Why? I kept reading and never saw her name mentioned once in the Wikipedia article you cited.
Here is a timeline from WP The short is that there were multiple leaks that were coming from the board of directors (allegedly). Fiorina started a spy program that went way beyond what a company typically would do, including personal data. She gets forced out and her replacements saw the 'spy' program and said "wow neat!" and ended up in front of Congress. Here is a bit more detailThe spy techniques that investigators used included pretexting, the use of social security numbers to obtain private records, physical surveillance and the deployment of an e-mail tracer in an email from a fictitious person with a bogus news tip. HP employees were directly involved in some of the methods, according to Holton.