Two-fifths of the Top 50 U.K. law firms do not have the highest level of cybersecurity accreditation offered by a U.K. government-backed scheme, according to research by International. 

Eleven firms including Linklaters, Travers Smith and Watson Farley & Williams do not have the U.K. accreditation called Cyber Essentials Plus, which is recommended by the Solicitors Regulation Authority.