An Internet kill switch is a countermeasure against cybercrime; it is based on the concept of activating a single shutting-off mechanism for all Internet traffic. The theory behind a kill switch is the creation of a single point of control managed by one authority in order to shut down the Internet to protect it from unspecified assailants.
The prospect of cyber warfare over the 2000s prompted US officials to draft special legislation for the Internet, but the implications of actually “killing” the Internet has spurred worldwide criticism. During the Arab Spring in Tunisia, Egypt, and Libya, access to the Internet was restricted in an effort to limit online peer networking that would facilitate self-organization. Despite the controversial effects of shutting off access to information, the activation of a kill switch remains an issue to be resolved.
Post Cyberwar proposes three appropriate methods to prepare for the time after a cyberwar: