Mike Sullivan Has a Good Friend in a Competing Firm

Mike Sullivan has a good friend in a competing firm whom he meets almost every weekend. On one such meeting, Mike began telling his friend about the recent meetings he had been attending with the managers and revealed some details from his company's strategic plans. Subsequently, Mike's colleagues accused him of helping his friend in the rival firm at the expense of jeopardizing his own company. They reached this conclusion as they had been watching Mike's interactions with his friend over social networking sites. Once they reported this to their managers, Mike was terminated. Which of the following performance issues caused Mike's termination?

A) Employee misconduct on social networking sites
B) Theft
C) Family issues
D) Absenteeism
E) Inability to handle proprietary information