5 cyberterrorists can also attack domain name servers

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5 Cyberterrorists can also attack domain name servers, nodes, routers and other parts of the backbone, disrupting the internet more centrally. In addition to disrupting networks, cyberterrorists may engage in breach of security attacks for espionage or other purposes. They may steal information valuable to national security in the real world. They may replace true information with false information. They may attack realspace assets by taking command of networks used to control infrastructure assets and causing havoc with those assets. By co-opting these assets, they may cause damage or disrupt the ability of these assets to perform their tasks. These assets could include public utilities such as communications, transportation, power, and water, or could include public services such as police, fire, or health services. Importantly, these assets could include private sector assets critical to the economy, including banking, communications, and even retail industries. All of these activities may have substantial effects in realspace and, in particular, in the real economy. As U.S. National Security Advisor Condoleeza Rice has said, at least for the U.S., the cybereconomy is the economy. 6 iii. Types of response available Threats vary, networks vary, contexts vary, and tools available to different private sector actors and to different governments vary. Therefore, there is no universal best response, at the private sector or governmental level, to the risk of cyberterrorism. There are several important tools. These include (i) limitation of terrorist access to networks, (ii) ex ante surveillance of networks in order to interdict or repair injury, (iii) ex post identification and punishment of attackers, and (iv) establishment of more robust networks that can survive attack. For purposes of our analysis of jurisdictional and international cooperation issues, we assume that governments will wish to operate in each of these categories of response. 1. Access Limits 5 As this paper was being prepared, the British Government disclosed a significant flaw in TCP protocols, allowing disruption of the capacity of routers by sending false reset signals. See . 6 Dan Verton, Corporate America Now on Front Lines of the War on Terrorism , Computerworld, September 9, 2002.
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Global Cyberterrorism, Jurisdiction, and International Organization 7 Cyberterrorism may be prevented by limiting access to networks. This can be achieved through ingress and egress filtering in the relevant routers, or firewalls. There are three main ways to implement access limitations: (x) by reference to location of origin, (y) by reference to the person of origin, and (z) by reference to content. However, the U.S. Central Intelligence Agency opined in April 2001 as follows: The growing connectivity among secure and insecure networks creates new opportunities for unauthorized intrusions into sensitive or proprietary computer systems within critical US infrastructures, such as the nation’s telephone system.
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  • Spring '12
  • Kushal Kanwar
  • global cyberterrorism

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