Cyber Security Engineer applicants have rated the interview process at Malwarebytes with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 59.5% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
They asked me highly technical cybersecurity questions. If you have the Security+ certification you will be fine. Make sure you study the different network ports and the steps of the incident response process.