Totally secure communication
for your peace of mind
Post-quantum
ready
End-to-end
encrypted
Zero
knowledge
European Team
and Technology
Post-quantum
ready
Zero
knowledge
End-to-end
encrypted
European Team
and Technology
KvantPhone is an easy-to-use, quantum resistant secure communication service
designed for government organizations and businesses offering the followings:
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Totally secure calls and messages   
Secure conference calling   
Best practice cryptography 
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 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 government organizations and businesses offering the followings:
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 government organizations and businesses offering the followings:
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:
Surveillance
by hostile governments
Criminal
eavesdropping
Industrial
espionage
We created KvantPhone to secure and protect your communications.
It’s time to get back your privacy.
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.
Fields of application – Industry experties
KvantPhone is designed to cover all your communication needs.
Here are some use cases why and how our customers use KvantPhone
 Government Organizations
“By adopting KvantPhone’s secure government-grade communication system, our teams can coordinate sensitive projects with full confidence. KvantPhone enables us to maintain confidential discussions even in high-pressure situations. Its mission-critical, encrypted communication channels ensure that decision-makers stay connected at all times, without compromising compliance or security”
 Military Organizations
“KvantPhone provides a secure, dependable communication layer that our command staff can trust. KvantPhone’s defence-grade call protection and resilient performance in low-bandwidth environments have proven critical during complex operations. The platform’s hardened architecture and end-to-end encrypted voice calls ensure operational integrity across all mission types.”
 Law Enforcement Agencies
“In our investigative work, confidentiality is not optional. Whether working in the field or from headquarters, our officers need a trusted communication system. KvantPhone’s secure mobile communication tools allow our teams to coordinate efficiently while preserving the secrecy and integrity of ongoing operations. KvantPhone’s encrypted, tamper-resistant voice calls give us the assurance that sensitive information stays protected throughout every mission.”
 Law firm
“Confidentiality and discretion are among our primary criteria for providing professional legal services to our international blue-chip clientele. All our assignments entail dealing with sensitive information, inadequate safekeeping of which could seriously harm the interests of our clients. We have been seeking for years a reliable solution that secures not only our intra-team communications, but also voice communications with our clients.”
 Energy trading
“Our activity in the energy sector attracts a lot of unsolicited attention from competitors. A trade or contract for us can involve tens of millions of dollars. 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.”
 NGO
“For us it is crucial that we have secure communication channels not only with our offices worldwide, but also with our clients. 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. In addition, our legal department validated KvantPhone from a regulatory point of view and we are able to use the KvantPhone service in most of our offices worldwide.”
Fields of application – Industry experties
KvantPhone is designed to cover all your communication needs.
Here are some use cases why and how our customers use KvantPhone
 Government Organizations
“By adopting KvantPhone’s secure government-grade communication system, our teams can coordinate sensitive projects with full confidence. KvantPhone enables us to maintain confidential discussions even in high-pressure situations. Its mission-critical, encrypted communication channels ensure that decision-makers stay connected at all times, without compromising compliance or security”
 Military Organizations
“KvantPhone provides a secure, dependable communication layer that our command staff can trust. KvantPhone’s defence-grade call protection and resilient performance in low-bandwidth environments have proven critical during complex operations. The platform’s hardened architecture and end-to-end encrypted voice calls ensure operational integrity across all mission types.”
 Law Enforcement Agencies
“In our investigative work, confidentiality is not optional. Whether working in the field or from headquarters, our officers need a trusted communication system. KvantPhone’s secure mobile communication tools allow our teams to coordinate efficiently while preserving the secrecy and integrity of ongoing operations. KvantPhone’s encrypted, tamper-resistant voice calls give us the assurance that sensitive information stays protected throughout every mission.”
 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.”
 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.”
 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.”
Why our customers choose KvantPhone
Proven
comprehensive security
Secure admin interface
for user management
Fixed monthly subscription
No up-front investment
Advanced features
for large organizations
No special
hardware required
European technology
and developer team
Why our customers choose KvantPhone
Proven
comprehensive security
Secure admin interface
for user management
Fixed monthly subscription
No up-front investment
Advanced features
for large organizations
No special
hardware required
European technology
and developer team
Extraordinary balance of security and customer experience
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No need for special hardware
Security does not affect usability & user experience
Independently reviewed – ongoing verifications
Comprehensive management features
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We provide a service warranty!
(vs. “As is ” approach)
Extraordinary balance of security and customer experience
No need for special hardware
Security does not affect usability & user experience
Independently reviewed – ongoing verifications
Comprehensive management features
Â
We provide a service warranty!
(vs. “As is ” approach)
Extraordinary balance of security and customer experience
Â
  No need for special hardware
  Security does not affect usability & user experience
  Independently reviewed – ongoing verifications
  Comprehensive management features
Â
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.
Our security and values explained.
Learn how KvantPhone protects you.
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.
Our security and values explained.
Learn how KvantPhone protects you.
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.
Our security and values explained.
Learn how KvantPhone protects you.
Ready to make your communication secure?
Guard against eavesdroppers with KvantPhone’s maximally reliable and secure communication service.
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Get a free consultation
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