IAM, Encryption, UTM, Antivirus/Antimalware, Firewall, IDS/IPS, Disaster Recovery, and DDOS Mitigation solutions are challenging.
IBM Security is the leading provider of services with cognitive technologies and a large team.
Recently Gartner named IBM a Magic Quadrant Leader for having the best vision.
Here is the competition. Symantec (US), Check Point Software Technologies (Israel), Cisco Systems (US), Trend Micro (Japan), Sophos (UK), Rapid7 (US), McAfee (US), Micro Focus (UK), Microsoft (US), Imperva (US), Splunk (US), F5 Networks (US), Proofpoint (US), RSA Security (US), AWS (US), Juniper Networks (US), Oracle (US), Fortinet (US), Palo Alto Networks (US), Cyberark (US), Forcepoint(US), Fireeye (US), F-Secure (Finland),Qualys (US).