The quantum threat and why post-quantum communication is a must | Read article
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Totally secure communication
for your peace of mind

Secure calling

Secure messaging

Secure file sending

KvantPhone is an easy-to-use, quantum resistant secure communication service

designed for businesses and large organizations offering the following advantages:

 

 

Totally secure calls and messages   

 

Secure conference calling   

 

Best practice cryptography 

 

 

 Convenience and discretion

 

 Set-up in minutes

 

 Regular security audits

No backdoor of any kind – guaranteed.

Backdoors often get hacked, allowing others to access and decrypt your communications.
Our team has made a huge effort to maximise the security of our users communications – click here to learn more.

KvantPhone is an easy-to-use, quantum resistant secure communication service

designed for businesses and large organizations offering the following advantages:

No backdoor of any kind – guaranteed.

Backdoors often get hacked, allowing others to access and decrypt your communications.

Our team has made a huge effort to maximise the security of our users communications – click here to learn more.

Why to secure your communication

Secure communication is now a necessity

Widely available technologies and the new world of quantum computers
put calls and messages increasingly at risk from:

 
Industrial
espionage
Criminal
eavesdropping
Surveillance
by hostile governments

We created KvantPhone to secure and protect your communications.
It’s time to get back your privacy.

To learn more about why to use secure communication tools, read our article.

Secure communication is no longer optional

Widely available technologies and the new world of quantum computers put calls and messages increasingly at risk from:

 
Industrial
espionage
Criminal
eavesdropping
Surveillance
by hostile governments

We created KvantPhone to secure and protect your communications.

It’s time to get back your privacy.

To learn more why to use secure communication tools, read our article.

The quantum threat and why post-quantum communication is a must  

Encrypted all the way
All around security
Secure administration
Quantum resistance

Maximum security without the need
for any special hardware

KvantPhone’s best-practice methodology ensures maximum security for voice
and instant message communications on your mobile phone.

 

By using KvantPhone, you can be sure that your calls or messages cannot be compromised,
and that what you say or message remains inaccessible to third parties.

 

 

 

 

 

 

Built-in quantum resistance
in all features

 

“In light of quantum computing advancements, post-quantum cryptography and quantum
resistant secure communication measures are gaining increased importance.”
 
To understand the details of KvantPhone’s post-quantum security, read the Security White Paper.
Learn more about our features
Encrypted all the way
All around security
Secure administration
Encrypted all the way

 

Maximum security without the need
for any special hardware

 

KvantPhone’s best-practice methodology ensures maximum security for voice and instant message communications on your mobile phone.

 

By using KvantPhone, you can be sure that your calls or messages cannot be compromised, and that what you say or message remains inaccessible to third parties.

 

 

 

 

 

 

 

Built-in quantum resistance
in all features

 

“In light of quantum computing advancements, post-quantum cryptography and quantum resistant secure communication measures are gaining increased importance.”
 
To understand the details of KvantPhone’s post-quantum security, read the Security White Paper.

 

 

 

 

 

Learn more about our features

Fields of application – Industry experties

KvantPhone is designed to cover all your communication needs.
Here is what our customers say about why and how they use KvantPhone.

  Energy trading

“We, and more importantly, our clients have been very pleased with the operational flexibility and convenience offered by KvantPhone’s secure mobile voice communication service, which allowed them to save time and cut costs.”

  Private Banking

“After adopting KvantPhone as part of our everyday communication standard, we noted that our regional managers travelled less to HQ and as a result could spend more time in the field selling and promoting our products.”

  NGO

“KvantPhone provides reliable and effective 24/7 customer support, which means that we can get assistance with the service worldwide any time, should we need it.”

  Law firm

“We have been seeking for years a reliable solution that secures not only our intra-team communications, but also voice communications with our clients.”

 

  Pharmaneutical company

“We are not IT experts, so ease-of-use is very important to us: KvantPhone’s highly user-friendly interface makes the service
simple and easy to use on a regular daily basis.”

  Mergers and Acquisitions

“Transaction confidentiality is a must in our practice. Our top management no longer had to worry about the security of mobile voice calls.”

Review case studies  

Fields of application – Industry experties

KvantPhone is designed to cover all your communication needs.
Here is what our customers say about why and how they use KvantPhone.

  Energy trading

“We, and more importantly, our clients have been very pleased with the operational flexibility and convenience offered by KvantPhone’s secure mobile voice communication service, which allowed them to save time and cut costs.”

  Private Banking

“After adopting KvantPhone as part of our everyday communication standard, we noted that our regional managers travelled less to HQ and as a result could spend more time in the field selling and promoting our products.”

  NGO

“KvantPhone provides reliable and effective 24/7 customer support, which means that we can get assistance with the service worldwide any time, should we need it.”

 

  Law firm

“We have been seeking for years a reliable solution that secures not only our intra-team communications, but also voice communications with our clients.”

  Pharmaneutical company

“We are not IT experts, so ease-of-use is very important to us: KvantPhone’s highly user-friendly interface makes the service simple and easy to use on a regular daily basis.”

  Mergers and Acquisitions

“Transaction confidentiality is a must in our practice. Our top management no longer had to worry about the security of mobile voice calls.”

 

Review case studies  

Why our customers choose KvantPhone

Proven
comprehensive security
Secure admin interface
for user management
Fixed monthly subscription
No up-front investment
Advanced features
for enterprises
No special
hardware required
Conforms to strict
EU privacy laws

Check out KvantPhone’s Business Features 

Why our customers choose KvantPhone

Proven
comprehensive security
Secure admin interface
for user management
Fixed monthly subscription
No up-front investment
Advanced features
for enterprises
No special
hardware required
Conforms to strict
EU privacy laws

Check out KvantPhone’s
Business Features 

Extraordinary balance of security and customer experience

No need for special hardware – maximum security with a software only solution
 Security does not affect usabilty & user experience
 Independetly reviewed  – ongoing verifications
 Comprehensive management features – built for Enterprises

 

We provide a service warranty!

(vs. “As is ” approach)

Extraordinary balance of security and customer experience

No need for special hardware – maximum security with a software only solution
 Security does not affect usabilty & user experience
 Independetly reviewed  – ongoing verifications
 Comprehensive management features – built for Enterprises

 

We provide a service warranty!

(vs. “As is ” approach)

Independently Proven Security

  • KvantPhone is built using best-practice cryptography and security protocols including quantum-resistant methodologies.
  • The system is continuously updated. Independent third parties regularly review our software.
  • Smart system architecture means potential hackers can never eavesdrop, even if they gained access to KvantPhone’s source code. Not even KvantPhone’s developers can access your private data.
Why trust KvantPhone
Our security and values explained.
Learn how KvantPhone protects you.
Security features

Independently Proven Security

  • KvantPhone is built using best-practice cryptography and security protocols including quantum-resistant methodologies.
  • The system is continuously updated. Independent third parties regularly review our software.
  • Smart system architecture means potential hackers can never eavesdrop, even if they gained access to KvantPhone’s source code. Not even KvantPhone’s developers can access your private data.
Why trust KvantPhone
Our security and values explained.
Learn how KvantPhone protects you.
Security features

Ready to make your communication secure?

Guard against eavesdroppers with KvantPhone’s maximally reliable and secure communication service.

Try for free

14 days  with all features

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