Increasingly, alliances are viewed as an important way to improve data security.  The Washington Post reports that the National Security Agency is now working with Internet service providers to thwart cyberattacks against defense firms by foreign adversaries.  We have previously noted two other initiatives:   the Advanced Cyber Security Center (to which Foley Hoag serves as legal counsel).and InfraGuard, a Federal Bureau of Investigation program.  One of the oldest and best examples of successful collaboration is PCI, the credit card industry's security program.