Biba in the mid-1990s with Monica Zipper as head designer. Barbara Hulanicki has not been involved with any of these relaunches, and due to the use of Biba's logo and similar labels, these garments are easy to pass off as original vintage pieces. The Biba label was relaunched again in May 2006 under designer Bella Freud. Again, Biba's founder, Barbara Hulanicki, was not contacted for the relaunch and said it was 'very, very painful', believing that the new Biba would 'betray its heritage.' Freud's first collection Spring/Summer 2007 was unveiled at London Fashion Week in September 2006, and was criticised for
Biba Model down"). The Biba model defines a set of security rules, the first two of which are similar to the Bell–LaPadula model. These first two rules are the reverse of the Bell–LaPadula rules: Biba Model The Biba Model or Biba Integrity Model developed by Kenneth J. Biba in 1975, is a formal state transition system of computer security policy that describes a set of access control rules designed to ensure data integrity. Data and subjects are grouped into ordered levels of integrity. The model is designed so that subjects may not corrupt data in a level ranked higher than the subject,