The Schengen Information System (SIS) is the primary large-scale IT database managed by the European Commission for security and border management in Europe. It enables 31 participating countries to share and manage critical data on individuals and entities to ensure national security, efficient border control, and robust law enforcement.
Evolution and Membership
The SIS was originally designed to compensate for the removal of internal border controls within the Schengen Area, which began on March 25, 2001. Over the years, the system has undergone significant technological upgrades:
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SIS II: Launched on April 9, 2013, to enhance data processing.
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The Upgraded SIS: Operational since March 7, 2023, introducing new alert categories and enhanced biometric capabilities.
Who uses it? The system is shared among EU Member States and EFTA countries (Iceland, Liechtenstein, Norway, and Switzerland). Notably, the United Kingdom ceased to have access on December 31, 2020, following its withdrawal from the EU.
How the System Works
The SIS operates on a principle of real-time synchronization. Member states are legally required to ensure that their national databases are permanently connected to the central system. When a competent authority in one country enters an alert, that information becomes instantaneously visible to authorities across all other participating states.
Biometric Data and Identification
Since March 2023, the system’s capacity for identification has expanded. It now utilizes an Automated Fingerprint Identification System (AFIS) to process:
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Photographs and palm prints.
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Fingerprints and finger/palm latents (traces left at crime scenes).
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DNA profiles, though these are strictly reserved for identifying missing persons.
Key Functions: Protection and Migration Control
The system serves several vital roles in public safety and migration management:
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Counter-Terrorism: Increased data sharing allows authorities to track and prevent serious crimes and terrorist activities more effectively.
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Vulnerable Persons: Beyond finding missing persons, the system now allows for preventive alerts. These are used to protect individuals at risk, such as children threatened by abduction or victims of human trafficking and gender-based violence.
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Migration Management: The SIS tracks irregular migration by including "return decisions." It is mandatory for states to enter alerts for individuals who are refused entry or stay in the EU, ensuring that entry bans are enforced across all borders.
Your Rights as a Data Subject
Transparency and privacy are core to the SIS framework. Every individual has the right to:
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Access: Request information about what data is stored regarding them.
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Correction & Deletion: Have inaccurate data rectified or unlawfully stored information removed.
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Information: Be notified if they are the subject of a return or refusal-of-entry alert.
If these rights are violated, individuals have the legal standing to bring cases before national courts to seek compensation for damages or to enforce data correction.
Governance and Contact
The system’s operation is governed by EU Regulations 2018/1860, 2018/1861, and 2018/1862, which cover returns, border checks, and police cooperation. In each country, a SIRENE Bureau acts as the central point for coordinating information.
For more information: Visit the official European Commission portal at home-affairs.ec.europa.eu.
eu-LISA: Powering Digital Security in Europe
The is a cornerstone of the EU’s digital infrastructure. Its mission is to support Member States’ efforts in digitalizing , utilizing technology to ensure a safer and more secure Europe.
Driving Freedom and Security through Technology
Since becoming operational on , eu-LISA has been responsible for managing the large-scale IT systems that make EU policies on asylum, border management, and migration possible.
The Agency plays a vital role in:
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Facilitating Free Movement: Enabling over 400 million people to exercise their right to move freely across borders.
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Enhancing Internal Security: Adapting to a constantly evolving security landscape to protect European citizens.
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Supporting Justice: Providing the digital tools necessary for cross-border judicial cooperation.
Legal Foundation and Evolution
The Agency was established under , following a proposal by the European Commission. It operates as a regulatory agency with its own legal personality, granted the highest level of legal capacity within each EU Member State.
To meet modern challenges, the Agency’s mandate was significantly expanded under . This updated framework empowers eu-LISA to take on broader responsibilities in the technical development and management of critical EU systems.
Discover More
The work of eu-LISA is essential for the seamless functioning of the Schengen Area and the protection of our shared values.
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Official Website: eulisa.europa.eu
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Contact us: For further inquiries regarding the Agency’s role and operations.
EES (Entry/Exit System)
The Entry/Exit System (EES) is an automated information system established pursuant to Regulation (EU) 2017/2226 of the European Parliament and of the Council of 30 November 2017. It is designed to replace the manual stamping of passports for non-EU citizens traveling for short-term stays. The system will electronically record the time and place of every entry and exit across the external borders of 29 European nations. This transition aims to expedite border crossings and enhance reliability while simultaneously bolstering security throughout the Schengen Area. Upon each entry or departure at these external borders, a traveler’s travel document, facial image, and four fingerprints will be registered electronically.
The EES is expected to facilitate more effective border management, strengthen internal security within the Schengen Area, and assist in the prevention of identity fraud and visa overstays.
Governance and Technical Oversight
The central infrastructure of the system was developed and is managed by eu-LISA—the European Union Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security, and Justice. While eu-LISA ensures the continuous functionality and accessibility of the central system, individual Member States remain responsible for its implementation and operational use at the national level.
Implementation Timeline and Transition
Starting from October 12, 2025, the rollout of the Entry/Exit System (EES) will be non-uniform across the participating states. Certain countries will implement the system at all border crossing points immediately, whereas others will adopt a phased approach across airports, seaports, and land borders.
During this six-month transitional period, travelers may encounter varying procedures depending on their point of entry into the Schengen Area; specifically, biometric data collection may or may not be required at certain locations. Throughout this phase, passports will continue to be stamped manually as per current protocols. As of April 10, 2026, the EES will be fully operational across all border crossing points, and the manual stamping of passports will be entirely superseded by electronic records.
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For further information, please do not hesitate to contact us or visit the official website: eu-LISA EES
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