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Top Austin, TX Security Companies (95)

Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
19 Offices
40,000 Employees

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.


Cloud • Information Technology • Productivity • Security • Software • App development • Automation
16 Offices
11,000 Employees

Atlassian creates teamwork solutions for high-performing teams. Our portfolio of collaboration and work management software products includes Jira, Confluence, Trello, Loom and Rovo. More than 300,000 businesses worldwide rely on Atlassian’s technology, including 80 percent of Fortune 500 companies. Our solutions support various business teams and they help organizations plan, track, and deliver their biggest ideas together.


Cloud • Information Technology • Security • Social Impact • Software
3 Offices
405 Employees

AlertMedia helps organizations protect their people and businesses through all phases of an emergency. Our award-winning threat intelligence, emergency communication, and travel risk management solutions help companies of all sizes identify, respond to, and recover from critical events faster and more confidently. Our team of in-house intelligence analysts and meteorologists work around the clock to monitor thousands of data sources around the world, providing our customers and employees with verified, credible information to protect them from impending threats. AlertMedia has been recognized both nationally and locally for its exceptional company culture, most recently being named to Inc. Magazine’s Best Workplaces list for 2023. We were also named to Forbes’ list of America’s Best Startup Employers for two consecutive years, Austin Business Journal’s Best Places to Work for nine consecutive years, and Built In Austin’s 100 Best Places to Work in Austin. Located in the heart of downtown Austin in the "smartest building in the city", AlertMedia inspires and invests in our employees through continuous developmental experiences, including Career Month, community volunteering, mentorship programs, Employee Resource Groups, and weekly "Tuesday Lunches" where the company comes together to learn about and discuss any business updates. AlertMedia also facilitates a robust internship program, working with universities (including HBCUs), non-profit organizations like Hiring Our Heroes, and similar partners to invest in the future of our diverse workforce.


Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy
6 Offices
2,461 Employees

SailPoint is the leader in identity security for the cloud enterprise. Our identity security solutions secure and enable thousands of companies worldwide, giving our customers unmatched visibility into the entirety of their digital workforce, ensuring workers have the right access to do their job – no more, no less.


Healthtech • Security • Software • Cybersecurity
7 Offices
957 Employees

For over 20 years, we’ve been redefining how life- and mission-critical industries enable, control, and monitor digital identities to deliver fast access, improve security, and ensure compliance. Customer success is our DNA, which is why we’re trusted by the most prominent healthcare and enterprise organizations in 45 countries.


Cloud • Hardware • Security • Software
16 Offices
2,000 Employees

Verkada is the world’s largest cloud-based B2B physical security platform, offering a seamless blend of tech and safety. With six product lines — video security cameras, access control, environmental sensors, alarms, workplace systems, and intercoms — all integrated on one cloud platform, Verkada is designed for simplicity and scalability. Our real-time insights help organizations keep their spaces safe and comfortable while taking swift action to minimize security risks, workplace hassles, and costly inefficiencies. Founded in 2016 and backed by over $460M in funding, we’ve grown fast, with 16 offices spread across four continents, 2,000+ employees, and 26,000+ customers in 85+ countries — including 82 of the Fortune 500. Created by Stanford computer scientists and security experts, alongside Cisco Meraki’s co-founder and COO Hans Robertson, Verkada calls San Mateo, CA home. We also have offices in Salt Lake City, Tampa, Phoenix, Austin, London, Sydney, Taiwan, New York, Philadelphia, Toronto, Mexico City, Seattle, Tokyo, and Korea.


Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
25 Offices
10,000 Employees

CrowdStrike has redefined security with the world’s most advanced cloud-native platform that protects and enables the people, processes and technologies that drive modern enterprise. Tested and proven, the world's largest organizations trust CrowdStrike to stop breaches with unparalleled protection against the most sophisticated cyberattacks. The CrowdStrike culture has been built upon our Core Values since the day we began. We are Fanatical About the Customer, Relentlessly Focused on Innovation and believe that our Limitless Passion drives Unlimited Potential for every CrowdStriker. As a purpose-built remote-first company, we believe cultivating a connected culture for every employee, no matter where they are in the world, is a key ingredient in building a high-performing, diverse team. We don’t have a mission statement. We’re on a mission—to stop breaches. Ready to join a mission that matters?


Security • Software • Cybersecurity • Data Privacy
2 Offices
125 Employees

Hypori is a mobile access platform enabling secure virtual access to enterprise apps and data from any mobile device with total personal privacy. Use whatever phone you want - it’s all about one device, zero worries. Hypori is a service-disabled veteran-owned small business headquartered in Reston, VA, with a technology hub in Austin, TX.


Real Estate • Security • Software • Cybersecurity • PropTech
2 Offices
103 Employees

CertifID helps to create a world without wire fraud. Started after our co-founder was hit by fraud – we’re the only company dedicated to fighting fraud for the real estate industry with an identity verification SaaS platform, insurance, and proven recovery services. CertifID helps safeguard billions of dollars every month from fraud and provides peace of mind with up to $1M in direct insurance coverage on every wire it protects.

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Cloud • Information Technology • Security • Software • Cybersecurity
13 Offices
3,900 Employees

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the control they need to work, develop, and accelerate their business. Powered by one of the world’s largest and most interconnected networks, Cloudflare blocks billions of threats online for its customers every day. It is trusted by millions of organizations – from the largest brands to entrepreneurs and small businesses to nonprofits, humanitarian groups, and governments across the globe.


Cloud • Security • Software • Cybersecurity
Austin, Texas, USA
90 Employees

Brinqa is the only company that orchestrates the entire cyber risk lifecycle — understanding the attack surface, prioritizing vulnerabilities, automating remediation, and continuously monitoring cyber hygiene — across all security tools and programs. The Brinqa Attack Surface Intelligence Platform enables your organization to automate the cyber risk lifecycle across infrastructure, application and cloud security.


Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees

At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing to push the envelope - just like we’ve been doing for the past 20 years. If you’re ready to solve some of the toughest challenges in cybersecurity, we’re ready to help you take command of your career. Join us.


Cloud • Information Technology • Security • Software
6 Offices
597 Employees

Software-driven digital innovation is essential for competing in today's market, and the foundation of this innovation is code. However, there are widespread cracks in this foundation – lines of bad, insecure, and poorly written code – that manifests into tech debt, security incidents, and availability issues. With Sonar, developers and organizations are empowered to create quality, secure code confidently, whether written by humans or generated with AI. The Sonar solution, SonarQube, helps prevent code quality and security issues from reaching production, amplifies developers' productivity in concert with AI assistants, and improves the developer experience with streamlined workflows. Sonar analyzes all code, regardless of who writes it—your internal team or genAI—resulting in more secure, reliable, and maintainable software. At Sonar, we are driven by a deep belief in our people, a commitment to excellence, and an unwavering dedication to delivery. We operate as a united group where our collective success is the sum of each individual's contributions. Our company culture is driven by the values of CODE: Committed, Obsessed, Deliberate & Effective. This mindset reflects our culture of creativity, collaboration, and pride in the work we do. Rooted in the open-source community, Sonar’s solutions support over 30 programming languages, frameworks, and infrastructure technologies. Today, Sonar is used by 7M+ developers and 400K organizations worldwide, including the DoD, Microsoft, NASA, MasterCard, Siemens, and T-Mobile. Sonar is headquartered in Geneva, Switzerland with additional offices in Austin, Texas; Annecy, France; Bochum, Germany, London, England; and Singapore. The company is rapidly growing with over 600 employees! Join us in our mission to solve the trillion-dollar challenge of bad code!


Fintech • Real Estate • Security • Software • Cybersecurity • PropTech
Austin, Texas, USA
95 Employees

Closinglock is a Real Estate tech company focused on simplifying the real estate closing experience for all parties. The company currently offers a secure, easy-to-use platform for title companies, law firms, and other financial services to share wire transfer instructions and other documents with clients, collect eSignatures, and verify bank or loan payoff information instantly. Closinglock is located in Austin, TX.


Artificial Intelligence • Machine Learning • Natural Language Processing • Security • Cybersecurity
3 Offices
110 Employees

We help organizations communicate more securely over email and other cloud office applications with the power of Natural Language Understanding (NLU). The Armorblox platform connects over APIs and analyzes thousands of signals to understand who users are, what they do, and how they communicate. With this context, Armorblox can stop advanced email attacks like business email compromise, and also help organizations stay compliant by protecting their sensitive data from falling into the wrong hands. Security teams also become more proactive after using Armorblox because the platform automates away most of the manual and repetitive tasks involved in responding to user-reported email threats. We create the VERY BEST People-first Company Culture through thoughtful programs that elevate and engage our People. We are proud to have an industry-leading product, a gender score that ranks in the top 20%, and a diversity score that ranks in the top 30%. We are honored Armorblox was awarded Great Place to Work, Omni Award for Outstanding Wellbeing and Benefits, Best Company Leadership, Best CEOs for Diversity, Best Company Compensation, and was featured in the 2019 Forbes AI 50 list and was named a 2020 Gartner Cool Vendor in Cloud Office Security. Founded in 2017, Armorblox is headquartered in Sunnyvale, CA and backed by the very best investors in Silicon Valley including General Catalyst and Next47.


Professional Services • Security
Austin, Texas, USA
2 Employees

Williams & Wong is a boutique CPA firm, created to give the compliance and accounting industry a much needed face-lift. We provide accounting, audit, and compliance services to both startups and large public companies. We specialize in SOX, SOC, PCI, GDPR, and HIPAA regulations.


Information Technology • Security • Software
Austin, Texas, USA
81 Employees

Founded in 2017, Living Security’s mission is to help prevent cybersecurity breaches with a human risk management solution that does more than meet compliance needs, it also truly changes behavior. Living Security believes empowering people is the key to ending cybersecurity breaches, picking up where traditional security awareness training drops off. Gamified learning and immersive experiences engage and educate users, while the science-backed, tech-enabled platform uniquely provides CISOs the ability to measure training efficacy and program ROI. Named one of Austin’s Best Places to Work, the Living Security team is composed of 50+ cybersecurity professionals committed to transforming security awareness training as we know it and turning end users into the enterprise’s greatest asset against cybercrime. Living Security is trusted by security-minded organizations like CVS Health, MasterCard, Verizon, MassMutual, Biogen, AmerisourceBergen, Hewlett Packard, JP Morgan, and Target. Learn more at www.livingsecurity.com.


Security • Software • Cybersecurity
Austin, Texas, USA
454 Employees

Invicti Security is on a mission to deliver application security with zero noise. An AppSec leader for more than 15 years, Invicti’s best-in-DAST solutions enable DevSecOps teams to continuously scan web applications, shifting both left and right to identify, prioritize and secure a company’s most important assets. Our commitment to accuracy, coverage, automation, and scalability helps mitigate risks and propel the world forward by securing every web application. Invicti is headquartered in Austin, Texas, and has employees in over 11 countries serving more than 4,000 customers around the world. For more information, visit our website or follow us on LinkedIn.


Enterprise Web • Security
Austin, Texas, USA
200 Employees

Enterprise IT Security Software Solutions.


Security • Software • Cybersecurity
2 Offices
1,868 Employees

We protect and secure our customer’s rapidly evolving digital world by providing a Data-First SASE solution. Forcepoint is the people-centric cybersecurity company that understands behavior and adapts security response and enforcement to risk. The Forcepoint ONE Platform simplifies security for companies around the world. We live by our values of being customer-centric, simplicity-focused, innovative, trustworthy and ethical, and people-centric.