Numerous federal agencies rely on legacy systems that have security bolted on as an afterthought instead of security “being deeply embedded” in the systems. It is unsurprising that such older hardware, software and operating systems are vulnerable to intrusions. But sometimes security problems have more to do with human vulnerabilities – stupid PEBKAC and ID10T errors committed by the person behind the keyboard – than legacy systems. If the same people who handle sensitive government information also keep falling for phishing scams, should they have their security clearance revoked? Indeed they should, according to DHS chief security officer Paul Beckman.

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