Photo of Mary T. Costigan

Mary T. Costigan is a principal in the Berkeley Heights, New Jersey, office of Jackson Lewis P.C. and a core member of the firm’s Privacy, Data and Cybersecurity practice group. She holds a Certified Information Privacy Professional/US designation from the International Association of Privacy Professionals (iapp).

Mary advises regional, national and multinational clients across various industries on data privacy and cybersecurity laws and best practices including employee monitoring, internet privacy, biometric data collection, artificial intelligence, the California Consumer Privacy Act (CCPA), HIPAA, and the EU General Data Protection Regulation.

Mary has extensive experience helping clients respond to cybersecurity incidents including ransomware attacks.

The Swiss Federal Council has added the U.S. to the list of countries with an adequate level of data protection. Effective September 15, 2024, U.S. organizations that certify to the Swiss–U.S. Data Privacy Framework (DPF) can commence receiving transfers of personal data from Switzerland without implementing additional safeguards.

While U.S. organizations were permitted to certify

On June 25, 2024, Rhode Island became the 20th state to enact a comprehensive consumer data protection law, the Rhode Island Data Transparency and Privacy Protection Act (“RIDTPPA”). The state joins Kentucky, Maryland, Minnesota, Nebraska, New Hampshire, and New Jersey in passing consumer data privacy laws this year.

The RIDTPPA takes effect on January

On May 24, 2024, Minnesota’s governor signed an omnibus bill, HF4757 which included the new Consumer Data Privacy Act. The state joins Kentucky, Nebraska, New Hampshire, New Jersey, and Rhode Island in passing consumer data privacy laws this year.

Minnesota’s law takes effect July 31, 2025, except that postsecondary institutions and nonprofit corporations governed by

In 2020, Daniel Anderl, the son of Federal Judge Esther Salas, was shot and killed by a man targeting the judge. It is believed the man found the judge’s home address online. In reaction to the murder, New Jersey enacted “Daniel’s Law” which prohibits the disclosure of the home address and unpublished telephone number of

Maryland’s governor recently signed the Maryland Online Data Privacy Act of 2024 (MODPA), making Maryland one of six states—along with Kentucky, Nebraska, New Hampshire, New Jersey, and Rhode Island—to pass a comprehensive privacy law this year.  Overall, 19 states (and counting) now have such laws on their books.  

Maryland’s law takes effect October 1

The California Privacy Protection Agency (CPPA) issued its first enforcement advisory concerning the California Consumer Privacy Act (CCPA). In Enforcement Advisory No. 2024-01, the CPPA tackles a foundational principle – data minimization. Much of the attention surrounding the CCPA seems to focus on website privacy policies, notices at collection, and consumer rights requests. With

As Cybersecurity Awareness Month wraps up, it’s worth mentioning that employee security awareness training is an ongoing process. Employee error remains a significant contributing factor in data breaches. According to  the 2022 Verizon Data Breach Report, “74% of all breaches include the human element… error, privilege misuse, use of stolen credentials or social engineering.”