Interviewer were good. They were purely into asking about packet level and application level analysis of tcp ip https and all. Question are twisted and never too easy. You need to think a lot before answering as they can get you confused. You need to be well versed with your knowledge on ccna ccnp. I wasn't prepared much. So if you with that mentality, you won't be able to Crack. There is a reason why they give high packages.

The Staff, HR, Interviewer everyone was kind and very interactive. The office space is very well set up. The whole interview process is of five rounds. To ace the interview you should be very good at security-related topics.