Cyber Threats and KSeF – Are Polish Businesses Ready for the Digital Leap?

The rollout of the National e-Invoicing System (KSeF) is one of the most critical milestones in the digital transformation of Polish businesses. Electronic invoicing is intended to streamline accounting processes and enhance transactional transparency. However, it also raises serious concerns about data security. With cyber threats on the rise, companies must ensure their systems are properly secured to mitigate the risk of data breaches or unauthorised access to sensitive financial information.

KSeF in the Spotlight Amid Growing Cyber Risks

KSeF centralises invoice data within a cloud environment managed by the tax authority—prompting justified concerns over the protection of sensitive corporate information. Companies are questioning whether the system is sufficiently resilient against cyberattacks and, crucially, who exactly will have access to their data. The list of institutions with privileged access to KSeF is notably long, a point of concern given the growing number of attacks targeting public and private sector entities alike.

Secure Integration with KSeF Is a Business-Critical Responsibility

While businesses cannot directly influence the security of government infrastructure, they are fully accountable for the resilience and continuity of their own systems. A lack of robust safeguards or effective access controls can lead to serious consequences.

A breach involving sensitive financial data can result in financial loss, the exposure of trade secrets, and a breakdown of trust with clients and partners. Within KSeF, users can be authorised to access data from multiple organisations—for instance, accounting firms may hold credentials for hundreds or even thousands of client accounts. A single compromised login can therefore result in the loss of control not only over a company’s own data, but also that of its entire client base. This makes it all the more critical to implement proper security mechanisms.

Taking a Strategic Approach to Data Security

Experts highlight several key measures that can significantly strengthen cybersecurity. Implementing advanced encryption and access authorisation protocols is essential for protecting sensitive data. Regular security testing and vulnerability monitoring allow threats to be identified and addressed proactively. Meanwhile, employee awareness and training remain vital, as human error continues to be a major factor in security breaches. Collaborating with experienced technology partners can also offer critical support in securing IT environments.

– Data integrity and security are the backbone of any successful automation of accounting and fiscal processes. – says Michał Tomaszewski, Head of the Security Team at Exorigo-Upos. – In today’s fast-paced digital world, it’s not just about implementing KSeF—it’s about ensuring your financial data is fully protected. Companies must invest in comprehensive security frameworks that include advanced encryption, granular access control, and active cyber threat monitoring.

– Proper IT system integration and regulatory compliance are not just security issues—they are essential to business continuity. That’s why it makes sense to invest in technologies that not only simplify e-invoicing but also give companies greater control over their data, freeing them to focus on growth. – he adds.

KSeF is a decisive step towards the digitisation and automation of accounting in Poland, but it brings with it a new set of challenges—especially in the area of cybersecurity. Businesses should act now to secure their systems and prepare for this new reality of e-invoicing. Adapting to modern data protection standards is no longer optional—it’s a strategic necessity for any forward-looking organisation.

The countdown to mandatory e-invoicing is on. If you’re unsure whether your business is truly ready for the regulatory and technical challenges ahead, don’t wait—start your KSeF readiness journey with our experts.

Our solution portfolio includes SmartKSeF—a secure, cloud-based tool. It enables effortless integration with KSeF and smooth handling of e-invoices.

Curious how leading companies are getting ready for KSeF?

• Auchan is implementing SmartKSeF for seamless communication with the system.
• Empik is advancing its digital transformation with e-invoicing at the core.
• The EFL Group appreciates the flexibility of SmartKSeF.

Time is running out—use it wisely. Let’s talk about how we can support your business.