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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

Service Lines
Select Focus Area
Cybersecurity Technologies
Okta
60%
Industries
Information technology
25%
Financial services
20%
Gambling
15%
Gaming
15%
Telecommunications
15%
Medical
10%
Clients
Midmarket ($10M - $1B)
50%
Enterprise (>$1B)
30%
Small Business (<$10M)
20%
Certified in:
Cybersecurity Digital Forensics & Auditing

Pricing Snapshot

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

What Clients Have Said

UnderDefense is praised for its competitive pricing and strong value for cost across various cybersecurity services. Clients report project costs typically ranging from $10,000 to $50,000, highlighting effective communication and thorough deliverables, ensuring satisfaction and timely execution.

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

  • Effective Communication and Project Management

    Clients commend UnderDefense for their effective communication and project management skills. They maintain clear and open lines of communication, ensuring projects are delivered on time and within scope, which enhances client trust and satisfaction.

  • Proactive and Consultative Approach

    UnderDefense's proactive approach is frequently highlighted, with clients appreciating their consultative style. They not only execute tasks but also provide valuable insights and recommendations to improve clients' security postures.

  • Room for Improvement in Reporting

    A few clients suggested that UnderDefense could improve by providing more detailed or less technical reports to better communicate findings to non-technical stakeholders. This indicates a potential area for enhancing client experience.

  • Customization and Flexibility

    The ability of UnderDefense to tailor their services to meet specific client needs is a recurring theme. Clients value their flexibility and adaptability, which allows them to address unique challenges effectively.

  • High-Quality Deliverables

    UnderDefense is noted for producing high-quality deliverables, including detailed reports that are both informative and easy to understand. Clients appreciate the thoroughness and clarity of their documentation.

  • High Client Satisfaction

    Clients consistently express high satisfaction with UnderDefense's services, praising their expertise, communication, and ability to meet project requirements effectively. Many clients highlight the team's professionalism and willingness to go beyond expectations.

UnderDefense Reviews

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Services
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Industry
Location

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
  • Cloud Security
    +3
  • $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
  • Application Security
    +4
  • 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.

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