"Computer, device, and connection information, such as browser type and version, operating system and other software installed on Your device, mobile platform and unique device identifier and other technical identifiers, including IP addresses, error reports and performance data. Paychex may also use certain technologies to record Your mouse movement, clicks, page visits, and screen information to enhance Your experience, for our own security purposes, and to improve our Site or Services."
Paychex collects detailed device fingerprinting data including installed software, unique device identifiers, and records granular user behavior like mouse movements and screen activity, going beyond what core payroll services require.