SumUp meets the highest security standards for card payments to ensure that your transactions are always secure against unauthorized access by third parties:
PCI-DSS (Payment Card Industry Data Security Standard) is a standard for the transfer and storage of data specified and used by the entire credit card industry.
SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are encryption systems for the secure transmission of data. We use 256-bit encryption, the highest level currently available.
PGP (Pretty Good Privacy) is an international standard for the secure storage of personal data.
Network Security and Technology
The SumUp card terminal forwards all data encrypted. At no time are sensitive, unencrypted data stored on the mobile devices (smartphone, tablet or card reader).
Our team continuously ensures that our network is always up to date. In addition, SumUp is implementing a number of preventive security measures to secure our system and customer data. Our qualified employees and external consultants regularly test our security systems.
To prevent fraud, phishing and identity theft, we monitor all transactions around the clock.
Every transaction is secured with our modern encryption technology.
To prevent fraud, phishing and identity theft, we monitor all transactions around the clock. Every transaction is fully protected by our complex encryption. If something seems strange to you, our security experts identify suspicious activities and help you protect against fraudulent transactions. We never ask for confidential information.