Workplace monitoring is subject to a variety of federal and state constitutional provisions and laws regarding when employees have a right to privacy and if and when they must be notified that they are being monitored.
From a legal perspective, disclosing surveillance is the smartest tactic. Letting employees know that they will be monitored removes employees' reasonable expectation of privacy—the element that often forms the basis for invasion-of-privacy lawsuits arising under common law.
While the basis of the privacy claim differs by jurisdiction, courts that have considered the question usually engage in a fact-specific analysis.
They weigh the reasonable expectation of privacy by the employee and whether the employer has a legitimate business interest for conducting the surveillance.
The fact that the reasonableness of employees' expectation of privacy usually plays a large part in a court's analysis offers further support for the disclosure of monitoring activities.
By informing employees that their communications are not secure or that their activity will be monitored, the employer can lessen employees' privacy expectation and in turn bolster the employer's defense in court, while also lessening the impact on employee morale.
Eavesdropping/Wiretapping. Eavesdropping and phone tapping are the most common methods of monitoring used by employers. Most people link phone tapping with some sort of police or FBI work, but it is commonplace in businesses, from retail stores to government offices. "The reason employers employ such tactics is to record the number, frequency, and destination of the calls"
Telephone numbers dialed from phone extensions can also be recorded using a "pen register" that allows employers to identify not only the numbers dialed but the length of each call
Electronic Mail (e-mail) and Voice Mail. Many employers monitor employees' e-mail and voice mail. E-mail provides options to employers to ask for "Receipt Request," "Priority Category" to see when employees use email, whether employees received the message, etc. With new technologies, employers can easily check employee e-mail and telephone voice mail, even after employees have deleted messages from their terminal or voice mail system. These messages are often permanently backed up on magnetic tape along with other data from the computer system. Although email is comparable to postal mail, "there is no federal law that prohibits an employer from reading any e-mail or computer file"
Employers may also use encryption to protect e-mail privacy, which involves the scrambling of the message at the sender's terminal and unscrambling at the receiver's terminal. This primarily is used to prevent industrial "spies" from reading e-mail, but employers may still have access to the unscrambled messages
Federal and state laws
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