A sebaceous cyst is a type of cyst that forms in the epidermis, the outermost layer of the skin. A sebaceous cyst is also sometimes called an epidermal cyst. It forms when a sebaceous gland, an oil-producing gland in the skin, becomes blocked.
A technique involving using chalk to place a special symbol on a sidewalk or another surface to indicate a nearby wireless network that offes Internet access. Wardriving A technique hackes use to locate insecure wireless networks while driving around. Warflying A technique hackers use to locate insecure wireless networks while flying around. Smartphone A cellular phone with the features of a personal digital assistant.
Why is MAC-based authentication insecure? Most wireless routers can use MAC-based authentication as part of their overall security scheme. It seems like a good idea, but I've heard that it is very ineffective, because it's easy to spoof MAC addresses. I believe that it's easy to spoof these addresses, but I don't see how that's a problem.