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Marcus Christian is a co-leader of the Washington DC Litigation & Dispute Resolution practice and a partner in Mayer Brown's Cybersecurity & Data Privacy practice and White Collar Defense & Compliance group. Since joining Mayer Brown in 2013, Marcus has represented clients in matters involving data security planning, board governance of cybersecurity, cyber fraud, data breach response, and congressional investigations, among others.

Marcus is a recognized leader in cybersecurity. He has been named to Cybersecurity Docket's "Incident Response 30," recognizing 30 of the "best and brightest data breach response lawyers in the business" three times. The publication also noted that those recognized "have established themselves as the 'first call' for companies hit with a cyber attack or other data security incident." Marcus was also named to the Washingtonian’s Top Lawyer list in 2018 and 2019.

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On December 12, 2023, the Department of Justice (DOJ) issued guidelines for companies to follow in requesting that the Attorney General authorize delays of cyber incident disclosures required by the U.S. Securities and Exchange Commission (“SEC”) pursuant to Form 8-K Item 1.05.

In July, the SEC finalized a rule (the “Final Rule”), which comes

On October 25, 2023, the Cybersecurity and Infrastructure Security Agency (“CISA”) and the Department of Health and Human Services (“HHS”) released a cybersecurity toolkit containing resources and information that organizations in the healthcare and public health (HPH) sector can utilize to reduce their cyber risk.

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Oregon has joined 10 other states in enacting a comprehensive data privacy law.1 On July 18, 2023, Governor Tina Kotek signed the Oregon Consumer Privacy Act (the “Oregon Privacy Law”) into law. The law imposes a range of new data privacy requirements on non-exempt controllers and processors of Oregon consumer personal data. The Oregon

The Biden administration released its National Cybersecurity Strategy (“Strategy”) on March 2, 2023.1 The Strategy builds on previous policy actions by the Biden administration that sought to strengthen cybersecurity in critical infrastructure and protect personal data, including through regulatory action, government procurement requirements, and an emphasis on software security. The Strategy calls for (1)

Following on from our alert in relation to technology, data privacy, cybersecurity and IP legal developments to look out for in 2023, this update outlines some of the potential developments and trends in the UK cyber incident response landscape for 2023.

Increased litigation risk for cyber breach victims – the Information Commissioner’s Office begins naming

There has been a whirlwind of activity over the past year as states enact and implement comprehensive consumer privacy laws. Starting with the passage of the California Consumer Privacy Act (CCPA) in 2018, which became effective in 2020, the US state privacy legal landscape has continued to develop rapidly. New comprehensive privacy frameworks are set

Ransomware attacks continue to cause serious disruption to organizations and show no signs of slow-down.  What starts as a security failure quickly becomes a serious business risk, requiring decision-making at the board level. Our speakers will touch on various legal and technical factors impacting a company’s response to a ransomware attack and provide practical advice

On October 7, 2022, President Biden signed an Executive Order on Enhancing Safeguards for United States Signals Intelligence Activities,1 which is intended to implement U.S. commitments under the Trans-Atlantic Data Privacy Framework (DPF) announced in March 2022. With the new executive order, the Biden administration aims to strengthen the legal foundation for trans-Atlantic

The United States Supreme Court recently issued its decision in Dobbs v. Jackson Women’s Health Org., ––– U.S. –––, 2022 WL 2276808 (2022), overturning Roe v. Wade, 410 U.S. 113 (1973), and Planned Parenthood of Southeastern Pennsylvania v. Casey, 505 U.S. 833 (1992). In holding that the U.S. Constitution does not protect

Strengthening the nation’s cybersecurity has been a top priority for the Biden administration, as reflected in its collaboration with industry, regulatory actions, and the legislation it has supported in Congress, including the Cyber Incident Reporting for Critical Infrastructure Act of 2022. Executive action has been a key tool in the Biden administration’s cyber policymaking toolkit.