Study on the Wi-Fi security situation in Mexico | Kaspersky official blog
Kaspersky conducted a large-scale study analyzing over 84,500 public Wi-Fi access points in Mexico City, Guadalajara, and Monterrey. The study found that while approximately 82% of networks use secure WPA2/WPA3 protocols, over 10% remain completely unsecured, exposing users to risks such as traffic interception. Additionally, nearly 45% of access points have WPS enabled, a feature known to be vulnerable to attacks, even on networks with WPA2/WPA3 security. The research highlights that WPA2/WPA3 alone does not guarantee safety due to vulnerabilities introduced by WPS. The study also warns about other digital risks for tourists, including fake Wi-Fi networks, malicious QR codes, public USB charger threats, and Bluetooth/NFC attacks. The safest recommendation is to use cellular data or a VPN when connecting to public Wi-Fi. No direct exploit or patch is associated with this study, as it is an observational security assessment of public Wi-Fi infrastructure in Mexico.
AI Analysis
Technical Summary
Kaspersky's Global Research and Analysis Team performed passive reconnaissance of public Wi-Fi networks in three major Mexican cities, logging 84,500 signals and analyzing security configurations. They categorized networks into secure (WPA2/WPA3), unsecured (open/WEP), weak (WPA), and undetermined. Approximately 82% were secured with WPA2/WPA3, but over 10% were open and vulnerable to interception. WPS, a known vulnerable feature, was enabled on about 45% of access points, including many with WPA2/WPA3, reducing overall security. The study also noted that many networks use default or manufacturer SSIDs, which can aid attackers in identifying hardware and potential vulnerabilities. The research did not involve active exploitation or traffic interception but highlights ongoing risks in public Wi-Fi environments in Mexico.
Potential Impact
Users connecting to unsecured public Wi-Fi networks in Mexico risk traffic interception and surveillance. The widespread presence of WPS-enabled access points increases vulnerability to attacks that exploit this feature, even on networks using WPA2/WPA3. The use of default SSIDs and broadcast of hardware identifiers can aid attackers in targeting specific devices or networks. Additional risks include fake Wi-Fi hotspots (evil twins), malicious QR codes, unsafe public USB chargers, and Bluetooth/NFC-based attacks. These factors collectively increase the likelihood of data compromise for users relying on public Wi-Fi in the surveyed cities.
Mitigation Recommendations
No official patch or fix applies as this is a security assessment rather than a software vulnerability. Users are advised to avoid connecting to unsecured public Wi-Fi networks. When public Wi-Fi use is necessary, employ a trusted VPN to encrypt traffic and reduce interception risk. Disable WPS on personal devices and avoid networks with WPS enabled if possible. Prefer cellular data connections or global eSIMs for internet access while traveling. Avoid using public USB chargers, scanning unknown QR codes, and keep Bluetooth and NFC disabled in crowded places. Follow recommended digital hygiene practices to minimize exposure to Wi-Fi-related threats.
Affected Countries
Mexico
Study on the Wi-Fi security situation in Mexico | Kaspersky official blog
Description
Kaspersky conducted a large-scale study analyzing over 84,500 public Wi-Fi access points in Mexico City, Guadalajara, and Monterrey. The study found that while approximately 82% of networks use secure WPA2/WPA3 protocols, over 10% remain completely unsecured, exposing users to risks such as traffic interception. Additionally, nearly 45% of access points have WPS enabled, a feature known to be vulnerable to attacks, even on networks with WPA2/WPA3 security. The research highlights that WPA2/WPA3 alone does not guarantee safety due to vulnerabilities introduced by WPS. The study also warns about other digital risks for tourists, including fake Wi-Fi networks, malicious QR codes, public USB charger threats, and Bluetooth/NFC attacks. The safest recommendation is to use cellular data or a VPN when connecting to public Wi-Fi. No direct exploit or patch is associated with this study, as it is an observational security assessment of public Wi-Fi infrastructure in Mexico.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Kaspersky's Global Research and Analysis Team performed passive reconnaissance of public Wi-Fi networks in three major Mexican cities, logging 84,500 signals and analyzing security configurations. They categorized networks into secure (WPA2/WPA3), unsecured (open/WEP), weak (WPA), and undetermined. Approximately 82% were secured with WPA2/WPA3, but over 10% were open and vulnerable to interception. WPS, a known vulnerable feature, was enabled on about 45% of access points, including many with WPA2/WPA3, reducing overall security. The study also noted that many networks use default or manufacturer SSIDs, which can aid attackers in identifying hardware and potential vulnerabilities. The research did not involve active exploitation or traffic interception but highlights ongoing risks in public Wi-Fi environments in Mexico.
Potential Impact
Users connecting to unsecured public Wi-Fi networks in Mexico risk traffic interception and surveillance. The widespread presence of WPS-enabled access points increases vulnerability to attacks that exploit this feature, even on networks using WPA2/WPA3. The use of default SSIDs and broadcast of hardware identifiers can aid attackers in targeting specific devices or networks. Additional risks include fake Wi-Fi hotspots (evil twins), malicious QR codes, unsafe public USB chargers, and Bluetooth/NFC-based attacks. These factors collectively increase the likelihood of data compromise for users relying on public Wi-Fi in the surveyed cities.
Mitigation Recommendations
No official patch or fix applies as this is a security assessment rather than a software vulnerability. Users are advised to avoid connecting to unsecured public Wi-Fi networks. When public Wi-Fi use is necessary, employ a trusted VPN to encrypt traffic and reduce interception risk. Disable WPS on personal devices and avoid networks with WPS enabled if possible. Prefer cellular data connections or global eSIMs for internet access while traveling. Avoid using public USB chargers, scanning unknown QR codes, and keep Bluetooth and NFC disabled in crowded places. Follow recommended digital hygiene practices to minimize exposure to Wi-Fi-related threats.
Affected Countries
Technical Details
- Article Source
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Threat ID: 6a1ec7bee29bf47b50c7c3d5
Added to database: 6/2/2026, 12:08:30 PM
Last enriched: 6/2/2026, 12:08:40 PM
Last updated: 6/2/2026, 2:20:12 PM
Views: 7
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