Phishing Is Culprit Behind Vast Majority of Data Exfiltration, Intelligence Official Says

Nextgov: Over the last eight or nine years, of all the successful data exfiltrations and breaches that have hit the federal government and private industry, about 90 percent of them were the result of spear-phishing campaigns that targeted unsuspecting employees.

That's according to William Evanina, director of the National Counterintelligence and Security Center within the Office of the Director of National Intelligence.

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