The 10 most powerful cybersecurity companies

What makes these 10 security vendors the biggest power players? We break it down.

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Why they’re here: Named a leader in Gartner’s most recent evaluation of SIEM products, Rapid7 has built a wide-ranging portfolio of cloud-native security offerings under the Insight banner. The Rapid7 platform includes threat detection and incident response, vulnerability management, application security, cloud posture management, user behavior analytics, network traffic analysis, logging and reporting.

Power moves: Rapid7 recently purchased threat intelligence startup IntSights for $335 million to provide customers with a unified view into threats, attack surface monitoring, and proactive threat mitigation.

By the numbers: $335 million: The amount of that Rapid7 paid for IntSights.

Outlook: Rapid7 is well positioned for the future. As a cloud-native platform, it is built for today’s hybrid and multi-cloud environments. The company’s strong suits are analytics and automation, two areas that are increasingly important for enterprise security organizations. It offers a managed detection and response service, which can be critical for understaffed and overwhelmed security professionals who are dealing with an increasingly dangerous attack landscape. And Rapid7 is constantly adding new capabilities to its platform. For example, in July the company launched InsightCloudSec, which brings together the cloud and container security capabilities of recent acquisitions DivvyCloud and Alcide.


Why they’re here: Enterprises may start out simply wanting secure remote access to cloud services, but they quickly realized that they need more: a really security cloud access system includes zero trust network access (ZTNA), remote browser isolation (RBI), sandboxing, firewall as a service (FWaaS), data loss prevention (DLP), cloud access security broker (CASB) and other cloud-based security services. In Gartner’s latest analysis of secure web gateways, Zscaler was the only vendor to appear in the leader category.

Power Moves: In May, Zscaler has agreed to buy Smokescreen Technologies, which provides technology to proactively hunt for emerging adversary tactics and uses deception technology to confuse adversaries.

By the numbers: 59.6%: The year-over-year revenue increase for Zscaler in its latest quarter ($110.5M to $176.4M.)

Outlook: Zscaler is in great shape to take full advantage of the trends toward zero trust security, increased remote access by employees and the surge of applications and data to the cloud. Zscaler also positions itself not simply as a cloud-based security vendor, but as a partner to enterprises embarking on their digital transformation journeys.

Copyright © 2021 IDG Communications, Inc.

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