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Public WiFi Warning Issued for All iPhone and Android Users
The cybersecurity experts at Zimperium have issued a stark warning to all iPhone and Android users: beware the dangers of public Wi-Fi. It’s not just that government advice is divided on this subject, but rather the reality of over 5 million unsecured global Wi-Fi networks found since the start of 2025. The risk multiplies when traveling.
Zimperium highlights the vulnerability of employees who may be using corporate email and other IT systems while away from work, stating that these risks are “rich hunting grounds for attackers.” It’s not just about airports, hotels, ride-share hubs, and cafes that offer a treasure trove of opportunities for hackers. The researchers emphasize that even as users connect on the go, they must be vigilant.
In particular, Zimperium warns of four types of attacks that users should beware: Man-in-the-Middle Attacks, which can intercept data, inject malware, or steal credentials; Sideloaded apps targeting travelers with “language tools, transportation apps, or entertainment” designed to trick users into entering credentials or downloading malware; captive portals that request email addresses, phone numbers, or even social logins, enabling attackers to harvest personal or corporate data and use it for future phishing attacks; and attacks especially prevalent overseas but also seen in major U.S. cities like Los Angeles, New York, Portland, Miami, Seattle.
To avoid falling prey to these dangers, Zimperium advises following five golden rules: disable auto-connection on your phone for public or unknown WiFi networks; do not download any software or provide any data other than an email address into a captive portal that gate-keeps your access to a WiFi network; ensure all website connections are encrypted by checking for the padlock and avoiding sign-in information in unexpected pop-ups; check the WiFi network identifier carefully before joining, ensuring it’s official; and only use reputable, paid VPNs from bluechip developers.
Zimperium emphasizes that installing apps outside official stores and keeping your OS up-to-date with the latest security patches are crucial.
Source: www.forbes.com
