Ethical hacking,networking snapchat, Facebook, Instagram, Gmail , computer linux, programming, SQL, hardware, cryptography, online processing * profound knowledge of network security, ethical hacking and cyber security. * All vulnerability accesment and penetration testing VAPT including physical VAPT. * OWASP top attacks with their detection and prevention techniques. * sound knowledge in Metasploit frame work and social engineering. * Hand on experience of security appliances like fire walls * network security with snort,IDS, IPS, MOD security