In this week's update, we explore witness testimony from congressional hearings examining the evolution of cyber threats targeting U.S. critical infrastructure since the discovery of Stuxnet, the world’s first digital weapon. An expanded written version of this report can be found in our weekly Threat Journal email newsletter. You can subscribe for free by visiting https://www.ThreatJournal.com. A link to this issue will be sent to you immediately via email. AlertsUSA Homepage http://www.AlertsUSA.com – (Homeland Security Alerts for Mobile Devices) AlertsUSA on Facebook https://www.facebook.com/alertsusa AlertsUSA on Twitter https://twitter.com/alertsusa Threat Journal on Twitter https://twitter.com/threatjournal Threat Journal Homepage https://www.ThreatJournal.com