# Hotel Wi-Fi DNS Hijacked to Steal Microsoft 365 Accounts A new threat in cybersecurity: Hotel Wi-Fi networks targeted. - **Source:** [cybersecurity](https://brifing.si/source/57fea5eb-f11e-4b81-bc15-114313a8bd59) - **Published:** 2026-07-24 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/91fabe28-1ec3-4b74-acbb-3b59220d429e ## Introduction Recently, hackers targeted hotel Wi-Fi networks by hijacking DNS settings. This attack was used to steal users' Microsoft 365 accounts. Such attacks are emerging as a new threat in cybersecurity. ## Attack Method Hackers changed the DNS settings of users connected to hotel Wi-Fi networks, redirecting traffic to their own servers. This allowed them to access users' Microsoft 365 accounts and steal sensitive information. ## Affected Users This attack particularly affected business travelers. Those who work by connecting to hotel Wi-Fi networks could suffer significant damage before realizing their account information was stolen. ## Security Measures Experts recommend using VPNs to protect against such attacks. Additionally, checking DNS settings when connecting to hotel Wi-Fi networks and reporting suspicious activities are important steps. ## Role of Companies Large companies like Microsoft should inform their users about such attacks and offer additional security measures. This could be a critical step in protecting users' account information. ## Conclusion and Importance This attack is emerging as a new threat in cybersecurity. User awareness and companies' increased security measures can play a significant role in preventing such attacks. ## Sources covering this story - https://www.reddit.com/r/cybersecurity/comments/1v5j72h/hackers_hijack_hotel_wifi_dns_to_steal_microsoft/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._