A 90-day warranty applies, but it's unclear who backs it. Also note that this item has an estimated ship time of one to two weeks.
Of note, Total Defense Premium Internet Security must be activated before the rebate can be redeemed, which involves providing your credit card information. However, you can cancel the service at any time within the first year without incurring any additional charges.
Note that this item has an estimated ship date of December 12.