How small states prepare for cyber-war

With Russian tanks and rebels firmly lodged in eastern Ukraine, Eastern Europe has been on high alert for months. As Russian bombers intermittently skirt or trespass Western airspace -- and a foreign submarine was reported to be hiding out in waters just off Stockholm last year -- the Baltic states of Estonia, Latvia and Lithuania have ramped up expenditures on armored personnel carriers, mobile missile launchers and other hardware to defend their borders.