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Do departed employees haunt your networks?

Maria Korolov | June 4, 2015
Many companies have ghosts in their systems, employees who've gone on to a better place.

haunted hallway ghost

Many companies have ghosts in their systems. Employees who've gone on to a better place -- say, with better pay -- but are still wandering through company files, cloud services, and social media accounts.

According to a study by Intermedia, 89 percent of adults retained access to at least one application from a former employer, and 49 percent actually logged into an account they weren't supposed to still have access to. Even more worrying, 45 percent retained access to confidential data.

Last month, new numbers from the Labor Department showed that employees are on their way out the door again. With the improving economy, employees are no longer holding on to jobs at all costs, and the number of resignations hit levels not seen since 2008.

But there are a few things companies can do to protect themselves and their data, according to cloud applications company Intermedia.

1. Don't wait until the employees are gone

When an employee is first hired, it's nice to think that the relationship will last forever. But people grow apart.

Planning ahead for an employee's departure is a basic requirement for maintaining security after they leave. That includes making sure that the company has a record of all accounts an employee has access to, together with control over their login credentials.

And don't just plan ahead for your own employees. If your company has vendors or customers whose employees access your systems or documents, plan ahead for those employees leaving, as well.

For example, you might provide access based on work-based email accounts, if you are certain that the outside company automatically shuts down those accounts when employees leave.

2. Create a formal process to follow when employees leave

Most companies have this, said Levine.

"Whether it's a proprietor or an HR department person or someone in security, it's important to have a list of things you're going to go through when someone leaves," he said. "Make sure you get the keys to the front door, collect company credit cards, get the company laptop back."

That list needs to include shutting down access to all their corporate accounts, as well as accounts on company-related websites and services.

For small companies, this may require good recordkeeping and a great deal of discipline to keep the records up-to-date. Larger companies will have active directories.

3. Pay particular attention to cloud storage

Employees usually start using file-sharing sites for good reasons, Levine said. They need to be able to work on documents from home, or share them easily with colleagues, customers, or vendors.

"But once the information is in Dropbox in a personal account, there's not much the company can do about it," said Levine.


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