Lawyers often don’t think about the ethics rules as applied to their conduct online or through the use of technology, panelists said at a recent conference hosted by PLI’s TechLaw Institute. But as technology advances and continues changing the way lawyers practice, the ethical obligations of lawyers have also evolved in light of the new ways that practitioners communicate with clients, and store and use sensitive information. Addressing technology issues through a legal ethics prism, panelists David J. Elkanich, a partner at Holland & Knight, and Pamela A. Bresnahan, a senior partner at Vorys, Sater, Seymour and Pease, discussed the ethical issues that lawyers face when using technology in their practices, and the practical steps lawyers can take to prevent or mitigate these risks. This article, the first of our two-part series, covers ethical rules as they apply to technology and the proper use of cloud technology and mobile devices. The second part will cover ethical guidance for attorneys in the realm of social media. See also “Understanding and Addressing Cybersecurity Vulnerabilities at Law Firms: Strategies for Vendors, Lawyers and Clients” (Jun. 3, 2015).