The secIT in Hannover, organized by Heise Medien GmbH & Co. KG, is an annual highlight in the field of IT security. Since its inception in 2018, it has established itself as a central hub for experts in the IT security industry. Abbreviated as "secIT," which stands for "Security Information Technology," the event offers an important platform for exchanging information about security solutions, data protection, cybersecurity, and related topics. The goal is to bring the latest trends, technologies, and challenges closer to professionals in the IT sector. The fair addresses current and relevant topics such as the General Data Protection Regulation (GDPR), the Internet of Things (IoT), Industry 4.0, and many other aspects of IT security. Thanks to this thematic diversity, secIT appeals to a wide professional audience, including IT security officers, administrators, data protection officers, as well as decision-makers. A distinctive feature of secIT is the direct exchange between experts and participants, facilitated by various formats such as lectures, workshops, and expert talks. This interaction allows participants to gain comprehensive insights into the latest developments and solutions in the field of IT security. Additionally, the exhibition area provides an opportunity to learn about current products and services and to establish contacts with companies and service providers. The Hannover Congress Centrum (HCC), with its central location and modern facilities, serves as an ideal venue. It offers optimal conditions for the efficient organization of various event formats and creates a pleasant atmosphere for exchange and networking. In summary, secIT in Hannover is a premier event for professionals and those interested in the field of IT security. It offers a unique opportunity for knowledge exchange, networking, and the presentation of innovations. With a combination of expert lectures, interactive workshops, and an extensive exhibition, secIT makes a significant contribution to the future of IT security. The secIT takes place annually, and therefore for the fourth time previsibly in March 2026 in Hanover.