The bad guys are trying to break into your IT system: They've got tactics, techniques, and procedures (TTPs) they deploy. What about the "good guys" in security? They need a strategy to defend and respond, which starts with better understanding the enemy, in this case, intruders/hackers. In this video, Jeff "the security guy" presents the MITRE ATT&CK framework; it defines nomenclature for classifying and describing cyberattacks and intrusions, as well as the TTPs behind them, so you can "know your enemy".