To provide you with only the top cybersecurity companies in the USA, our 12 veteran experts have extensively vetted each listing using our five main ranking criteria. We have also vetted over 800 of their client reviews to equip you with a well-researched, unbiased assessment of each provider’s capabilities.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Continuous Penetration Testing for a Safer Digital Future
DeepStrike.io is a penetration testing and offensive security firm helping organizations uncover vulnerabilities before attackers do. We deliver advanced services including Continuous Penetration Testing (CASPT), Red Teaming, and compliance-driven assessments for FedRAMP, HIPAA, PCI DSS, and SOC 2. Trusted by...
Top Services:
- Cybersecurity
- Location
- Newark, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $5/hr
- Minimal Budget
- Under $1,000
Imagination encircles the world.
The Apple Consultants Network partner that solves both internal and client facing technology problems. Creatively!...
Top Services:
- Cybersecurity
- IT Services
- Managed Services
- Location
- Phoenix, Arizona
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $1/hr
- Minimal Budget
- $50,000 & Up
Deep Learning Cybersecurity
Deep Instinct leverages deep learning to provide advanced cybersecurity solutions...
Top Services:
- Cybersecurity
- AI Development
- Location
- New York City, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $1/hr
Analyze and Secure Every Software Package
ReversingLabs offers complete software supply chain security and malware analysis, using deep insights to protect against threats...
Top Services:
- Cybersecurity
- AI Development
- Location
- Cambridge, Massachusetts
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $1/hr
AI Protecting What Matters
CUJO AI provides AI-driven cybersecurity and network intelligence solutions for broadband operators...
Top Services:
- Cybersecurity
- AI Development
- Location
- Covina, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $1/hr
Hunt. Detect. Protect.
Cybereason delivers future-ready attack protection that unifies security from the endpoint to the enterprise, everywhere...
Top Services:
- Cybersecurity
- AI Development
- Location
- Boston, Massachusetts
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $1/hr
Protecting Your People, Data, and Brand
Proofpoint provides leading cybersecurity solutions to protect your people, data, and brand from advanced threats and compliance risks...
Top Services:
- AI Development
- Cybersecurity
- Location
- California, Maryland
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $1/hr
Empowering Businesses with Technology
Freoz LLC specializes in providing innovative technology solutions and consulting services to help businesses thrive...
Top Services:
- Cybersecurity
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $1/hr
Defending with Intelligence
SIFT specializes in AI-driven cybersecurity solutions to protect organizations from digital threats...
Top Services:
- Cybersecurity
- AI Development
- Location
- Minneapolis, Minnesota
- Number of Employees
- Under 49
- Average Hourly Rate
- $1/hr
Making IT Work for You
WorkMagic, LLC provides comprehensive IT and managed services to help businesses optimize their technology infrastructure...
Top Services:
- Cybersecurity
- AI Development
- Location
- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $1/hr
Intelligence Redefined
Maanz AI offers advanced AI and data analytics solutions to help businesses unlock insights and drive innovation...
Top Services:
- Cybersecurity
- AI Development
- Location
- Casper, Wyoming
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $1/hr
Cybersecurity Companies by City
Cybersecurity Companies by State
Cybersecurity Specializations in the US
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Cybersecurity Companies FAQs
What services do top cybersecurity companies in the USA provide?
They offer a comprehensive range of services to protect a business from digital threats and attacks. According to IBM’s latest report, businesses are increasing their investments in these top 5 services:
- Threat intelligence and analysis (43%): Gathering data on cyberthreats, adversary behaviors, and emerging vulnerabilities to proactively defend systems
- Data security and protection tools (37%): Implementing firewalls, encryption, and data loss prevention (DLP) solutions to ensure the confidentiality and integrity of a company’s data
- Incident response and testing (35%): Developing and testing a strategy to monitor, identify, and manage threats to minimize business damage
- Security awareness training (33%): Educating employees on the latest security best practices and the company’s security protocols
- Offensive security testing (32%): Employing ethical hacking and penetration testing to simulate real attacks to uncover and address vulnerabilities
What is a typical project implementation timeline for this industry?
Typically, cybersecurity implementation can take a few months to over a year, depending on your current security stature, IT infrastructure, industry-specific regulations, and project scope and complexity.
Here's an approximate cybersecurity timeline:
| Stage | Tasks |
System audit and requirement analysis |
|
System Design |
|
| Policy development (1-2 months) |
|
| System development (4-6 months) |
|
| System Testing (3-4 months) |
|
| Implementation (1-3 months) |
|
How much do businesses allocate for cybersecurity?
Depending on service scope, business size, number of devices, IT infrastructure complexity, and compliance requirements, businesses allocate 5-20% of their IT budget to cybersecurity.
Here’s an approximate breakdown according to business size:
- Small businesses (less than 100 employees) allocate 5-10% of their IT budget for cybersecurity, as they typically cover fewer systems and users.
- Medium-sized companies (100-1,000 employees) invest 8-15% of their tech budget, as they may need more comprehensive endpoint and cloud security services.
- Large enterprises (1,000+ employees) dedicate 10-20% of their technological budget, often requiring 24/7 security operations, full compliance and support audits, and more complex security solutions.
How often should businesses audit their cybersecurity?
Approximately 23% of security breaches stem from IT failure, and 26% are caused by human error — both of which are preventable with regular security audits.
Here’s how often you should conduct cybersecurity audits according to best practices:
- Annual audits for comprehensive audits of your entire system, including your policies, frameworks, network, and recovery plan.
- Biannually and quarterly to achieve regulatory compliance (e.g., PCI DSS and HIPAA), protect highly sensitive data, and manage complex infrastructures. A common practice is to conduct monthly vulnerability assessments and quarterly penetration testing.
- Immediately after a reported incident or a change in your infrastructure (e.g., implementing a new enterprise resource planning system).
What US industries benefit from cybersecurity services?
While all industries benefit from working with top cybersecurity companies, research shows that certain sectors experience more threats than others. Here are the sectors with the most damaging breaches and the share of breaches exceeding $1 million:
- Healthcare: 47%
- Tech, Media, and Telecom: 43%
- Financial: 38%
- Energy, Utilities, and Resources: 37%
- Industrial and Auto: 33%
- Retail and Customer: 28%













