Open Device Manager:
Exploring the World of Digital Filters
: A Globally Unique Identifier (GUID). Unlike some hardware IDs that look like raw hexadecimal strings (e.g., CID_5275746f6b656e ), a GUID format indicates a programmatic interface or a vendor-defined virtual smart card class. Hardware aggregators like DriverIdentifier log this specific string alongside cryptographic hardware, such as the Longmai mToken series or generic enterprise smart cards. How Windows Processes This Identifier scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77
Specific tags on the card that signal compatibility with standards like PIV (Personal Identity Verification) or GIDS (Generic Identity Device Specification). Troubleshooting and System Health Open Device Manager: Exploring the World of Digital