PORTLAND, Ore.--(BUSINESS WIRE)--Tripwire, Inc., a leading global provider of advanced threat, security and compliance solutions, today announced the results of a survey of 215 attendees at the Black Hat USA 2015 security conference in Las Vegas, Nevada. According to Tripwire’s survey, nearly two-thirds of respondents (64 percent) believe their organizations are potential targets for nation-state cyberattacks. In addition, 86 percent of the respondents have seen an increase in targeted attacks