CCF-B

We propose a word extraction approach for passwords, and further present an improved PCFG model, called WordPCFG. The word extraction method can precisely extract semantic segments (called word) from passwords based on cohesion and freedom of words.

Honeywords are decoy passwords associated with each user account, and they contribute a promising approach to detecting password …

To provide timely feedbacks to users, nearly every respectable Internet service now imposes a password strength meter (PSM) upon user …