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As our lives become increasingly dependent upon computer systems and cyber technologies grow ever more sophisticated, the internet has emerged as the new battleground of the 21st century. From criminals' stealing credit card and social security number information to foreign governments' hacking into American companies’ information systems, cyber attacks can take on myriad forms, prompting the government to formulate new measures to protect online security. Since cyberwarfare knows no territorial bounds, ensuring cybersecurity will also require international cooperation and an updated understanding of jus ad bellum, as it applies to cyber attacks.

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Document: GAO Report on Defense Department Weapon Systems Cybersecurity

The Government Accountability Office (GAO) recently released its report for the Senate Committee on Armed Services examining the Defense Department's weapon systems cybersecurity. GAO investigators "routinely found mission-critical cyber vulnerabilities" in Defense Department systems, despite high levels of confidence from Pentagon program officials who claimed the systems were secure.

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