Panel, 3 people. One of the interviewer was a very rude know it all. Constantly asking trick question to get you, and expect you to answer exactly how he thinks.

Hr sends a silly "secured" email you decrypt to see it is them and read the message. then you face a panel interview. The main interviewer was quite arrogant, asking why like a 5 year old 4 times in a row. They also don't tell you exactly what your job entails and ask mind tricks question, like your prior experience and academics don't speak for themselves. They also ghost.