The spate of cyber-attacks that rocked U.S. companies in 2014 came at just the right time for Tel Aviv-based Radware Ltd., which spent the last three years doubling its U.S. sales force. Radware, whose technology distributes workloads across networks and helps fend off threats, reported third-quarter earnings-per-share on Oct. 28 that beat the average analyst estimate by 24 percent, triggering the biggest rally in the stock since 2010.