Android Lock Patterns Suffer from Similarity Problem

We’ve been warned ten thousand times about common passwords. But what about common Android Lock Patterns (ALPs)? “The Tic-Tac-Toe-style patterns, it turns out, frequently adhere to their own sets of predictable rules and often possess only a fraction of the complexity they’re capable of. The research is in its infancy since Android lock Patterns (ALPs) are so new and the number of collected real-world-patterns is comparatively miniscule. Still, the predictability suggests the patterns could one day be subject to the same sorts of intensive attacks that regularly visit passwords.”