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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%

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 projects ranging from $10,000 to $50,000. Clients appreciate their ability to meet budgets while providing comprehensive security services, including penetration testing and 24/7 monitoring. Overall, clients find their services to be cost-effective and high-quality.

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

  • Room for Improvement in Communication

    Some reviews mentioned areas for improvement in communication, particularly in providing more detailed progress reports and ensuring clarity in project management updates.

  • Efficient Communication and Timely Delivery

    Clients consistently praised UnderDefense for their efficient communication and ability to deliver projects on time. They utilized various communication tools like Slack, email, and video meetings to ensure a smooth workflow and prompt response to client needs.

  • Strong Technical Skills and Industry Knowledge

    The technical expertise and industry knowledge of UnderDefense's team were frequently highlighted by clients. Their ability to understand complex systems and provide tailored security solutions was highly regarded.

  • Expertise in Cybersecurity Services

    UnderDefense is recognized for its expertise in cybersecurity, including penetration testing, security audits, and incident response. Clients appreciated their deep knowledge and ability to provide detailed reports and recommendations to improve security postures.

  • Proactive Approach and Problem Solving

    Clients valued UnderDefense's proactive approach in identifying vulnerabilities and proposing solutions. Their ability to anticipate client needs and offer strategic insights was a recurring theme in the feedback.

  • Comprehensive Security Reports and Recommendations

    UnderDefense provided comprehensive security reports that were detailed and easy to understand. Clients appreciated the actionable recommendations that accompanied these reports, which helped them address security gaps effectively.

UnderDefense Reviews

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Services
Project Cost
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
  • $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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