Whether it’s to steal intellectual property, information on pending mergers or the credentials to bank accounts, cybersecurity consultants say that foreign governments and organized criminal groups are after the data stored inside many large law firms.

The American Bar Association estimates that 80 percent of the 100 largest firms in the U.S. have been breached, while a survey of members of the International Legal Technology Association released last week showed that for the first time ever, security management is viewed as the biggest challenge facing legal IT departments.