15 Best Cybersecurity Companies in Seattle

Best Cybersecurity Companies in the US
Best Cybersecurity Companies in the US

This post was most recently updated on June 22nd, 2023

Eden Data

Looking to protect your digital assets? Eden Data is your trusty sidekick and the undefeated cybersecurity champion in Seattle. Alongside their sparkling trophy case and rave reviews, it’s their relentless commitment and unrivaled know-how in the realm of cybersecurity that sets them apart from the crowd.

But why should you trust Eden Data? Good question! They are a one-stop shop for cybersecurity, compliance, and privacy. They are known for rolling up their sleeves, diving in, and ensuring your digital assets are as secure as a bank vault during a superhero showdown.

Here’s the kicker – you won’t find stiff corporate vibes with this team. Instead, they are all about empowering startups. The experts behind Eden Data stand by the ethos that top-notch cybersecurity services shouldn’t cost an arm and a leg. Hence, their unique service structure is set up as a subscription model. You get world-class cybersecurity expertise for the price of a monthly Netflix subscription. Well, maybe a bit more, but you catch the drift.

If you choose to explore what Eden Data has to offer, you’ll be pleased to know they tailor plans to suit different needs. This includes:

  • Seed: Ideal for businesses that need help with compliance (i.e., SOC 2, ISO 27001, HIPAA, HITRUST, etc.)
  • Sprout: A perfect fit for those who need both compliance and security. They’ll serve as your vCISO or support your existing security team members, providing architectural guidance.
  • Sapling: The full package! Get compliance, security, and privacy all wrapped into one. Eden Data will act as your Data Protection Officer and help you sell to countries that enforce GDPR, among other things.

Ready to level up your security? Get in touch with their cybersecurity experts today!

  • Headquarters: Austin, TX (Serving Seattle)
  • Founded: 2021
  • Specialization: Cybersecurity consulting services


Founded in 2006 by industry leaders with extensive security expertise, Leviathan Security Group is dedicated to delivering exceptional customer experiences and satisfaction. With its headquarters located in Seattle, Washington, Leviathan has a highly skilled team of cybersecurity consultants across the United States and abroad. The company is committed to addressing your business’s security objectives comprehensively, leaving no aspect unexplored. Leviathan Security Group offers industry-focused solutions tailored to mitigate business and security risks, ensuring the protection of your valuable assets.

  • Headquarters: Seattle, WA
  • Founded: 2006
  • Specialization: Business and security risk solutions


DefenseStorm is a specialized cybersecurity, cyber fraud, and cyber compliance company that focuses on serving the banking industry. Their unique approach combines a co-managed, cloud-based, and compliance-automated solution, delivered as both a technology system and a service supported by experts in financial institution security and compliance. By unifying detection, investigation, resolution, reporting, and compliance into a single system of record, DefenseStorm enables financial institutions to achieve real-time cyber safety and soundness. 

  • Headquarters: Seattle, WA
  • Founded: 2016
  • Specialization: Cybersecurity, cyber fraud, and cyber compliance for banking
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Dynamic Computing

Dynamic Computing was established in 2000 with a mission to assist small businesses in overcoming the challenges posed by technology. Inspired by his upbringing in his father’s paint stores, founder Kevin Gemeroy recognized the transformative potential of IT for great organizations. Throughout the past two decades, Dynamic Computing has adapted and grown alongside the evolving IT landscape, embracing technology and automation in their operations. 

Their expertise extends to a range of industries, including architecture, nonprofits, construction, legal, real estate, healthcare, and biotech. With a focus on advanced cybersecurity services, Dynamic Computing ensures the ongoing success of small and medium-sized businesses in Seattle and the Pacific Northwest by safeguarding their critical assets.

  • Headquarters: Seattle, WA
  • Founded: 2000
  • Specialization: IT Services and Cybersecurity Solutions

Critical Insight

Critical Insight was established in 2011 by Mike Hamilton and Fred Langston, a cybersecurity expert in the healthcare sector. Recognizing the resource constraints faced by local governments and smaller healthcare organizations, they founded Critical Insight with a unique vision to provide security solutions tailored to these critical but underserved entities. 

Going beyond the basics of SOC-as-a-Service, they offer comprehensive services for setting up secure environments, continuous monitoring and detection, and swift response to potential breaches. Their cybersecurity-as-a-Service is customizable to meet the specific needs of each organization, providing custom assessments, compliance preparation, and security posture testing as required.

  • Headquarters: Seattle, WA
  • Year Founded: 2011
  • Specialization: Cybersecurity services

Rhino Security Labs

Rhino Security Labs specializes in network, cloud, and web/mobile application security testing. As a leading provider of deep-dive security testing, they uncover vulnerabilities that pose risks to organizations and provide expert guidance to mitigate them. By combining cutting-edge security research, proprietary technologies, and industry-leading engineers, Rhino Security Labs has established itself as a premier penetration testing firm. Their team of specialists caters to diverse needs, whether it’s external network testing, complex web application assessments, AWS cloud security, or social engineering testing. 

  • Headquarters: Seattle, WA
  • Founded: 2013
  • Specialization: Penetration testing services

Convergence Networks

Convergence Networks is a distinguished Managed Service Provider (MSP) that has been driven by a commitment to excellence for over 20 years. With a team of highly skilled business strategists, technologists, and cybersecurity experts, they have established themselves as a trusted partner in meeting their client’s needs. 

The hand-selected professionals at Convergence Networks possess deep expertise in the ever-evolving computer and IT industries, together with a strong focus on customer service and a genuine desire to collaborate with clients. Their comprehensive range of services includes managed IT services, managed security services, managed detection & response, cybersecurity projects, Microsoft Teams phone, and backup & disaster recovery.

  • Headquarters: Seattle, WA
  • Founded: 2000
  • Specialization: Cybersecurity services

IOActive, Inc.

With an unwavering commitment to integrity, unwavering passion, and boundless creativity, IOActive, Inc. has been at the forefront of securing the world since its establishment in 1998. Renowned for their unique “attacker’s perspective,” they are trusted by Global 1000 companies to address their most complex security dilemmas. Recognizing that the most perilous threats and groundbreaking ideas can emerge from unexpected sources, IOActive maintains offices and research labs worldwide, supporting a diverse team spanning over 30 countries. 

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Their expertise spans a wide range of industries, including critical infrastructure, energy, financial services, healthcare, manufacturing, media & entertainment, retail & consumer products, technology, telecommunications, and transportation.

  • Headquarters: Seattle, WA
  • Founded: 1998
  • Specialization: Cybersecurity consulting, vulnerability assessments, penetration testing


InGuardians, Inc. stands as an independent and trusted information security consulting firm that offers a wide range of high-value services. With expertise in areas such as red team penetration testing, hardware and application security assessments, threat hunting, security architecture reviews, ICS and IIoT Security, Kubernetes and public cloud security, incident response, and custom training, InGuardians is committed to delivering actionable and business-focused information security solutions. 

Founded in 2003 by industry veterans, the company brings together a team of exceptional individuals with deep technical expertise and strong business acumen. Their professionals have not only contributed to the field with tools, books, testing frameworks, and training programs but also possess a wealth of practical experience to address your security needs.

  • Headquarters: Washington, D.C., USA
  • Founded: 2003
  • Specialization: Information Security Consulting

CMIT Solutions

CMIT Solutions stands as a renowned leader in Managed IT Services, offering businesses a comprehensive range of technology solutions. With a deep understanding of the opportunities and challenges faced by organizations today, their team of over 900 top technology practitioners across 250 franchise locations is dedicated to helping businesses thrive. 

Co-founders Jeff Steele and Dan Simkins bring a wealth of combined experience in digital media, business, customer service, and client relationships. They have successfully leveraged their expertise to bridge the gap between technology and business, providing innovative ways to showcase and monetize content. CMIT Solutions’ mission revolves around empowering businesses by delivering innovative technology solutions, managed IT services, and cybersecurity.

  • Headquarters: Seattle, WA
  • Founded: 1996
  • Specialization: Managed IT services, technology solutions, cybersecurity

Security Innovation

With a track record of over 20 years, Security Innovation has established itself as a prominent player in the cybersecurity industry, earning recognition through numerous prestigious awards. Their commitment to software security education and innovation has garnered accolades, including the Silver Edison Award™ for their Forescient Cloud Cyber Range and the BIG Innovation Award for their CMD+CTRL Cyber Range. 

Unlike many security providers that address surface-level symptoms, Security Innovation takes a different approach by transferring their security expertise to all stakeholders involved in software security, empowering teams to tackle future challenges proactively. As a SaaS and assessment provider, they have firsthand experience in facing and mitigating the same threats their clients encounter. 

  • Headquarters: Wilmington, Massachusetts
  • Founded: 2002
  • Specialization: Software security education, training, assessment solutions

Kalles Group

Kalles Group is a cybersecurity and technology consulting firm that focuses on delivering targeted results without unnecessary services. With their world-class expertise and capabilities, they connect with clients to achieve high-quality outcomes. Their approach is characterized by clear priorities, strategic thinking, and data-driven decision-making, fostering long-term relationships built on trust, collaboration, and tangible results. 

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As natural innovators, they continuously seek improvement, embracing a positive and outcome-oriented mindset. Kalles Group also nurtures an entrepreneurial culture, aiming to make a positive impact within their company, community, and beyond. Balancing present needs and future planning, they provide pragmatic solutions that meet clients where they are and pave the way for growth and success.

  • Headquarters: Seattle, WA
  • Founded: 2010
  • Specialization: Cybersecurity and technology consulting


Coalfire is the go-to cybersecurity advisor for businesses seeking to secure their future. With over 20 years of industry leadership since its founding in 2001, Coalfire has established itself as a trusted partner for leading cloud infrastructure providers, SaaS companies, and enterprises. Their extensive cloud expertise, advanced technology solutions, and innovative approaches empower clients to enhance their security posture and safeguard their digital transformations. 

With a global workforce of over 1,000 employees and a client base spanning across major industries, Coalfire’s commitment to cybersecurity excellence has earned them recognition as one of the fastest-growing firms in the industry.

  • Headquarters: Seattle, WA
  • Founded: 2001
  • Specialization: Cybersecurity Advisor

Trend Micro

Trend Micro, a renowned global leader in cybersecurity, plays a vital role in ensuring the secure exchange of digital information worldwide. Leveraging decades of security expertise, extensive threat research, and continuous innovation, their cybersecurity platform safeguards the digital landscape for over 500,000 organizations and protects the digital lives of more than 250 million individuals. 

With a focus on cloud and enterprise cybersecurity, Trend Micro’s platform offers comprehensive visibility, enabling faster detection and response, and employs advanced threat defense techniques optimized for leading cloud environments such as AWS, Microsoft, and Google. Their offerings extend beyond technology, as they also provide 24/7 managed detection, response, and support services to augment the capabilities of security teams.

  • Headquarters: Seattle, WA
  • Founded: 1988
  • Specialization: Global Cybersecurity


Founded in 2003 by Aaron Loehr, StrataCore (formerly known as Bandwidth Advisors) was established with a clear mission: revolutionize the IT infrastructure marketplace by offering clients a more efficient and cost-effective way to navigate their technology needs. As a trusted Technology Advisor, StrataCore empowers organizations reliant on technology to make smarter buying decisions and optimize their business results. 

With over 300 years of combined expertise and a strong presence in Seattle, Washington, StrataCore has negotiated over 2,580 contracts worth more than $400 million. StrataCore, a data center, connectivity, cloud, and security services specialist, operates as a consultant and broker, assisting clients worldwide in sourcing dependable, high-performance IT solutions. 

  • Headquarters: Seattle, WA
  • Founded: 2003
  • Specialization: Technology advisory and brokerage services


In a world increasingly dependent on technology, cybersecurity has never been more critical. Having explored the 15 best cybersecurity firms in Seattle, you’re now better equipped to make an informed decision for your business. Remember, investing in the right protection can safeguard your valuable digital assets against potential threats. So, lean on these Seattle trailblazers for top-tier IT security and experience the peace of mind that robust cybersecurity brings. It’s a choice you won’t regret. Stay safe in the digital realm!