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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 noted for providing good value for cost, with clients highlighting pricing that fits their budgets. Specific project costs range from $10,000 to $50,000, often involving small teams (2-5 employees), ensuring effective communication and timely delivery.

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

  • Cost-Effective Solutions

    UnderDefense offered competitive pricing and high value for their services, which was appreciated by clients across various industries looking for budget-friendly cybersecurity solutions.

  • Effective Incident Response Planning

    Clients noted UnderDefense's ability to develop robust incident response plans and provide training, which enhanced their readiness to handle cybersecurity incidents proactively.

  • Timely Deliverables

    UnderDefense consistently delivered projects on time, often exceeding client expectations in terms of speed and efficiency. Their ability to meet tight deadlines was a recurring theme in client feedback.

  • Room for Improvement in Communication Details

    While generally praised for communication, some clients noted that more detailed project updates could enhance understanding and project flow, particularly in complex engagements.

  • Collaboration and Team Integration

    UnderDefense effectively integrated with client teams, offering collaborative solutions and working closely with internal staff to ensure project success. Their teamwork and cooperation were frequently mentioned as key strengths.

  • High-Quality Reporting

    Clients appreciated the detailed and well-structured reports provided by UnderDefense. These reports included comprehensive findings, risk assessments, and remediation strategies, which helped clients understand and address security issues 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
  • 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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