Things get interesting when you consider Anatman in the context of ‘protecting yourself’.
You are made of non-you elements.
Buddha is made of non-Buddha elements.
This is interdependence!
There are no egos that stand alone, self-sufficient, self-created.
So, the concepts of ‘self-power’ and ‘other-power’ are essentially meaningless. Which mask shall you choose to wear today? That of sentient being? Or that of infinite Buddha?
But, don’t fool yourself. Practice discernment. Use your own Dhamma Mirror and take note of the merit or demerit, or lack of merit and/or demerit, inherent in your actions.
The outward sign of Wisdom is Compassion.
Strive on with diligent mindfulness.