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The Supreme Court’s Van Buren decision today overturned a dangerous precedent and clarified the notoriously ambiguous meaning of “exceeding authorized access” in the Computer Fraud and Abuse Act, the federal computer crime law that’s been misused to prosecute beneficial and important online activity.
The decision is a victory for all Internet users, as it affirmed that online services cannot use the CFAA’s criminal provisions to enforce limitations on how or why you use their service, including for purposes such as collecting evidence of discrimination or identifying security vulnerabilities. It also rejected the use of troubling physical-world analogies and legal theories to interpret the law, which in the past have resulted in some of its most dangerous abuses.
The Van Buren decision is especially good news for security researchers, whose work discovering security vulnerabilities is vital to the public interest but often requires accessing computers in ways that contravene terms of service. Under the Department of Justice’s reading of the law, the CFAA allowed criminal charges against individuals for any website terms of service violation. But a majority of the Supreme Court rejected the DOJ’s interpretation. And although the high court did not narrow the CFAA as much as EFF would have liked, leaving open the question of whether the law requires circumvention of a technological access barrier, it provided good language that should help protect researchers, investigative journalists, and others.
The CFAA makes it a crime to “intentionally access[] a computer without authorization or exceed[] authorized access, and thereby obtain[] . . . information from any protected computer,” but does not define what authorization means for purposes of exceeding authorized access. In Van Buren, a former Georgia police officer was
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Read the original article: Van Buren is a Victory Against Overbroad Interpretations of the CFAA, and Protects Security Researchers