ONCE UPON A TIME, this head-to-head would have been billed a clash of the titans. Nowadays, however, both McAfee and Norton find themselves squeezed by an increasingly crowded market. Nevertheless, both continue to hold their own, so for this match-up we’ve paired their premium products—McAfee Total Protection and Norton 360 Deluxe— against each other. We’ll see how their core protection matches up, plus which one delivers the best range of features.