Palo Alto Networks

One 1-hour HR phone interview. One 45-minute manager phone interview the following week. One 1.5-hour technical interview. One 3-hour on-site interview.

Most of the questions are technical and conceptual. The interviewer is quite nice. They will have some coding questions. Get prepared by practicing on LeetCode. Remember to make a self-introduction first.

1. Two round phone interview, asking about my basic information and interests in network security. Also covered basic network knowledge, basic attacks, and protocols. 2. Onsite interview the following week. Much deeper questions about protocols, VP