Proximity cards have been a fixture in physical access control systems for decades. But today, they are one of the weakest links in enterprise authentication. 

Proximity cards have been a fixture in physical access control systems for decades. But today, they are one of the weakest links in enterprise authentication. 

Source: security magazine
Source Link: https://www.securitymagazine.com/blogs/14-security-blog/post/101788-proximity-cards-are-a-liability-the-urgent-need-to-modernize-access-control