in a cyberattack had sufficiently demonstrated standing to survive a motion to dismiss. The U.S. Court of Appeals for the Ninth Circuit now has added to the toolbox...

CareFirst Data Breach Appeal Holds Three Key Lessons for Cyberattack Litigants [Cyber Law Monitor Blog]

August 17, 2017

A recent federal appellate decision suggests that it might be getting easier for cyberattack plaintiffs to establish standing in a manner sufficient to survive a motion to dismiss. According to the U.S. Court of Appeals for the District of Columbia Circuit, people whose personal information was...

Coca-Cola Dodges Privacy Class Action [Cyber Law Monitor Blog]

April 12, 2017

Coca-Cola won big last month when it secured summary judgment in a privacy class action brought by a former bottling plant employee concerning compromised personal information. Hon. Joseph Leeson of the Eastern District of Pennsylvania found that Coca-Cola was not under any contractual...

Win for Insurance Industry in Computer Fraud Coverage Ruling [Cyber Law Monitor Blog]

March 31, 2017

Computers are involved at some point in almost every business transaction—that is the reality of life in the digital age. The implications of that fact are still being worked out with respect to the interpretation of insurance contract computer fraud provisions. This month, a judge in the...

Fourth Circuit To Plaintiffs: “Could” Isn’t Enough For Standing [Cyber Law Monitor Blog]

March 15, 2017

A split continued to develop in the federal courts last month as the Fourth Circuit denied Article III standing to the plaintiffs in a data breach case whose alleged injuries were limited to the increased risk of future identity theft and the cost of measures to protect against it. The Fourth...

Protect Against Cyber Attacks: A New Guide to Help Small Businesses [Cyber Law Monitor Blog]

December 16, 2016

No business is too small to be the victim of a cyberattack. In fact, as larger companies invest more resources in cybersecurity, attackers are beginning to target smaller, less secure businesses. It is important for every small business to understand the risks and be prepared. To help, the...

Commercial Trucking Goes Green for Safer Streets [Cyber Law Monitor Blog]

November 17, 2016

A new federal mandate requires most commercial truck drivers to “go green” by trading in their old paper logs for electronic logging devices (ELDs) by December 18, 2017. Thought to affect roughly 3.5 million truck drivers, the new mandate is intended to increase driver compliance with federal...

FTC Overturns ALJ’s LabMD Decision and Reasserts its Role as a Data Security Enforcer [Cyber Law Monitor Blog]

August 26, 2016

On July 29, 2016, the Federal Trade Commission (“FTC” or “Commission”) reversed an FTC administrative law judge’s (“ALJ”) opinion which had ruled against the FTC, finding that the Commission had failed to show that LabMD’s conduct caused harm to consumers to satisfy requirements under Section 5 of...

Data Breach Plaintiffs Continue to Face Article III Standing Challenges [Cyber Law Monitor Blog]

August 18, 2016

Standing remains a high hurdle for individuals whose personal information is compromised as a result of a data breach but who cannot establish that the stolen information was actually used improperly. Class action claims against CareFirst Blue Cross Blue Shield related to a 2014 breach were...

Chinese Leftovers: P.F. Chang’s Not Entitled to $2 Million in Breach Costs [Cyber Law Monitor Blog]

June 16, 2016

In what is thought to be the first published decision in a cyber insurance coverage case, popular Chinese restaurant chain, P.F. Chang’s, was denied coverage for certain costs incurred as a result of a 2014 data breach. Unfortunate as it may be for P.F. Chang’s, this court ruling offers a...

The Property Adjuster’s Toolbox

October 08, 2013

The Property Adjuster’s Toolbox is a three-part webinar series presented by members of the firm’s Global Insurance Department. The presentations discuss the nuts and bolts of investigating and adjusting a claim under a first-party property insurance policy.

Sixth Circuit Confirms that Cybercrime is Crime... and Finds Coverage [Global Insurance Alert]

September 14, 2012

Sixth Circuit Confirms that Cybercrime is Crime... and Finds Coverage - Global Insurance Alert - On August 28, 2012, the 6th Circuit Court of Appeals handed down a groundbreaking decision that sent shock waves through the world of cyber-risk insurance.

SHARING RISK: Indemnification can be a valuable tool for builders [Construction Today]

August 01, 2010

SHARING RISK: Indemnification can be a valuable tool for builders - Construction Today - a familiar scenario – you are the general contractor on a large commercial project; the cast of characters working with you is huge,
the relationships complex. As the general contractor, your primary responsibility is the coordination of the construction, including scheduling and logistics so the work of your subcontractors is carried out as efficiently and smoothly as possible

Dangerous Liaisons: What to Do Before Things Go Wrong [Constructor Magazine]

January 28, 2009

Dangerous Liaisons: What to Do Before Things Go Wrong - Constructor Magazine - An indemnification or hold- harmless clause in a construction contract shifts liability and protects parties involved in the agreement.
Take a typical scenario: an owner hires an architect and a general contractor to design and build an addition. The general contractor hires various subcontractors. During construction, a collapse occurs, causing extensive damage and injuries. The injured workers file lawsuits against the owner, architect, GC and various subs.

Are You Really Covered By Your Insurance? [STRUCTURE]

December 01, 2007

Are You Really Covered By Your Insurance? - STRUCTURE - Engineers and other entities in the construction industry must understand their policies, the extent of the coverage provided, the effects of various exclusions in the polices and the duties arising under the policies and applicable contracts (in terms of defending or indemnifying another contractor or subcontractor) in order to adequately protect themselves when a catastrophic event occurs during construction.

Events & Seminars

Past Events

Insurance and Reinsurance Symposium

March 12, 2020 - Philadelphia, PA

NetDiligence Cyber Claims Study

November 06, 2019 - Webinar

Smart Talk: Cyber Security

September 17, 2019 - Philadelphia, PA

Emerging Legal Issues in Health and Pharmaceutical Law

October 10, 2017 - Indianapolis, IN

Ethical Use of Technology

July 21, 2017 - Webinar

2015 Casualty & Specialty Products Seminar

November 19, 2015 - New York, NY

May 2015 PACT Cybersecurity Series Event

May 07, 2015 - West Conshohocken, PA

2014 Professional Liability Seminar

October 23, 2014 - New York, NY

2014 National Property Insurance Seminar

April 17, 2014 - New York, NY

PACT Industry Event

January 15, 2014 - Philadelphia, PA

New Jersey Law Journal In-House Counsel CLE Seminar

November 22, 2013 - Florham Park, NJ

National Property Insurance Seminar

June 20, 2013 - New York, NY

Cozen O'Connor's 2013 New York Litigation Seminar

February 12, 2013 - New York, NY

Industry Sectors


  • Temple University School of Law, J.D., cum laude, 1998
  • Colgate University, B.A., 1995

Awards & Honors

Super Lawyers "Rising Stars" - 2008, 2011, 2013

First Judicial District Pro Bono Honor Roll - 2007-2019

Good Shepherd Mediation Program "Most Valuable Peacemaker" for Pro Bono work - 2006

Recipient of Distinguished Advocate Award by Philadelphia Support Center for Child Advocates

  • New Jersey
  • Pennsylvania
  • Pennsylvania Supreme Court
  • Superior Court of New Jersey
  • Supreme Court of New Jersey
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- New Jersey
  • U.S. Court of Appeals for the Third Circuit
  • American Bar Association
  • Defense Research Institute
  • Pennsylvania Bar Association
  • Philadelphia Bar Association
  • Philadelphia Support Center for Child Advocates
  • International Association of Privacy Professionals