The interview process started with a recruiter call followed by a technical screen (30m), system design (1h), and hiring manager conversation (1h).
I would suggest familiarizing yourself with the product before the system design interview. In a vacuum otherwise, the question (or more specifically what to focus on) doesn't make a lot of sense.
Design a data system that collects traffic information from a mall for analytics.
The following metrics were computed from 4 interview experiences for the Cyberhaven Senior Software Engineer role.
Cyberhaven's interview process for their Senior Software Engineer roles is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Cyberhaven's Senior Software Engineer interview process.