Top Series B Cybersecurity companies

At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks. As a pure-play cybersecurity services company, we bring deep expertise in Identity and Access Management, Risk Advisory, Security Verification, Managed Detection and Response, and Security Engineering services. Our unique products and tailored services empower organizations to enhance their security resilience, minimizing the frequency of attacks, threats, and risks. With a focus on enabling change, fostering innovation, and accelerating growth, we partner with businesses to create robust security frameworks that support their strategic objectives. Join us in strengthening your cybersecurity posture and safeguarding your future.

• Series B
• 495 employees
• Founded 2008

XM Cyber is transforming the way organizations prevent attacks that put their business at risk with the most reliable Continuous Exposure Management platform. The platform discovers, prioritizes, and drives remediation of validated exposures across on-prem and cloud environments, from the external attack surface all the way to critical assets. With XM Cyber, you can see all the ways attackers might go, and all the best ways to stop them, pinpointing where to remediate exposures with a fraction of the effort.

• Series B
• 445 employees
• Founded 2016

Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface management to product, cloud, and application security assessments.Enterprises have been told that breaches are inevitable. But we don’t accept that. We focus on offensive security because we believe securing modern organizations requires a "forward defense" approach that proactively uncovers and eliminates exposures before they are exploited.Over the past 20 years, we’ve worked with more than 25% of the Fortune 100, 8 of the top 10 global tech companies, and hundreds of other organizations to improve their security.Security isn’t just a job to us. We do this because we love it — and because we're committed to the common good. In fact, we have authored 20+ open-source tools, shared groundbreaking research, and published more than 50 security advisories in the last 5 years. Learn more about us at bishopfox.com or follow us on X @bishopfox for the latest updates.

• Series B
• 385 employees
• Founded 2005

iboss is a leading Zero Trust Secure Access Service Edge (SASE) cloud security platform that consolidates network and security technologies into a single cloud-based service. By integrating VPN, Secure Web Gateway (SWG), SD-WAN, branch firewalls, Browser Isolation, and Cloud Access Security Broker (CASB) capabilities, iboss replaces legacy solutions to enhance security, reduce complexity, and lower costs. Utilizing Zero Trust Network Access (ZTNA), iboss grants users access only to the applications they need based on their identity, minimizing risks of breaches and data loss. As a unified network and security service with a single-pane-of-glass management console, iboss empowers organizations to enhance security, improve user experience, and support a distributed workforce in today's evolving digital landscape. Leveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day. More than 4,000 global enterprises trust the iboss platform to support their modern workforces, including a large number of Fortune 50 companies. iboss was named a Leader in the IDC MarketScape for Worldwide ZTNA, one of the Top 25 Cybersecurity Companies by The Software Report, one of the 25 highest-rated Private Cloud Computing Companies to work for by Battery Ventures, CRN’s top 20 Coolest Cloud Security Companies, and is one of Inc.’s 2024 Best Workplaces.

• Series B
• 357 employees
• Founded 2003

ReversingLabs is the trusted name in file and software security. We provide the modern cybersecurity platform to verify and deliver safe binaries. Trusted by the Fortune 500 and leading cybersecurity vendors, the ReversingLabs Spectra Core powers the software supply chain and file security insights, tracking over 40 billion searchable files daily with the ability to deconstruct full software binaries in seconds to minutes. Only ReversingLabs provides that final exam to determine whether a single file or full software binary presents a risk to your organization and your customers.RL - Trust Delivered.

• Series B
• 327 employees
• Founded 2009