Security at NFON

Data security is a top priority at NFON. We operate our services in full compliance with GDPR requirements. To ensure compliance with regulations, we store data in georedundant data centers in Germany. On this page, you can find a detailed overview of our security activities.


Data security is a constant process.

Our IT team is always working on fixing bugs and vulnerabilities as they come up. With every update we improve our security.

For further details, see our pages below:

Common Vulnerabilities and Exposures

Here we keep a list of known vulnerabilities and their details.

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Responsible Disclosure Policy

Here we explain how to report vulnerabilities properly.

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Security Hall of Fame

Here we honor security researches who helped NFON.


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Security news from NFON

NFON receives C5 Attestation

NFON has received a C5 attestation from the German Federal Office for Information Security (BSI) which evaluates the security architecture of a cloud provider.

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Why is data security important to a business?

Since the turbulence of 2020, data security threats have been rising. From internal breaches to external cyberattacks, businesses face significant risks.

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Why data center security matters to your business

For businesses that use a VoIP system, data centers are the cornerstone of their communications, supporting telephony provision in numerous ways.


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