Certain embodiments of the present invention provide methods and systems for dynamic classification of electronic vendors. Certain embodiments provide a method for dynamic vendor classification. The method includes analyzing a vendor based on a comparison of vendor features; categorizing the vendor based on the analysis; and permitting access to the vendor according to the categorization of the vendor. The categorization may include trusted, not trusted, or unsure, for example. Analysis may include comparing a first outlet of the vendor with a second outlet of the vendor, for example. Analysis may include comparing an outlet of the vendor with an outlet of a second vendor, for example. A vendor may be defined as a particular outlet for a vendor and/or all outlets associated with a vendor (a vendor entity).