One question in CyberDefender's most recent challenge taught me something new. The question asked you to listen to the audio stream that can be found in the PCAP file to find the flag and claim the points. I never knew Wireshark supports doing this hence this TIL.
Sysdiagnose is a diagnostic tool available on all Apple products. It collects information and logs from various parts of the systems to provide a full image of the system state at a certain point in time. The data collected is quite comprehensive and covers a wide range of aspects.