Uriel Kosayev is an Israeli security researcher with over eight years of experience in the cybersecurity field. Uriel is the author of the Antivirus Bypass Techniques book and a lecturer who has developed courses in the cybersecurity field. Uriel has hands-on experience in malware research, reverse engineering, penetration testing, digital forensics, and incident response. During his army service, Uriel worked to strengthen an elite incident response team in both practical and methodological ways.