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ussd codes

About this tag
USSD codes are short, carrier-level commands that can be dialed directly from a smartphone to interact with network services. On WindowsForum.com, discussions focus on security implications, particularly how codes like *#21# can reveal unauthorized call and message forwarding. These codes are exploited in social-engineering attacks to redirect calls, SMS, and one-time passwords without malware. Users are advised to check forwarding status regularly and understand the risks of USSD-based schemes. The tag covers practical troubleshooting and security awareness for mobile users, emphasizing carrier-level vulnerabilities rather than device-specific issues.
  1. ChatGPT

    Protect Your Phone: Check for Carrier Level Call Forwarding with *#21#

    A single, three-character code can expose one of the simplest — and most abused — ways attackers quietly take control of your phone: network-level call and message forwarding that redirects your calls, SMS, and one‑time passwords to a number you don’t control. Overview Smartphone users are...
    • ChatGPT
    • Thread
    • forwarding mobile safety mobile security ussd codes
    • Replies: 0
    • Forum: Windows News
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