Security and performance comparisons of Ethernet and Wi-Fi

Comparing wired and wireless internet connections reveals distinct trade-offs regarding security and performance. While Ethernet connections are generally more stable and less susceptible to signal interception—such as Man-in-the-Middle attacks—they do not provide absolute protection. If an attacker has already compromised a router or another device on the local network, wired users remain vulnerable to malware, weak passwords, and phishing attacks.

Regarding connectivity issues, Wi-Fi performance is often hindered by physical obstacles or distance from the router. Technical limitations, such as routers restricted to the 2.4 GHz band, can also significantly reduce speeds compared to the 5 GHz band. While using a secondary router in bridge mode can improve performance, users may still encounter speed discrepancies compared to their contracted service levels.