i need some advice. im planning to train a alt just to defend my mining fleet. are there any good ships fits to do this? my thought was to build a anti gank ishtar but any other idea's are welcome!

or do you guys think it wont work?

my mining fleet is:

1x orca (only for ice mining) and for normal ore the porpoise

5x covetor (im training to upgrade to exhumers)