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Top Austin, TX Security Companies (135)

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Cloud • Information Technology • Productivity • Security • Software
Fully Remote
9,500 Employees

Atlassian builds software that empowers everyone from small startups to government and education to the who’s who of tech. We build tools like Jira, Confluence, Bitbucket, Trello, and OpsGenie to help teams across the world become more nimble, creative, and aligned — collaboration continues to drive the heart of every product we dream up.


Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity • Data Privacy
Austin, TX
1,000 Employees

Duo Security, now part of Cisco, is the leading multi-factor authentication (MFA) and secure access provider. Duo is built on the promise of doing the right thing for our customers and each other. This promise is as central to our business as the product itself. Our four guiding principles are the heart of this sensibility: Easy, Effective, Trustworthy, Enduring We’re transforming security from the ground up by solving the world’s most pressing geopolitical challenge — safe, secure information access. We engineer our business to enable our customers to easily address their ever-evolving security challenges. We believe that impactful work is rewarding work and that our team is at its best when everyone feels empowered to bring their whole self to work. We learn together by hiring for cultural contribution, not cultural fit, and recognize that diversity in background and thought are essential to building high-impact teams. We invest in growth and learning opportunities and encourage our people to never stop learning. We foster collaboration and believe in being recognized (and rewarded!) for hard work. We champion a healthy work-life balance. We’re kinder than necessary. Together we build for the future by designing simple solutions for complex problems. And that’s why we’re the most loved and trusted name in security.


Cloud • Information Technology • Sales • Security • Cybersecurity
Austin, TX
7,500 Employees

CrowdStrike is the first cloud-native platform that protects endpoints, cloud workloads, identity and data. CrowdStrike: We Stop Breaches.


Artificial Intelligence • Information Technology • Security • Cybersecurity
Austin, TX
3,300 Employees

Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all traffic routed through its intelligent global network, which gets smarter with each new site added.


Security • Software • Cybersecurity
Austin, TX
96 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.


Real Estate • Security • Software
Austin, TX
65 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.


Cloud • Information Technology • Sales • Security • Software • Cybersecurity
Austin, TX
3,000 Employees

We do this by embracing tenacity, passion, and collaboration to challenge what’s possible and drive extraordinary impact. Here, we’re building a dynamic workplace where everyone can have the career experience of a lifetime. We challenge ourselves to grow to our full potential. We learn from our missteps and celebrate our victories. We come to work every day to push boundaries in cybersecurity and keep our 10,000 global customers ahead of whatever’s next.


Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Automation
Austin, TX
1,647 Employees

SailPoint is the leader in identity security for the modern enterprise. Harnessing the power of AI and machine learning, SailPoint automates the management and control of access, delivering only the required access to the right identities and technology resources at the right time. Our intelligent identity solution matches the scale, velocity, and environmental needs of the modern enterprise. SailPoint empowers the most complex enterprises worldwide to build a security foundation grounded in identity security.


Cloud • Information Technology • Security • Social Impact • Software
Austin, TX
363 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 six 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.


Healthtech • Security • Software • Cybersecurity
Austin, TX
916 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.


Information Technology • Security • Cybersecurity
Fully Remote
250 Employees

If your career aspiration when you were a child was to fight the “bad guys” while helping the good ones, keep reading. We’re Huntress. Through education, expertise and curiosity, our team protects our partners from today’s increasingly dangerous threat actors. Founded by former NSA Cyber Operators—and backed by a team of human ThreatOps researchers—we’re working to bring cybersecurity to the 99%: those businesses and mom-and-pop shops that lack the resources to defend themselves. Come join the hunt and make your childhood self proud (in a 21st century kind of way).


Cloud • Information Technology • Security • Software
Austin, TX
505 Employees

Sonar equips developers and organizations to systematically achieve a state of Clean Code so that all code is fit for development and production. By applying Sonar's Clean as You Code methodology, organizations minimize risk, reduce technical debt, and derive more value from their software in a predictable and sustainable way. At Sonar we believe in people, dedication, and innovation. We’re a team of problem solvers who are passionate and relentless in their respective missions. We want to work with people who are ready and willing to fasten their seat belts and be part of an incredible ride! Our Core Values are: Smarter Together, Excellence, Innovation, and Delivery. They reflect our unique culture and we expect them to help shape and positively strengthen our organization. The open-source and commercial Sonar solution – SonarLint, SonarCloud, and SonarQube – supports over 30 programming languages, frameworks, and infrastructure technologies. Trusted by 7 million developers and 500,000 organizations globally to clean more than half a trillion lines of code, Sonar has become integral to delivering better software. Sonar is headquartered in Geneva, Switzerland with additional offices in Austin, Texas; Annecy, France; Bochum, Germany, and Singapore. The company is rapidly growing with over 500 employees and more than 21,000 customers deploying Sonar products worldwide. Join us; we’ll be smarter and stronger together!


Blockchain • Security • Software • Cryptocurrency • Web3
Fully Remote
23 Employees

Unit 410 is an experienced team of security, infrastructure, and cryptocurrency engineers. We empower the largest stakeholders to use their crypto in secure and novel ways. To do so, we build institutional-grade systems and solutions for secure network participation. Before Unit 410, we’ve worked at companies like Coinbase, Google, and NASA’s Jet Propulsion Laboratory. We’ve long believed in the potential of cryptocurrency and are excited to continue pushing forward the state of the art through industry-leading key generation, encryption, and network participation. As we engineer systems and solutions, we often find pieces that we think should exist. So we build them, and whenever possible share those back with the community.


Fintech • Real Estate • Security • Software • Cybersecurity
Austin, TX
30 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.


Cloud • Internet of Things • Security • Software
Austin, TX
1,300 Employees

Verkada protects people, assets, and privacy in physical spaces with its hybrid cloud security solution that makes it simple to manage devices at scale. Our vision is to power the modern, integrated building of the future.


Artificial Intelligence • Machine Learning • Security • Software
Austin, TX
13 Employees

We build software to transform how commercial, government, and regional teams discover, engage, and interact with the US manufacturing economy. Our software enables US-based manufacturers to find and engage with the critical suppliers they need to build secure, resilient, domestic supplier networks.


Hardware • Information Technology • Internet of Things • Security • Software
Fully Remote


Cloud • Security
Austin

We’re on a mission to ensure privacy and security for all. Our No Knowledge, secure-by-default products protect individuals, businesses, and enterprises from cybersecurity threats like ransomware, hackers, and data loss. We offer end-to-end encrypted backup, group chat, and file-sharing to make your data and conversations private and secure.


Security • Software
San Antonio, TX
15 Employees

SiteOwl helps security system owners and integrators easily design, install, and manage incredible security solutions. SiteOwl seamlessly integrates all aspects of security integration and system ownership into a simple, powerful workflow.


Cloud • Other • Security • Software
Austin, TX

For over 28 years, governments and regulatory agencies, all over the world, have relied on the AMANDA platform to power their complex processes.