The Amethyst Code

There's more than his reputation at stake.
Security Analyst, Simon Hawke, suspects a highly classified program he developed has been used to breach world banks and military databases. If so, the hacker holds the power to wreak havoc on a global scale. Simon and his Special Ops colleagues attend a top-secret cyber fraud summit in an attempt to unmask their cunning adversary. What he finds is an enchantress with an armory of weapons he hadn't bargained on.
She's willing to risk everything.
Robotics engineer, Darius Cortez, is searching for the truth behind her father's death. When an ally points her to Simon Hawke, she's plunged into the unfamiliar world of intrigue, espionage and danger. He is the brilliant student her father mentored and invited into their home, the computer nerd who crushed her heart.
In an attempt to outwit the enemy, Darius employs the unique skills she's spent six years honing. But deciphering who is friend and who is foe becomes a precarious gamble, entangled in a web of conspiracy and desire.