The Hacker of Escondida

Book 4 of 5 in the Treasure of Escondida mini-series.
"Sofia, resident hacker and pop culture expert, is most comfortable in front of a screen finding information the team can use. As she is researching the latest lead, her worst fear is realized as a sophisticated virus begins to infect the castle’s mainframe. Alex has been tasked with writing, installing, and maintaining a virtual attack on the castle. He’s never encountered a hacker like Sofia, and sparks fly when these two learn more about each other."