Scfilter Cid87d25e32ac0d4ef0b1e0502c6b7dfb77 (2025)

This ID is documented by Microsoft as part of the Windows Embedded 8 Standard (Standard 8) module catalog, specifically under the INF-scunknown module, which provides drivers for smart cards that are not immediately recognized by the system.

[!] Smart Card |-- Hardware ID: SCFILTER\CID_87D25E32-AC0D-4EF0-B1E0-502C6B7DFB77 Use code with caution. scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77

If you see this exact hardware ID flag with a yellow warning triangle in your Windows Device Manager, it means the hardware is working, but the operating system lacks the necessary translation files. This ID is documented by Microsoft as part

In the world of network analysis, sc_filterpolicy is a utility that works with scamper (a network measurement tool) to test systems for congruent filtering policies. It probes for application reachability using ICMP, UDP, and TCP probes across both IPv4 and IPv6, making it valuable for network engineers who need to detect firewalls or other filtering devices. In the world of network analysis, sc_filterpolicy is

Have you ever spotted a strange string like scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 in your logs, network traffic, or a support ticket and wondered what it means? You’re not alone.