Countless corporate cyber crime victims have avoided contacting law enforcement, fearing reputational, regulatory, litigation or operational consequences. Given the increased number and sophistication of cyber attacks, more corporations will consider the merits of integrating law enforcement agencies into their incident response strategies. In the first article of this two-part series, in-house and outside counsel along with government officials share insight on the risks and benefits of coordinating with these agencies, and recommendations for when and how to establish a successful relationship with them. Part two will address interacting with law enforcement when there is a breach, including expert advice regarding the first call, the controls companies should have in place and the type of information the agencies really need. See also “Google, CVS and the FBI Share Advice on Interacting With Law Enforcement After a Breach” (May 11, 2016).