The recessed RJ45 plug lock-in device comes in a package of one hundred and includes five installation/removal tools. The RJ45 plug lock-in device secures connections to reduce network downtime, data security breaches, and hardware replacement due to theft. The tamper-resistant design blocks unauthorized removal of cable, VoIP phone, and other networking equipment, or critical connection. The product is made of polycarbonate and comes in the color red.