Still Waters - Season One of Garza Security by Ferndean Press
Still Waters run deep, it's okay if you have to borrow floaties. Sara Waters needs a favor, and it’s not the kind she can pay back with a batch of homemade cookies. Her best friend's stalker ex-husband is back, and Sara wants to help her disappear. Sara, a NSA network specialist, doesn’t have those kind of skills, but she knows Joaquin Garza, of Garza Security, does. In exchange for Abigail’s new identity, he wants Sara to consult for six weeks upgrading the network security for his clients. The two compromise, ensuring Abigail’s safety for Sara’s evenings and weekends. But the ex starts to stalk Sara, and things go downhill from there.