In an effort to satisfy clients concerned about possible security breaches, at least 10 Am Law 200 firms and two Magic Circle firms have attained a special certification to demonstrate they’re taking steps toward protecting their documents and communication systems, and at least 21 more are in the process of seeking certification, with some consultants speculating that even more will be certified by the end of the year.

Businesses of all types can receive the certification, called ISO 27001, if they meet an international cybersecurity standard, but consultants who help companies get certified say that in the past year they’ve been inundated with inquiries from law firms.