McKinsey says the market is under penetrated among mid-market companies and their research talking to 500 IT executives and 50+ cyber security vendors says this market is going to be large.

Some names of companies

• A10 Networks, Inc. (NYSE:ATEN). San Jose, Calif. Application networking, load balancing and DDoS protection.
• Absolute Software Corporation (TSX:ABT). Vancouver, Canada. Makes endpoint security resilient.
• Akamai Technologies, Inc. (NASDAQ:AKAM). Bellevue, Wash. Security, cloud delivery, performance.
• BlackBerry Limited (NYSE:BB). Waterloo, Canada. Mobile & data security.
• Carbonite. (NASDAQ:CARB) Boston, Mass. Cloud backup solutions.
• Check Point Software Technologies Ltd. (NASDAQ:CHKP). Tel Aviv, Israel. Unified threat management.
• Cisco Systems, Inc. (NASDAQ:CSCO). San Jose, Calif. IT, networking, and cybersecurity solutions.
• Cloudflare Inc. (NYSE:NET). San Francisco, Calif. Web performance and security.
• Corero Network Security plc (LON:CNS). Hudson, Mass. DDoS defense & security solutions.
• CrowdStrike Holdings, Inc. (NASDAQ:CRWD) Sunnyvale, Calif. Cloud delivered endpoint protection.
• CyberArk Software Ltd. (NASDAQ:CYBR). Petah Tikva, Israel. Privileged access security.
• CYREN Ltd. (NASDAQ:CYRN). McLean, Va. Web, email & mobile security.
• F5 Networks, Inc. (NASDAQ:FFIV). Seattle, Wash. Cloud & data center security.
• FireEye, Inc. (NASDAQ:FEYE). Milpitas, Calif. Advanced threat protection.
• Fortinet, Inc. (NASDAQ:FTNT). Sunnyvale, Calif. Enterprise security solutions.
• Forescout Technologies, Inc. (NASDAQ:FSCT). San Jose, Calif. Automated security control solutions.
• Gigamon Inc. (NYSE:GIMO). Milpitas, Calif. Data center & cloud security.
• GlobalSCAPE, Inc. (NYSE:GSB). San Antonio, Texas. Secure file transfer.
• Juniper Networks, Inc. (NYSE:JNPR). Sunnyvale, Calif. Threat intelligence & network security.
• Mimecast Limited (NASDAQ:MIME). Lexington, Mass. Email security.
• Mitek Systems, Inc. (NASDAQ:MITK). San Diego, Calif. Mobile identity verification.
• Nxt-ID, Inc. (NASDAQ:NXTD). Oxford, Conn. Biometric security solutions.
• Okta, Inc. (NASDAQ:OKTA). San Francisco, Calif. Identity and access management.
• Palo Alto Networks, Inc. (NYSE:PANW). Santa Clara, Calif. Threat detection & prevention.
• Proofpoint, Inc. (NASDAQ:PFPT). Sunnyvale, Calif. Security-as-a-Service.
• Qualys, Inc. (NASDAQ:QLYS). Redwood City, Calif. Cloud security & compliance.
• Radware Ltd. (NASDAQ:RDWR). Tel Aviv, Israel. Application security & delivery.
• Rapid7, Inc. (NASDAQ:RPD). Boston, Mass. Security data & analytics solution.
• Safe-T Group Ltd (NASDAQ:SFET) Stamford, Conn. Secure access solutions.
• SecureWorks Corp. (NASDAQ:SCWX). Atlanta. Ga. Managed security services.
• Sophos Group plc (LON:SOPH). Abingdon, United Kingdom. Anti-Virus & malware protection.
• Splunk Inc. (NASDAQ:SPLK). San Francisco, Calif. Big data security.
• Telos Corporation (OTCMKTS: TLSRP). Ashburn, Va. Risk management & compliance.
• Tenable Holdings, Inc. (NASDAQ:TENB). Columbia, Md. Vulnerability risk management.
• Trend Micro Incorporated (TYO:4704). Tokyo, Japan. Server, cloud, and content security.
• Varonis Systems, Inc. (NASDAQ:VRNS). New York City, N.Y. Data security & analytics.
• Verimatrix Societe anonyme (EPA:VMX). Paris, France. Smartphone & mobile device security.
• Verint Systems Inc. (NASDAQ:VRNT). Melville, N.Y. Security intelligence & compliance.
• VeriSign, Inc. (NASDAQ:VRSN). Reston, Va. Internet security solutions.
• VMware, Inc. (NYSW:VMW). Palo Alto, Calif. Cloud computing and virtualization software and services.
• Zix Corporation (NASDAQ:ZIXI). Dallas, Texas. Email encryption & data protection.
• Zscaler, Inc. (NASDAQ:ZS). San Jose, Calif. Cloud security.

Cloud security is the #1 Area of spend which bodes well for ZScaler, Cloudflare, Palo Alto Networks