Microsoft Office password protection the password can be determined through guesswork or social engineering, the underlying cipher is not important. Microsoft Office password protection Microsoft Office password protection is a security feature to protect Microsoft Office (Word, Excel, PowerPoint) documents with a user-provided password. As of Office 2007, this uses strong encryption; earlier versions used weaker systems and are not considered secure. Office 2007–2013 employed 128-bit key AES password protection which remains secure. Office 2016 employed 256-bit key AES password protection which also remains secure. The Office 97–2003 password protection used 40-bit key RC4 which contains multiple vulnerabilities rendering it insecure. Microsoft Office applications
Online auction current web environment there are hundreds, if not thousands, of websites dedicated to online auction practices. There are six different basic types of online auctions: In live terms, English auctions are where bids are announced by either an auctioneer or by the bidders and winners pay what they bid to receive the object. English auctions are claimed to be the most common form of third-party on-line auction format used and is deemed to appear the most simplistic of all the forms. The common operational method of the format is that it is an ascending bid auction in which bids are