75% cashback at Norton. 85% with ANZ Max
I can vouch for Norton products as I currently use them, they work and aren't dodgy and the antivirus works well.
I can't see an expiry at this time, but I will update when I can.
Cashback is ineligible when using codes not listed on Cashrewards.
Cashback is ineligible on free trials.
Cashback is ineligible on legacy products or any products not listed on the "Products and Services" page of the Norton Lifelock website.