Keane bemoaned Tottenham's "criminal" defending after they were beaten 2-1 in their opening Champions League group game against Monaco.
But he also stated: "There's been a great improvement from Spurs in the last two, two-and-a-half years, but they're still missing something, a bit of steel, a bit of intensity. That's why they're still short in terms of winning trophies.
"I think they'll get out of this group though. They have enough in their locker. There's a lot of talent in the team and in the squad to get out of the group."