What’s a big security threat that most businesses ignore? The majority of ex-employees retain access to corporate data and other sensitive information, according to a new study by Intermedia and Osterman Research. The 2014 Intermedia Rogue Access Study showed security is still a major problem for many small businesses.

“Most small businesses think ‘IT security’ applies only to big businesses battling foreign hackers,” Intermedia President Michael Gold said in a prepared statement. “This report should shock smaller businesses into realizing that they need to protect their leads databases, financial information and social reputation from human error as well as from malicious activity.”

Other study results included:

Michael Osterman, president of Osterman Research, said he believes many companies need to take steps to regain control over access to their IT apps.

“People want to work at home. They want files available when they’re traveling. But when a company puts this functionality into place in an organic, uncoordinated way, there are real risks they may not have considered,” he said.

How can companies secure their corporate apps?

Rogue access to corporate apps can be problematic, but Intermedia offers the following recommendations to mitigate and prevent this issue:

“The most proactive step an organization can take to stop rogue access is to understand and implement access best practices,” an Intermedia spokesperson told MSPmentor.

An Oracle (ORCL) survey released earlier this month indicated many businesses are concerned about mobile security as well.

Oracle’s survey, titled “The Connected Enterprise: Keeping Pace with Mobile Development,” revealed security is the top mobile-related concern for enterprises.

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