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24/7 Threat Detection and Response & Pentesting

UnderDefense: Your 24/7 Cybersecurity Partner

Our Core Solutions:

Managed Detection and Response (MDR)
Penetration Testing
Compliance
Cloud Security
Managed SIEM/EDR
Incident Response


We help you:

  • Min project size
    $5,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Year founded
    Founded 2017

No have been added yet...

    Pricing Snapshot

    Min. project size $5,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    UnderDefense offers competitive pricing and good value for cost, with multiple clients noting that their budgets were well accommodated. Specific project costs ranged from $10,000 to $50,000, with strong emphasis on quality deliverables and effective communication throughout engagements.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 55 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    UnderDefense Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Proficient in Penetration Testing

      UnderDefense is frequently praised for its proficiency in penetration testing, identifying vulnerabilities and providing detailed reports. Clients appreciated their thorough assessments and recommendations for remediation, which helped enhance security compliance and best practices.

    • Strong Communication Skills

      UnderDefense is commended for its strong communication skills, ensuring regular updates and clear explanations throughout the project. This effective communication fosters trust and collaboration with clients.

    • Effective Project Management

      Clients consistently highlight UnderDefense's effective project management. The team delivers projects on time, maintains clear communication, and responds promptly to client needs, creating a smooth and seamless experience.

    • High Customer Satisfaction

      Feedback indicates high customer satisfaction with UnderDefense's services. Clients are impressed by the team's expertise, professionalism, and dedication to delivering high-quality results that meet or exceed expectations.

    • Flexible and Adaptable Team

      Clients appreciate UnderDefense's flexibility and adaptability in handling project requirements. They adjust to client needs and provide customized solutions, demonstrating a willingness to go above and beyond.

    • Room for Improvement in Reporting

      While generally positive, some clients suggested improvements in the detail and clarity of reports. Providing more business-oriented insights alongside technical findings could enhance the value of their deliverables.

    UnderDefense Reviews

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    Services
    Project cost

    Managed Security Services for Telecom Company

    • Cybersecurity
    • $10,000 to $49,999
    • July 2017 - May 2018
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    “The UD team showed excellent communication skills and a high level of flexibility.”

    Jul 25, 2018
    CIO, Datagroup
    Volodymyr Dubei
    Verified
    • Telecommunications
    • Kyiv, Ukraine
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    UnderDefense conducted a security assessment to determine gaps in a data company’s privacy system. The team provided a working security operations center and trained internal staff to handle threats.

    Penetration Test for iOS and Android Mobile Payment App

    • Cybersecurity
    • Less than $10,000
    • Jan. - Feb. 2015
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “What makes the company different is their strong, motivated team.”

    Jul 23, 2018
    CTO, 5Pro Software
    Igor Kantor
    Verified
    • Other industries
    • Frankfurt (Oder), Germany
    • 11-50 Employees
    • Online Review
    • Verified

    UnderDefense performed a series of backend penetration tests for iOS and Android mobile payment app. They delivered a security report as well as code samples to show how a hacker might breach the system.

    Research and Development for Cybersecurity Company

    • Cybersecurity
    • $50,000 to $199,999
    • Apr. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “The engineering team takes initiative, and we appreciate their proactive approach.”

    Jul 20, 2018
    CEO, Beyond Security
    Aviram Jenik
    Verified
    • Business services
    • San Jose, California
    • 51-200 Employees
    • Online Review
    • Verified

    UnderDefense augmented an existing cybersecurity team in researching new vulnerabilities in an existing system and creating tools to check for those vulnerabilities in the future.

    Cybersecurity Consulting for Software Firm

    • Cybersecurity
    • $50,000 to $199,999
    • Aug. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "We’ve been able to build our company’s profile as a security firm."

    Jul 20, 2018
    Head of Security Center, Kromtech Alliance
    Oleksandr Kernishniuk
    Verified
    • Other industries
    • Ukraine
    • 51-200 Employees
    • Phone Interview
    • Verified

    UnderDefense provided cybersecurity consulting services, working on the client's strategy, recommending infrastructure and services, and providing experts for security processes.

    Gray Box Penetration Testing for Water Credits Market Co

    • Cybersecurity
    • Confidential
    • July - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "UnderDefense was fast and easy to work with and provided extensive testing."

    Aug 20, 2025
    CTO, Hypercube
    Alan Torrisi
    Verified
    • Other industries
    • Switzerland
    • 1-10 Employees
    • Online Review
    • Verified

    UnderDefense provided cybersecurity services for a water credits market company. The team conducted a gray box penetration test on the client's servers, fixed breaches, and performed retests.

    Cybersecurity Services for Staff Augmentation Company

    • Application Testing Cybersecurity
    • $10,000 to $49,999
    • Oct. - Nov. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We are fully satisfied with the work provided."

    Jan 30, 2025
    IT & Cybersecurity Manager, Devsu LLC
    Marco Balboa
    Verified
    • Other industries
    • Orlando, Florida
    • 201-500 Employees
    • Online Review
    • Verified

    UnderDefense provided cybersecurity services for a staff augmentation company. The team assessed the client's external applications and provided recommendations for ISO 27001 compliance.

    Penetration Testing & Social Engineering for AI Solutions Co

    • Application Testing Cybersecurity
    • Confidential
    • Oct. - Dec. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The quality of the results provided by the UnderDefense team aligned with our expectations."

    Mar 13, 2024
    Information Security Officer, Master of Code Global
    Iryna Shevchuk
    Verified
    • Other industries
    • Cherkasy, Ukraine
    • 201-500 Employees
    • Online Review
    • Verified

    UnderDefense performed penetration testing on an AI business solutions company's web services. Then, they conducted a social engineering exercise, which included implementing scenarios and tracking results.

    Cybersecurity Monitoring System Dev for Digital Mktg Co

    • Custom Software Development Cybersecurity
    • $10,000 to $49,999
    • Aug. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their project management was akin to a well-oiled machine."

    Sep 7, 2023
    Communications Manager, Digital Marketing Company
    Valeria Raznatovska
    • Advertising & marketing
    • Kyiv, Ukraine
    • 11-50 Employees
    • Online Review

    UnderDefense has designed and implemented a cybersecurity monitoring system for a digital marketing agency. Deliverables include 30-day impact reports, continuous data monitoring, tool setup, and training.

    Cybersecurity for IT Company

    • Cybersecurity
    • Confidential
    • Jan. 2022 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The most impressive thing was the tremendous work done by UnderDefense."

    Mar 16, 2023
    Information Security Tech Lead, airSlate Inc.
    Oleksii Misnik
    Verified
    • Business services
    • Boston, Massachusetts
    • 501-1,000 Employees
    • Online Review
    • Verified

    UnderDefense was hired by an IT company to protect their servers and employees. The team is responsible for 24/7 threat detection and response, utilizing CrowdStrike as EDR.

    Penetration Testing for Financial Services Company

    • Application Testing Cybersecurity
    • $10,000 to $49,999
    • Nov. - Dec. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They delivered on time and responded very well to our needs."

    Mar 9, 2023
    Penetration Tester, Financial Services Company
    Anonymous
    • Financial services
    • Isle of Man
    • 501-1,000 Employees
    • Online Review

    UnderDefense conducted penetration tests for a financial services company. They tested four web applications and several IP addresses before creating a report for the client.

    Contact UnderDefense

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