Last updated on October 24, 2025
No, it is not allowed. In Finland, accessing someone’s Wi-Fi network without permission is considered unauthorized use of a communications service and may be punishable under criminal law.
Borrowing Bandwidth: A Legal Line You Shouldn’t Cross
It might seem harmless—your internet is down, and your neighbor’s Wi-Fi signal is strong and unsecured. Just a quick check of your email, right? Not in Finland. Here, the digital world is governed by clear boundaries, and hopping onto someone else’s network without permission is more than just impolite—it’s illegal.
Finland takes cybersecurity seriously. The country ranks among the most digitally advanced in Europe, and with that comes a robust legal framework to protect digital infrastructure and privacy. Unauthorized access to a Wi-Fi network falls under the umbrella of communications crimes, and it’s treated with the same gravity as tampering with physical property.
The Law Behind the Signal
The Act on Electronic Communications Services (917/2014) outlines the legal responsibilities and protections surrounding digital communications. It states that accessing a communications service without authorization—whether it’s a private Wi-Fi network or a commercial system—is prohibited. This includes intercepting, using, or manipulating data transmitted over such networks.
Additionally, the Criminal Code of Finland includes provisions against unauthorized use of information systems. If you knowingly connect to a neighbor’s Wi-Fi without their consent, you could be charged with a communications offense, which may result in fines or even imprisonment depending on the severity and intent.
Cybersecurity Culture in Finland
Finns are known for their respect for privacy and personal boundaries, and that extends to the digital realm. The country’s Cybersecurity Act (124/2025) reinforces this ethos by implementing EU-wide standards for protecting networks and information systems. It emphasizes the importance of secure access, data integrity, and responsible use of digital services.
Public awareness campaigns and educational programs further promote ethical internet behavior. From schools to workplaces, digital citizenship is taught as a core value—one that includes respecting others’ networks and data.
What If the Network Is Unsecured?
Even if your neighbor’s Wi-Fi is open and unprotected, that doesn’t make it fair game. Finnish law doesn’t distinguish between secured and unsecured networks when it comes to unauthorized access. The key factor is consent. Without it, you’re crossing a legal line.
If you’re in need of internet access, public Wi-Fi hotspots are widely available across Finland—in libraries, cafes, transport hubs, and municipal buildings. These are safe, legal alternatives designed for public use.
See more on Finland
Sources
Act on Electronic Communications Services | 917/2014
https://finlex.fi/en/legislation/translations/2014/eng/917
2023-01-26
Cybersäkerhetslag | 124/2025 | Statute Book of Finland
https://finlex.fi/en/legislation/collection/2025/124
2025-04-07