This is something which I recently learned from Cisco PSIRT and wanted everybody to be aware of it. Cisco IOS and Cisco IOS XE releases based on the Cisco IOS 15 code base include support for a new algorithm to hash user-provided plaintext passwords. This algorithm is called Type 4, and a password hashed using this [ ]
http://www.ebrahma.com/2013/08/using-cisco-type-4-passwords-change-before-you-are-hacked/Labels: eBrahma