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Home / Glossary / Firmware
Glossary · Device

Firmware

In plain language

The built-in software that runs a device such as a router, printer or camera.

The metaphor

Like the instincts built into a machine: you rarely see them, and an old set can be wrong or exploited.

Going deeper

How it works

  • Stored on the device itself.
  • Updated through the maker's tool or console.
  • Old versions carry known flaws.
  • Often forgotten.

How WILDCARD handles it

Network covers the firewall and switch, including keeping their firmware current.

In practice
  • A router with firmware from 2019.
  • A printer that is never updated.
  • A camera exposed to the internet.

A question owners ask

Who updates firmware? Usually whoever manages the device. Put it on a schedule.

Where WILDCARD handles this
Network
  • Firewall managed and monitored
  • Switches kept current
  • On-prem Active Directory auth
Start with Network
Related terms
ACLAccess Control ListAHAuthentication HeaderAPAccess PointARPAddress Resolution ProtocolBPDUBridge Protocol Data UnitCCMPCounter Mode/CBC-MAC ProtocolCCTVClosed-circuit TelevisionCHAPChallenge Handshake Authentication Protocol

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