Malicious outsiders ("outsider hacking") account for what percentage of breaches and how long does it take to breach the system?
a) Approximately 60% of breaches and typically takes weeks to breach the system
b) Approximately 80% of breaches and typically takes hours to breach the system
c) Approximately 40% of breaches and typically takes days to breach the system
d) Approximately 20% of breaches and typically takes months to breach the system