As former Homeland Security Secretary Janet Napolitano pointed out, if you build a 50-foot wall, you'll soon be confronted with a 51-foot ladder. You need a strategy that involves layered defense: deployed patrols, sophisticated sensor equipment, and surveillance from the air. That is what has had a positive impact over the last generation.

Russia has a strategy of creating the conditions that give rise to corruption, then exploiting that corruption to its own benefit.

Attack! Always Attack!

Donald Trump and his personal attorney want to lay the foundation to discredit whatever Bob Mueller comes up with. They're essentially engaging in a scorched-earth litigation strategy that is beginning with trying to discredit the prosecutor.

There is in guerilla warfare no such thing as a decisive battle.

When guerillas engage a stronger enemy, they withdraw when he advances, harass him when he stops, strike him when he is weary, pursue him when he withdraws.

Wishing of all strategies, is the worst.

No plan can prevent a stupid person from doing the wrong thing in the wrong place at the wrong time - but a good plan should keep a concentration from forming.

Complaining is one of the ego's favorite strategies for strengthening itself.

Today is just to the beginning of a long and overdue national discussion on how to protect ourselves from modern cyber crime and evolving national security threats and how to develop the cyber offense strategies necessary to gain a critical security edge in the 21st century. We need the edge, and ideally, a big one.