The best defense is a strong offense. That means hunting down and prosecuting threats. The side with initiative has the superior position, unless the defenses are so unsurmountable that attack is more costly than defense. In the final analysis, what makes you feel safer — a lack of criminals on your street, or iron bars on your windows? I was reminded of this lesson when I read Tom Ptacek’s post “The Only Defense Is A Good Defense” Tom disagrees and says that “Firewalls” and “IT and Network Security teams” have “done the most to improve security over the last 5 years.””]
Source: https://taosecurity.blogspot.com/2005/12/defense-seldom-wins-wars-in.html