Home IT Services Cybersecurity South Korea

Top Cybersecurity Consulting Companies in South Korea

Ratings Updated: July 13, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

Featured

What are Featured Providers?

Foresite Cybersecurity

4.9 30 reviews
Premier Verified

Undisclosed

Undisclosed

50 - 249

Serves South Korea

Services provided

50% Cybersecurity

30% Compliance Consulting

10% Cloud Consulting & SI +1 service

10% IT Managed Services

Foresite Cybersecurity is a managed cybersecurity company focused on providing comprehensive IT security solutions, including vulnerability assessment, network security, and penetration testing. Reviews indicate high satisfaction, with over 90% highlighting their responsiveness, thorough communication, and the value of their services. Their skilled engineers and competitive pricing are consistently praised, making them an excellent choice for clients needing tailored cybersecurity support.

See all 30 projects

25 of 26 Cybersecurity reviews are 5 stars

$50,000 – $199,999 avg. project cost

Cybersecurity PROJECT HIGHLIGHT

Cybersecurity for Healthcare Company
5.0 — Foresite has performed a NIST 500-83 Rev 5 compliance assessment for a healthcare company. They also work with the client to establish cybersecurity policies and procedures to meet the NIST Read more
Read 26 Reviews

Was this helpful?

Industry Experience

Foresite Cybersecurity has garnered positive feedback across diverse industries, including healthcare, education, financial services, and government. Clients praise their expertise in managed IT and cybersecurity services, including penetration testing and compliance assessments. Sentiment is consistently favorable, emphasizing Foresite's responsiveness, technical proficiency, and tailored solutions. Their focus on customer service and proactive approach to security challenges positions them as a strong partner for organizations in sectors prioritizing cybersecurity.
Read All Reviews

Select Industry to see insights

Manufacturing Financial services Education Consulting Engineering Retail Restaurants Hospitality & leisure Information technology Construction Government GPS, Navigation & GIS Healthcare

Was this helpful?

Average Project Cost Breakdown

$50,000 to $199,999 (7) $10,000 to $49,000 (4) $200,000 to $999,999 (3) Less than $10,000 (1)

What Clients Have Said
Foresite Cybersecurity is consistently praised for its competitive pricing and exceptional value for money. Clients highlight that the company's services fit their budgets while delivering high-quality results, such as timely project completion and effective communication. Specific feedback includes comments on their alignment with client needs and proactive support, making them a preferred choice for many organizations. Overall, the sentiment reflects a strong satisfaction with the cost-effectiveness and quality of services offered by Foresite.
Read All Reviews

Was this helpful?

View projects from:

United States (22) England (5)

Was this helpful?

View Profile Visit Website

Winged IT

4.9 17 reviews
Premier Verified

$1,000+

$25 - $49 / hr

50 - 249

Serves South Korea

Services provided

20% Cybersecurity

40% IT Staff Augmentation

40% Recruiting

Winged IT is a cybersecurity company offering specialized services such as incident response, security architecture, and penetration testing. Their expertise has been praised by clients for enhancing security postures and accelerating response times. With 100% positive feedback, clients highlight their seamless integration and global delivery capabilities, though some suggest expanding their team beyond the current 10 members for greater capacity.

See all 17 projects

2 of 2 Cybersecurity reviews are 5 stars

2 new reviews for Cybersecurity in past 6 months

Less than $10,000 avg. project cost

Cybersecurity PROJECT HIGHLIGHT

Cybersecurity Services for Cybersecurity Firm
5.0 — Winged IT provides ongoing cybersecurity services for a cybersecurity firm. The team supports the client by strengthening security architecture, responding to incidents, and managing access Read more
Read 2 Reviews

Was this helpful?

Industry Experience

Winged IT has demonstrated expertise across various industries, including IT Services, Information Technology, Advertising & Marketing, and Financial Services. Clients praised their responsiveness, professionalism, and ability to deliver high-quality candidates tailored to specific project needs. Overall, the sentiment is highly positive, particularly regarding their strength in cybersecurity and staff augmentation. Potential clients in these sectors can expect reliable partnership, swift delivery, and a solid understanding of technical requirements.
Read All Reviews

Select Industry to see insights

Information technology Advertising & marketing Software IT Services Financial services

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (3) $10,000 to $49,000 (3) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently praised Winged IT for delivering good value for cost, with many highlighting that their pricing fit within budget constraints. For example, the COO of Redpoint Cyber mentioned that Winged IT’s pricing was aligned with their budget and offered good value. Similarly, the CEO of Refracted Security noted that Winged IT provided strong candidates quickly without compromising on quality, reinforcing positive sentiments about cost-effectiveness across multiple reviews.
Read All Reviews

Was this helpful?

View projects from:

Poland (4) Switzerland (2) United States (2) Belgium (1) Finland (1) Germany (1) Israel (1) Italy (1) Malta (1) Sweden (1)

Was this helpful?

View Profile Visit Website
TPx Communications

4.3 72 reviews
Verified

$1,000+

$100 - $149 / hr

250 - 999

Serves South Korea

Services provided

40% Cybersecurity

50% IT Managed Services

10% Unified Communications Consulting & SI

TPx Communications is a comprehensive managed cybersecurity company specializing in IT security, network security, and data protection services. With a solid track record of success, the company has earned positive reviews for its robust cyber defense solutions, with 100% of customers highlighting their value-for-cost and exceptional project management. Clients consistently praise their responsive team and effective vulnerability assessments, noting improved security and reduced incidents.

See all 72 projects
Reviews mention Proactive
The client feedback highlights a consistently proactive approach by TPx Communications. They appreciated the team's responsiveness and commitment to resolving issues promptly, noting that TPx was 'always on top of the project' and ensured effective communication throughout the engagement. The client emphasized that TPx did not leave them 'high and dry' when challenges arose, reflecting a strong dedication to customer support and service quality. Overall, the sentiment regarding proactivity is overwhelmingly positive.

Remote Work System Dev for Insurance Company

5.0 Dec 15, 2022

They have always communicated options to improve our system over the years. They also serve as our backup DSL should our gigabit service ever fail.
Read Full Review

Read All Reviews

Was this helpful?

6 of 7 Cybersecurity reviews are 5 stars

Less than $10,000 avg. project cost

Cybersecurity PROJECT HIGHLIGHT

Cybersecurity & IT Managed Services for Water Filtration Co
5.0 — TPx Communications provides cybersecurity services for a water filtration company. The team has also provided technical support and vendor management and implemented a phone system. Read more
Read 7 Reviews

Was this helpful?

Industry Experience

TPx Communications has demonstrated expertise across various industries including healthcare, education, manufacturing, and non-profit sectors. Clients commend their effectiveness in enhancing cybersecurity, improving network performance, and streamlining communication systems. The overall sentiment is positive, with many highlighting their responsiveness, project management, and cost-effectiveness. Organizations focused on operational efficiency and security may find TPx particularly suitable, given their proven track record in providing reliable IT solutions tailored to industry-specific needs.
Read All Reviews

Select Industry to see insights

Business services Telecommunications Home Services Food & Beverages Medical Non-profit Nonprofit Manufacturing Transportation Government Utilities Software Construction Real estate Other Industry Financial services Legal Research Consumer Products Arts, entertainment & music IT Services Restaurants Energy & natural resources Agriculture Retail Healthcare Education Advertising & marketing

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (21) $10,000 to $49,000 (12) $50,000 to $199,999 (4) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently highlight TPx Communications for their excellent value for money, with many stating that their pricing fits within budget constraints while delivering quality service. For instance, one client noted, 'Good value for cost,' while another emphasized the 'significant savings' achieved through TPx's solutions. Overall sentiment reflects satisfaction with the cost-effectiveness of their services, although a few reviews pointed out areas for improvement in project management and communication.
Read All Reviews

Was this helpful?
View Profile Visit Website
Kairos

3.5 1 review

$1,000+

$150 - $199 / hr

2 - 9

Seoul, South Korea

Services provided

20% Cybersecurity

20% Other IT Consulting and SI

20% Web Development +4 services

10% Cloud Consulting & SI

10% E-Commerce Development

10% IT Managed Services

10% IT Strategy Consulting

Kairos is a web development company specializing in e-commerce platform development and IT support. The majority of feedback is positive, with 100% of reviewers praising their technical expertise and project management. However, 100% also noted challenges with scope flexibility. Their documentation and ability to handle technical security issues are particularly commendable.

See all 1 projects

Industry Experience

Kairos has demonstrated expertise primarily in the Consumer Products sector, particularly in e-commerce platform development. Clients commend their strong project management, technical security knowledge, and detailed documentation. Feedback highlights Kairos's effectiveness in migrating and upgrading online platforms, though some clients note challenges with flexibility regarding project scope changes. Overall, they are well-suited for startups seeking robust digital solutions and ongoing IT support in the consumer products industry.
Read All Reviews

Select Industry to see insights

Consumer Products

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients generally perceive Kairos as providing good value for money, with one client noting an investment of $4,500 for comprehensive e-commerce development and ongoing support. The expertise and thorough documentation offered by the team were highlighted positively. However, some clients expressed concerns regarding the rigidity in accommodating additional requests outside the initial scope, suggesting a need for clearer communication and expectations regarding project specifications.
Read All Reviews

Was this helpful?

View Profile
Cloudbric

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Services provided

50% Cybersecurity

50% IT Managed Services

Cloudbric, a Cybersecurity and IT managed services company, is located in Seoul, South Korea. They specialize in Cybersecurity and IT managed services.
Read more

View Profile
Featured

What are Featured Providers?
LayerCake Technologies

5.0 17 reviews
Verified

Undisclosed

Undisclosed

50 - 249

Serves South Korea

Services provided

15% Cybersecurity

70% IT Managed Services

15% IT Strategy Consulting

LayerCake Technologies, a leader in providing Managed Cybersecurity and IT services, excels in Information Security, Network Security, and Cyber Defense. Their reviews reflect a 100% positive sentiment, emphasizing their outstanding communication, effective problem-solving, and dedication to client satisfaction. Notably, 80% of reviewers highlight their responsiveness and technical expertise, making LayerCake Technologies a trusted partner for comprehensive IT Security solutions.

See all 17 projects
Reviews mention Accessible
Total Networks has received overwhelmingly positive feedback regarding their accessibility. Clients consistently highlight the availability of their team, with one noting, 'the availability of their team was never in question.' Another client emphasized their 24/7 support, stating, 'they're always available whenever we need them.' Regular check-ins and open communication channels further enhance their approach, ensuring clients feel supported and informed throughout their engagements.

Managed IT Services for Insurance Company

5.0 Jul 13, 2022

Scheduled check-ins and updates were provided on a consistent basis with open opportunities to discuss any concerns on an ad-hoc basis. The availability of their team was never in question and continues to operate that way in our steady state of the Managed Services they provide.
Read Full Review

Managed IT Services for Insurance Agency

5.0 Nov 10, 2021

We communicate through email, but sometimes I call them because they’re available 24/7. In connection with that, our communication process is very natural, and we don't have any barriers or timezone issues.
Read Full Review

IT Network Services for Law Firm

5.0 Aug 24, 2021

Total Networks has been very willing to work on weekends or nights to make sure the system doesn’t impact our billable professionals. They’re always available 24/7, and there’s also a ticketing system that we can initiate if something isn’t urgent.
Read Full Review

Read All Reviews

Was this helpful?

Industry Experience

LayerCake Technologies has received favorable feedback across various industries, including Medical, Financial Services, Legal, and Real Estate. Clients commend their expertise in IT managed services, particularly in seamless migrations, cybersecurity, and overall IT management. The sentiment is overwhelmingly positive, highlighting strengths in responsiveness, project management, and technical knowledge. The Medical and Legal sectors, in particular, appreciate their capability to handle sensitive data and compliance requirements, making LayerCake a suitable partner for clients in these fields.
Read All Reviews

Select Industry to see insights

Medical Financial services Other industries Real estate Legal

Was this helpful?

More responsive than most other service providers

LayerCake Technologies is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?

View projects from:

Phoenix, Arizona (8) Scottsdale, Arizona (5) Tempe, Arizona (2) Sacramento, California (1) Mesa, Arizona (1)

Was this helpful?
View Profile Visit Website
Net at Work LLC

4.8 9 reviews
Premier Verified

$5,000+

$100 - $149 / hr

250 - 999

Serves South Korea

Services provided

35% Cybersecurity

65% IT Managed Services

Net at Work LLC is a company specializing in Information Security, Network Security, and Managed Cybersecurity services. They consistently meet project deadlines, providing valuable IT support and security solutions. Reviewers highlight their expertise, with 100% noting timely delivery and effective communication, though some mention staff turnover as an area for improvement.

See all 9 projects
Reviews mention Easy to work with
Clients consistently express that Net at Work Inc. is easy to work with, highlighting their strong communication and technical expertise. A VP of finance noted the company's responsiveness and ability to resolve issues, stating, "It’s easy to work with them," and emphasized the importance of their long-standing relationship over 20 years. Overall, the sentiment reflects satisfaction with collaboration and support, reinforcing their reputation as a reliable partner.

Software Implementation & IT Services for Distribution Co

5.0 Jan 21, 2021

Net at Work is a full-service provider. They’re relatively local to us. When we need them on-site, they’re able to be there. Their team is technically knowledgeable and resolves issues along the way. It’s easy to work with them. If we didn’t have a good relationship with them, we wouldn’t still be with them 20 years later.
Read Full Review

Read All Reviews

Was this helpful?

2 of 3 reviews are 5 stars

2 new reviews for Cybersecurity services

$50,000 – $199,999 avg. project cost

Reviewed 3 times in the past 6 months
Recent reviews of Net at Work LLC highlight their exceptional IT support and ERP consulting services, with clients praising their expertise and timely delivery. For instance, a President noted that their SAGE Accounting support was invaluable, while a Director of Operations emphasized improved IT infrastructure and uptime since transitioning to cloud services. Overall sentiment reflects strong satisfaction with their performance, although some clients suggested better communication between different service areas could enhance the experience.
Read 3 Recent Reviews

Was this helpful?

Industry Experience

Net at Work LLC has demonstrated expertise across various industries including Manufacturing, Food & Beverage, and Other industries. Clients commend their IT support, project management, and ERP consulting services, highlighting strengths in SAGE Accounting and comprehensive managed services. Sentiment is overwhelmingly positive, noting timely delivery and technical knowledge. Industries such as Manufacturing benefit from robust managed services, while Food & Beverage clients appreciate network security and system integration. Overall, Net at Work LLC is well-suited for companies seeking reliable IT and ERP solutions.
Read All Reviews

Select Industry to see insights

Consumer Products Transportation Food & Beverage Manufacturing Other industries

Was this helpful?

More responsive than most other service providers

Net at Work LLC is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?
View Profile Visit Website
Wendego IT Solutions

5.0 16 reviews
Verified

$1,000+

$200 - $300 / hr

2 - 9

Serves South Korea

Services provided

30% Cybersecurity

40% IT Managed Services

15% Cloud Consulting & SI +1 service

15% IT Strategy Consulting

Wendego IT Solutions is a specialized provider of Managed Cybersecurity and IT Security services, focusing on network security and data protection. The company is consistently praised for its proactive approach, with 100% of reviewers appreciating their responsiveness and reliability. Clients report over 99% system uptime and express high satisfaction with Wendego's ability to anticipate and address potential cybersecurity issues, aligning with industry best practices.

See all 16 projects
Reviews mention Detail-oriented
Clients have lauded Wendego IT Solutions for their exceptional attention to detail, consistently delivering projects ahead of schedule and exceeding expectations. One client noted their meticulous planning and proactive approach, which ensured smooth project execution and minimized disruptions. Their ability to coordinate effectively with company leadership and anticipate challenges was particularly impressive. Overall, the sentiment reflects a strong appreciation for Wendego's commitment to excellence and thoroughness in managing complex IT projects.

Managed IT Services for Life Research Products Company

5.0 Aug 14, 2025

Wendego consistently delivered well above expectations in every aspect of project management. IT-related projects were handled thoroughly and often completed ahead of schedule, reflecting their attention to detail and commitment to excellence. System upgrades and major initiatives were carefully coordinated between their team and our company leadership, ensuring transparency around timelines, budgets, and resource allocation.
Read Full Review

Read All Reviews

Was this helpful?

1 of 1 reviews is 5 stars

1 new review for Cybersecurity services

Unknown avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, Wendego IT Solutions has received positive feedback for their organized project management and proactive IT support. Clients noted a 99%+ uptime for critical systems and quick response times under 10 minutes. One client highlighted Wendego's ability to provide strategic guidance and maintain HIPAA compliance as particularly impressive, while another emphasized their proactive approach to security. Overall, sentiment remains highly favorable, with clients appreciating their reliability and responsiveness.
Read 1 Recent Review

Was this helpful?

8 of 8 Cybersecurity reviews are 5 stars

1 new review for Cybersecurity in past 6 months

$10,000 – $49,000 avg. project cost

Cybersecurity PROJECT HIGHLIGHT

Managed IT Services for Life Research Products Company
5.0 — Wendego IT Solutions provided managed IT services for a life sciences research products distributor. The team handled network monitoring, Microsoft 365 administration, firewall security, and Read more
Read 8 Reviews

Was this helpful?

More responsive than most other service providers

Wendego IT Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?
View Profile Visit Website
KINX

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Seoul, South Korea

Services provided

30% Cybersecurity

70% Cloud Consulting & SI

Established in 2000, KINX, a small cloud consulting & SI company, is based in Seoul, South Korea. Their services include cloud consulting & SI and Cybersecurity.
Read more

View Profile

Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

Get My Matches

Stackgenie

5.0 8 reviews

$5,000+

$50 - $99 / hr

50 - 249

Busan, South Korea

Services provided

15% Cybersecurity

35% Cloud Consulting & SI

30% DevOps Managed Services +1 service

20% Generative AI

Stackgenie is a cybersecurity services provider specializing in IT security, network security, and managed cybersecurity. Reviews highlight their impressive customer service, collaborative nature, and effective solutions, even with limited information. With 100% of feedback being positive, clients commend their swift resolution capabilities, recommending them for timely and budget-conscious projects.

See all 8 projects
Reviews mention Hard working
Clients consistently commend Stackgenie for their hard work and dedication. One reviewer noted their commitment to timely project delivery, stating, 'they work day and night to complete their work on time.' Additionally, the director of Fegno Technologies highlighted the team's impressive communication and experienced talent, emphasizing their commitment to delivering effective solutions. Overall, the sentiment reflects a strong appreciation for Stackgenie's diligence and work ethic.

Cloud Consulting & Architecture Dev for Software Dev Company

5.0 Jul 5, 2023

Stackgenie has ensured a very smooth delivery, and their communication has been very good along the way. I really appreciate that they work day and night to complete their work on time. Additionally, the talent on their team is very experienced, and their commitment to their work is noteworthy.
Read Full Review

Read All Reviews

Was this helpful?
Average Project Cost Breakdown

Less than $10,000 (2) $50,000 to $199,999 (2)

What Clients Have Said
Stackgenie is frequently praised for its cost-effectiveness and value for money. Clients noted that the pricing fit their budgets and highlighted the company's ability to deliver exceptional results without exceeding costs. For example, one client emphasized that Stackgenie 'exceeded our expectations at every turn' while maintaining budget compliance. Another remarked on their impressive skills and the seamless integration into their team, reinforcing the sentiment that Stackgenie offers great value for the investment.
Read All Reviews

Was this helpful?

View projects from:

United States (3) India (2) United Arab Emirates (1)

Was this helpful?

Busan, South Korea

3F, 8,Seojeon-ro Busanjin-gu
Busan, South Korea 47291
2 - 5

+44 330-133-4519

See All Locations (18)

Was this helpful?
View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Top Cybersecurity Consulting Companies in South Korea

List of the Top South Korea Cybersecurity Consultants

Cybersecurity for Healthcare Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Cybersecurity Services for Cybersecurity Firm

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Proactive

Remote Work System Dev for Insurance Company

Cybersecurity & IT Managed Services for Water Filtration Co

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Accessible

Managed IT Services for Insurance Company

Managed IT Services for Insurance Agency

IT Network Services for Law Firm

Industry Experience

Select Industry to see insights

LayerCake Technologies is very responsive

Reviews mention Easy to work with

Software Implementation & IT Services for Distribution Co

Reviewed 3 times in the past 6 months

Industry Experience

Select Industry to see insights

Net at Work LLC is very responsive

Reviews mention Detail-oriented

Managed IT Services for Life Research Products Company

Reviewed 1 time in the past 6 months

Managed IT Services for Life Research Products Company

Wendego IT Solutions is very responsive

Reviews mention Hard working

Cloud Consulting & Architecture Dev for Software Dev Company

Average Project Cost Breakdown

What Clients Have Said

Tell us what you need — we’ll match you with top agencies in minutes.

Why Trust Clutch

List of the Top 1 South Korea Cybersecurity Consultants

Latest Cybersecurity Articles

Is Your Phone Spying On You? (And How to Stop It)

How to Create a Budget for BI & Analytics Services [With Template]

The Best Password Managers for Small Businesses in 2026

Similar Categories

Related Services

Specialties