Nathan M. Crystal, Ethics Watch: Technology and Confidentiality (Part I), South Carolina Lawyer 12 (Sept. 2011)
From the article: The basic obligation of lawyers with regard to confidential client information is clear: lawyers must take reasonable steps to protect the confidentiality of such information. South Carolina Rule of Professional Conduct (SCRPC) 1.6, comment 18 states: “When transmitting a communication that includes information relating to the representation of a client, the lawyer must take reasonable precautions […]