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The Conversation
The Conversation
Toby Murray, Professor of Cybersecurity, School of Computing and Information Systems, The University of Melbourne

Leak of US military plans on Signal is a classic case of ‘shadow IT’. It shows why security systems need to be easy to use

Yesterday, The Atlantic magazine revealed an extraordinary national security blunder in the United States. Top US government officials had discussed plans for a bombing campaign in Yemen against Houthi rebels in a Signal group chat which inadvertently included The Atlantic’s editor in chief, Jeffrey Goldberg.

This is hardly the first time senior US government officials have used non-approved systems to handle classified information. In 2009, the then US Secretary of State Hilary Clinton fatefully decided to accept the risk of storing her emails on a server in her basement because she preferred the convenience of accessing them using her personal BlackBerry.

Much has been written about the unprecedented nature of this latest incident. Reporting has suggested the US officials involved may have also violated federal laws that require any communication, including text messages, about official acts to be properly preserved.

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