Your IT security infrastructure, rebooted for 2015

Cloud, mobile, social media and other factors are conspiring to force companies to reevaluate their security infrastructure, from firewalls to authentication.

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Consider the IT trends of recent years: the emergence of cloud computing and the "as-a-service" model, the growth of social media as a corporate marketing and collaboration tool, and the increase in the use of mobile technology — all of which have helped give rise to an increasingly distributed workforce.

With changes such as those taking place in an IT landscape where threats against diverse and dispersed systems and data are growing increasingly sophisticated, many organizations must consider overhauling — or at least enhancing — their information security strategies.

"Organizations should be continually evaluating their security infrastructure. Attackers are continually learning and changing tactics, and so must any security program if they wish to be successful," says Tyler Shields, a security and risk management analyst at Forrester Research.

"I think there has been an increased level of scrutiny of late in certain sectors, due to highly publicized breaches," Shields says. "Retail and financial services have been hit hard lately and are showing increased levels of vigilance in order to lessen additional difficulties."

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