1. Attack from front:

When an attacker attackes you from the front he usually targets your face, chest or torso.

 

Front shirt grab by Howcast under Fair Use

Bear hug from front by Krav Maga Mindset under Fair Use

 

2. Attack from behind:

When an attacker attackes you from the rear he usually pulls your hair from behind or tries to back hug you or chokes you from rear.

How to Defend against Back Hair Pull by Krav Maga Defense under Fair Use

Rear back hug by Krav Maga Mindset under Fair Use

 

3. Attack with weapons

It is always dangerous to face someone with weapons. You can be attacked with weapons like stick or knife or gun.

How to survive a Knife attack by KRAV MAGA TRAINING under Fair Use

Unarmed self defense by  JarJarDrinks under Fair Use