MIC

Message integrity code covering the payload and parts of the header.

Reading a capture

Covers selected header fields as well as the data, so an attacker cannot rewrite addresses without invalidating it. Distinct from the FCS, which only detects transmission errors and protects against nothing deliberate.

Where it sits

Protected Frame Body > MIC

• Open in the explorer — TCP over IPv4, in a protected QoS Data frame, aggregated
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame

Accuracy

Clause

802.11-2024 §12.5.3.3

Byte order

little-endian — least significant octet first

Verified

Not verified against the standard. Treat this as a claim, not a fact.