In previous columns, we have addressed your duties as a lawyer to protect your clients’ data from exposure, including discussion of the American Bar Association’s Form Opinion 477R and the “technological amendments” to the Model Rules of Professional Conduct.On Wednesday, the ABA issued Formal Opinion 483, Lawyer’s Obligations After an Electronic Data Breach or Cyberattack. This column discusses this latest formal opinion.According to one of my sources, the members of then Cybersecurity Legal …