SAN FRANCISCO — High-profile data breaches in the past few years have been a wakeup call for corporate America—and made cybersecurity and data privacy the next “it” practice for lawyers. There’s been a gold rush to the field, practitioners say—and the potential rewards have attracted some Johnny-come-latelies and pushed attorneys to seek out new ways of distinguishing themselves as experts.

“Recently the client demand for these services has definitely gone through the roof,” said Greg Parks, co-chair of Morgan Lewis & Bockius’ privacy and cybersecurity practice, who is based in Philadelphia. “It is an exploding hot area right now.”