The banking leader has told staff members working at its new main office in New York that they are required to submit their biometric data to enter the multi-billion structure.
The financial firm had previously planned for the registration of physical identifiers at its new tower to be discretionary.
However, employees of the leading financial institution who have begun work at the corporate hub since August have obtained communications stating that biometric access was now "compulsory".
Biometric access requires employees to provide their hand geometry to gain access security gates in the lobby rather than swiping their ID badges.
The main office building, which reportedly cost $3 billion to construct, will eventually act as a home for thousands of workers once it is entirely staffed later this year.
JP Morgan did not provide a statement but it is believed that the implementation of biological markers for access is created to make the premises better protected.
There are exceptions for specific personnel who will continue to have the option to use a traditional pass for admission, although the criteria for who will employ more conventional entry methods remains unclear.
Complementing the implementation of biometric readers, the bank has also launched the "JPMC Work" digital platform, which serves as a digital badge and center for worker amenities.
The application allows employees to coordinate guest registration, navigate building layouts of the facility and arrange in advance food from the premises' multiple restaurant options.
The deployment of tighter entry controls comes as US corporations, notably those with significant operations in the city, look to strengthen protection following the incident of the top executive of one of the biggest American insurance companies in recent months.
Brian Thompson, the head of the healthcare company, was fatally shot not far from the financial district.
It is unclear if the banking institution intends to deploy biometric access for employees at its branches in other important economic centers, such as the UK capital.
The move comes amid discussion over the implementation of digital tools to track workers by their employers, including tracking office attendance levels.
Earlier this year, all the bank's employees on hybrid work schedules were directed they are required to come back to the workplace on a daily basis.
The company's leader, Jamie Dimon, has referred to the bank's recently opened tower as a "impressive representation" of the organization.
Dimon, one of the influential banking figures, recently warned that the likelihood of the American markets facing a downturn was much more substantial than many investors thought.
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