Signal is 'absolutely not suitable' for government use: Former NSA hacker

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Jake Williams, vice president of research and development at Hunter Strategy and a former hacker for the U.S. National Security Agency, joins CNBC's “The Exchange” to discuss the use of Signal for sensitive government communication, cybersecurity issues and more.

Jake Williams, vice president of research and development at Hunter Strategy and a former hacker for the U.S. National Security Agency, joins CNBC's “The Exchange” to discuss the use of Signal for sensitive government communication, cybersecurity issues and more.

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