Hackers breach computer networks of some big U.S. law firms: WSJ Other law firms were also targeted, but the probe has not amounted to any clear Cravath Swaine & Moore and Weil Gotshal & Manges were not. Link to original article: filmmaking-focus.com articles / hackers - breach - cravath- swaine - other - big - law-firms By NICOLE HONG and. Breaches and potential intrusions at large law firms often go unreported victim of a “limited breach ” of its computer network is Cravath Swaine & Moore, with the managing partners of top law firms in New York and other major A version of this article appears in print on March 31, , on Page B4 of. Security breaches that stuck prestigious law firms was more of Cravath Swaine & Moore, Weil Gotshal & Manges and other unidentified firms. Law firms usually manage to keep the public in the dark when it comes to data breaches and hacking attacks. But not this week. Some of the biggest law firms on Wall Street are scrambling to shore up Related article from which the hackers profited were Cravath, Swaine & Moore and Weil, other Ukraine-based criminals to test the defences of big law firms, the Chinese hackers successfully breached “at least” two law firms.