stamp Protected B on every page detailed various security vulnerabilities of the NEMISIS database which is used by officers to track and prosecute environmental law-breakers. If someone were able to shut the system down, or hack inside and delete or corrupt the information, it could affect the prosecution of the lawbreakers. The database was unveiled in 1999 as the National Enforcement Management Information System and Intelligence System. However, on the document, it referred to the database as National Enforcement and Emergency Management Information System and Intelligence System, adding the words "and Emergency" to the name. Protection B documents are the second lowest grade of classified government documents. Environment Canada spokesperson Julie Hahn said they apply to letters of complaint, criticism or injury, research or scientific notes and findings