Trần Nhật T.

Enterprise (> 1000 emp.)

11/18/2025

"A service that is useful for enterprises in terms of security."

4.5/5

What do you like best about CyStack Security Services?

The partner’s support and attentiveness to the customer. Review collected by and hosted on G2.com.

What do you dislike about CyStack Security Services?

I’m unable to switch the ticket status when using my mobile device. Review collected by and hosted on G2.com.

Recommendations to others considering CyStack Security Services:

The platform needs to continue maintaining its appeal to talented bug bounty hunters, not only in terms of quantity but also quality. Review collected by and hosted on G2.com.

What problems is CyStack Security Services solving and how is that benefiting you?

CyStack Security Services-Whitehub.net provide an additional external defense layer that enhances application security. Review collected by and hosted on G2.com.

Response from Sơn Võ Thành of CyStack Security Services

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Hi Trần Nhật,

Thank you for your feedback and for highlighting our team’s support and attentiveness. We’re glad CyStack is adding value as an external security layer for your applications.

We apologize for the inconvenience you experienced with updating ticket status on mobile. Our team is actively reviewing the mobile workflow to improve usability and consistency across devices.

Thank you for your trust and for helping us improve.

Best regards,

Sơn Võ

Bill N.

Small-Business (50 or fewer emp.)

10/13/2025

"Helpful for PCI Assessment, but Application Pentesting Needs More Attention"

4/5

What do you like best about CyStack Security Services?

They have helped us to pass PCI Assessment. Review collected by and hosted on G2.com.

What do you dislike about CyStack Security Services?

Sometimes their team missed our application pentesting requirements. Review collected by and hosted on G2.com.

Recommendations to others considering CyStack Security Services:

The CyStack technical team needs to perform the scanning at night to avoid interrupting customer service. Review collected by and hosted on G2.com.

What problems is CyStack Security Services solving and how is that benefiting you?

They have helped us to find out and fix many problem on our web-application and Android-application. Review collected by and hosted on G2.com.

Response from CyStack Customer Success of CyStack Security Services

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Dear Bill, thank you for sharing your experience. We're glad our team helped you pass the PCI assessment and resolve issues across your web and Android applications.

We're sorry some app-testing requirements were missed. We've strengthened our scoping, scheduling, and communication processes, and we'll validate any affected items at no cost and issue an addendum.

We appreciate your feedback; it helps us get better. Please email support@cystack.net and we'll schedule the validation at a time that works for you.

CyStack Security Services Reviews (22)

CyStack Security Services Reviews (22)

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