Top Cybersecurity Assessments & Hardening Companies

Cybersecurity assessment and hardening firms find the weaknesses an attacker would use, then close them. Assessments include external and internal penetration tests, web application and API testing, cloud configuration reviews, vulnerability scanning, phishing simulations and risk assessments mapped to NIST CSF or ISO 27001. Hardening is the follow-through: patching, removing default settings, tightening identity and access, and applying CIS Benchmarks to servers, endpoints and cloud accounts. Companies hire them before a SOC 2 audit, after an incident, or when a customer or insurer asks for evidence.

Compare the firms below on tester certifications, a redacted sample report, and whether they retest after fixes or help with the hardening.

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We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

8,203 Companies

List of the Best Cybersecurity Assessments & Hardening Agencies

Intersec, Inc.
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Founded in 2013, InterSec Inc. aims to deliver exceptional cybersecurity solutions to small and medium-sized enterprises. Our team consists of highly skilled professionals with vast experience across various cybersecurity areas, committed to addressing the specific needs of each client. We provide a
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Leesburg, Virginia, Us
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Intersec, Inc. excels in delivering comprehensive cybersecurity solutions tailored to diverse industries, specializing in Cybersecurity Assessments & Hardening to protect businesses and ensure compliance with federal and state requirements.”
Fluid Attacks
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Fluid Attacks assists companies in creating secure software without delays. We offer a comprehensive solution that helps you effectively identify and address vulnerabilities throughout the software development life cycle (SDLC). Our approach integrates automation, AI, and penetration testers to cond
Highlights
$10,000+
Min Project Size
50-249
Employees
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Fluid Attacks delivers comprehensive application security solutions integrating automation, AI, and expert testing across the SDLC, enabling secure software development with DevSecOps integration and detailed vulnerability insights.”
Silent Break Security
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Silent Break Security is a top provider of penetration testing and information security consulting services. Although it may seem like you’re only facing auditors, the real challenge comes from clever and persistent cyber adversaries who can discreetly circumvent advanced defense technologies. You r
Highlights
$5,000+
Min Project Size
$150+/hr
Avg Hourly Rate
10-49
Employees
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Silent Break Security specializes in penetration testing and information security consulting, delivering high-quality, professional services that enhance organizational security against sophisticated cyber threats through tailored assessments and training.”
Sectricity
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Hackers never pause, and neither should you. A cyberattack can disrupt your business, compromise sensitive information, and erode customer trust. The most effective strategy is a proactive approach. Our ethical hackers detect security and data weaknesses in your systems and personnel before malevole
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Merelbeke-Melle, Flanders, Be
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Sectricity provides proactive cybersecurity services including ethical hacking and comprehensive security assessments to protect businesses globally, ensuring compliance, reducing breaches, and enhancing operational resilience since 2020.”
Netdata Cybersecurity
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Netdata is a prominent global partner in cybersecurity services, boasting a team of over 200 certified engineers and more than 1,500 certifications. We are highly regarded as an associate of Palo Alto Networks, Cyberark, and Proofpoint. Our extensive range of security services includes managed and p
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
50-249
Employees
Miami, Florida, Us
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Netdata Cybersecurity is a global partner delivering comprehensive managed and professional security services, specializing in network, cloud, identity, threat management, and incident response with certified expertise.”
Bright Defense, LLC.
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Protecting the world from cybersecurity risks through ongoing compliance efforts. Our monthly engagement approach provides a strong cybersecurity program aligned with compliance frameworks such as SOC 2, HIPAA, and CMMC. After achieving compliance certification, we continuously improve your security
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Culver City, California, Us
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Bright Defense, LLC delivers comprehensive cybersecurity and compliance solutions, ensuring continuous protection through automation and adaptive programs aligned with SOC 2, HIPAA, and CMMC standards.”
GEOPC Ltd
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With years of experience in IT services and Cyber Security, our team guarantees optimal results at competitive prices. We utilize exclusive tools and collaborate with leading industry players to ensure your satisfaction and actionable outcomes. There's no need to wait over two weeks for your report—
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Oldbrook, England, Gb
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“GEOPC Ltd excels in cybersecurity services, focusing on threat simulations and account takeover prevention. Their expertise aligns well with Cybersecurity Assessments & Hardening, ensuring robust IT infrastructure protection for clients across diverse industries.”
IT SEC
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IT SEC is a prominent firm specializing in Information Security, Application Security, and Network & Data Security Assessment and Consultancy, dedicated to delivering top-notch cybersecurity practices to organizations across the globe. We equip professionals, small to medium-sized businesses, and la
Highlights
10-49
Employees
Dubai, Dubayy, Ae
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“IT SEC is a leading Middle East cybersecurity firm providing comprehensive information, application, and network security services globally, supporting diverse clients with expert solutions and training since 2011.”
Remediata
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Remediata is focused on providing top-notch cybersecurity services, offering Penetration Testing as a Service (PTaaS) to our clients. Our unique approach merges the skills of consultant-led penetration testing with ongoing vulnerability management, utilizing our advanced Platform. This results in a
Highlights
$5,000+
Min Project Size
10-49
Employees
Zilina, Sk
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Remediata delivers expert penetration testing and continuous vulnerability management through an advanced platform, empowering clients with integrated cybersecurity solutions and enhanced risk management.”
Pentest
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Identify Vulnerabilities Before They Are Exploited Our team of experts will pinpoint vulnerabilities, provide comprehensive evidence of potential exploits, explain issues clearly to your team, and offer solutions. To uphold our commitment to your security, we always include a complimentary targeted
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Lisboa, Lisbon, Pt
Services Provided
100% Cybersecurity Assessments & Hardening
AI Summary
“Pentest offers expert penetration testing services, identifying and addressing vulnerabilities across web and network systems with comprehensive reporting, retesting, and compliance support to ensure robust security.”

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