• Password Education Based on Guidelines Tailored to Different Password Categories 

      Helkala, Kirsi (Journal article; Peer reviewed, 2011)
      General password policies do not guarantee that passwords fulfilling the requirement are good enough. The policies have a tendency to be too broad to be useful for all users. Different users have different designing ...
    • Password Generation and Search Space Reduction 

      Helkala, Kirsi; Snekkenes, Einar (Journal article; Peer reviewed, 2009)
      It is easy for humans to design passwords that are easily remembered. However, such passwords may have a predictable structure, making exhaustive search feasible. We have divided human-generated passwords into three ...