along with your already skilled hacking, with the knowledge of magic, you can know hack magic as well

you are proficient in any rolls involving hacking digitally as well

reaction hack

when you are being targeted by any spell, you can use your reaction to make an intelligence saving throw, on a succeeded throw, the spell cancels out and nothing happens

you can only hack spells equal to your spell level

example: if your up to third level spells, you can only hack 3rd level and lower spells

data steal

when you succeed in a reaction hack roll, instead of canceling it out, you can choose to either

A.) absorb it and refresh a spell slot (if you absorb a 3rd level spell, then you refresh a third level spell slot

B.) store the spell, and launch it back as an action, you can hold onto it for two turns before it fades away

info accessed

you can hack into someone from within 10 ft away, they must make a wisdom saving throw, if they fail, you can either

A.) see all their spells, their next spell has disadvantage

B.) see their resistances, immunities, and weaknesses, your next attack against them has advantage

full access

you can hack someone from 15 ft away, they must make a wisdom save, on a failed save, you can steal up to 3 of their spell slots, and refresh your own (steal a 3rd level, refresh a 3rd level). when you steal theirs, they don't permanently lose the spell slot, it just counts as spending those spell slots

proficiency

even though your mostly hacking magic, your still a master at digital hacking

you have proficiency and advantage in any rolls involving digital hacking