Embedded SW company specialized in cybersecurity.

Based in France’s innovation hub Sophia Antipolis, BlackBoxSecu® provides security solutions against phone tapping and eavesdropping for audio communication systems (smartphones, fixed lines, VoIP and radios).

BlackBoxSecu also develops complex and customer suited embedded software solutions in the domains of cybersecurity, automotive, banking, IoT, M2M, and secure communication.

BlackBoxSecu’s offer is positioned as the reference for both private and professional security solutions for middle/large companies, governments, executives, lawyers, and VIPs. 

With the growing insecurity and the need to protect our private lives, BlackBoxSecu offers both ease of use and cryptography technologies efficiency to ensure confidentiality of communications for sensitive or strategic information (professional or personal).

The company has been awarded the Innovation Award of Special Forces SOFINS 2017, Trophées de la Sécurité 2017 (Bronze medal) in France and has been selected by Village by CA (Crédit Agricole) for startup programs acceleration.

$50 - $99 / hr
2 - 9
Show all +
Sophia-Antipolis, France
  • Le village by CA, Rue claude daunesse
    Sophia-Antipolis, A06 06560


Key clients: 




CBOX VoIP serverless system secures all type of fixed line communication over analog & VoIP networks

CBOX - secure voice communication product Image

CBOX - secure voice communication product


CBOX®  is a product designed to secure voice communication over standard voice mobile ( a.k.a. "circuit switched") & VoIP networks. Powered by a Deep Learning technology for voice signal transmission, CBOX VoIP voice encryptor provides the highest level of confidentiality for voice communication over fixed line phones and internet communicators.
Utilizing both advanced adaptive voice communication methods

and a high level of encryption, CBOX VoIP protects organizations and professionals from illegal eavesdropping and communication spying. The increase of voice call interception is an imminent threat to privacy, business continuity and growth.


Based on a stand-alone box, the CBOX® performs encryption of audio signals directly at the source of voice (microphone of user headset) as well as the symmetrical operation, namely the decryption.



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Phone Security for IT Service Company

“They’re highly available and customer-oriented.”

Willing to refer: 
The Project
2017 - Ongoing
Project summary: 

Using an existing product, BLACKBOXSECU developed a custom encryption solution for secure phone conversations.

The Reviewer
2-10 Employees
CEO, IT Services Company
The Review
Feedback summary: 

The end customer loved the product, which is highly stable and innovative. BLACKBOXSECU excelled at customer service, domain expertise, and accuracy.

A Clutch analyst personally interviewed this client over the phone. Below is an edited transcript.


Introduce your business and what you do there.

I’m the CEO of an IT services company that works on IT security and telecoms.


What challenge were you trying to address with BLACKBOXSECU?

We needed a solution that would help our customers secure their phone calls.


What was the scope of their involvement?

BLACBOXSECU developed an encryption solution that allows a secure conversation over the phone with anyone. They tweaked an existing product a little bit for our needs.

What is the team composition?

We work with three people from their team.

How did you come to work with BLACKBOXSECU?

They won some awards here in France, which was how I discovered them. After a technical discussion, I saw that they had the knowledge to do exactly what was needed. We understood each other.

What is the status of this engagement?

We started working together in 2017, and the work is ongoing.


What evidence can you share that demonstrates the impact of the engagement?

We’ve had extremely positive feedback. Everyone was happy with the end product. The product they made for us is stable and innovative.

How did BLACKBOXSECU perform from a project management standpoint?

They’re easy to communicate with. They’re highly available and customer-oriented.

What did you find most impressive about them?

They possess high-level technical knowledge and delivered exactly what we were looking for.

Are there any areas they could improve?

No, there’s nothing I’d have them improve.

Do you have any advice for potential customers?

Don’t hesitate to work with them.

Overall Score They’re great. Our customer loves the product they made.
  • 5.0 Scheduling
    They are always on time. Sometimes, they’ve found it difficult to reach me because I wasn’t available.
  • 5.0 Cost
    Value / within estimates
    They overdelivered.
  • 5.0 Quality
    Service & deliverables
    They understood our needs and built what we needed.
  • 5.0 NPS
    Willing to refer
    When it comes to telecom and security, they are highly skilled. I’d definitely recommend working with them.