WAN – see Wide Area Network.
War chalking – the Great Depression era hobo-style practice of using chalk to physically mark ‘hotspots’, from which (usually) unauthorised access to nearby wireless networks can be achieved. This has now been largely superseded by Internet-based location lists of available unsecured (open) wireless networks. See, for example, www.wifinder.com and www.wardrive.net/general/hotspots.
War dialling – a computer program (usually freeware or shareware) used by hackers to identify phone numbers that can connect to a computer modem. The program automatically dials a defined range of phone numbers and then records in a database those numbers that connect successfully. Some programs can also identify the computer’s OS and ...