There are different patrons for different 'attacking' agents, such as wild animals, bees, snakes, etc. You need to specify a specific problem.
They Attack.
Attack on Saint Martin happened in 1644.
The Saint Christopher medal is often worn as a symbol of protection during travel. Saint Christopher is the patron saint of travelers in the Catholic tradition, believed to safeguard against accidents and danger while on a journey.
a firewall
The patron saint against enemy plots is St. Drausinus.
a cap and tail
Saint Brigid's Cross
Any saint you pray to can do that but the responsibility is usually accorded to your guardian angel.
Vitamin E.
St. Raphael is the patron saint of lovers, or engaged. He protects those who have found their "Mr. or Mrs. Right"
it uses its tail to attack things or swim away ... apparently
Innate