Douglasdale Community Policing Forum warns residents of rising SIM swap fraud cases
The police forum has urged residents to stay alert following a Gauteng-wide warning on a growing SIM swap fraud pattern that peaks on Fridays, when delayed network support can give criminals more time to take over mobile numbers.
A warning issued by the Gauteng provincial community police board about an emerging SIM swap fraud pattern, affecting mobile users, has resulted in the Douglasdale Community Policing Forum (CPF) urging residents to remain vigilant.
According to Freda Boiles, the CPF’s public relations officer, the forum shared the alert on its social media platforms and was subsequently flooded with responses from community members reporting similar incidents and suspected victimisation.
The provincial board has warned that these fraudulent activities tend to spike on Fridays, when call centres, bank branches, and customer support services begin closing for the weekend, delaying urgent intervention.
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“Fridays are considered especially high risk because any reversal of an unauthorised SIM swap may take longer over a weekend than during normal weekdays, giving fraudsters a wider window to exploit the compromised number.”
The board said that part of the suspected modus operandi includes unauthorised SMS roaming or SMS redirection activity occurring before or during the SIM swap process. In such cases, victims may suddenly lose the ability to make or receive calls, while criminals may still receive SMS-based one-time pins (OTPs) on the compromised number or replacement SIM.
Residents are urged to treat any sudden loss of mobile signal as an emergency, particularly in cases where a phone still appears to be connected to Wi-Fi. This can create a false sense of normality while mobile services have already been compromised.
“Residents are also encouraged to share the warning widely, especially with elderly family members who may be more vulnerable to such scams.” Boiles added that the CPF is working in partnership with the South African Police Service and remains committed to improving community safety.
Why this matters
In SIM swap fraud cases, criminals attempt to take control of a victim’s mobile number by transferring it to a new SIM card. Once successful, they can intercept OTPs and gain access to sensitive accounts, including banking profiles, email accounts, and messaging platforms, such as WhatsApp.
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Warning signs to watch for
• Sudden loss of mobile signal or network bars,
• Inability to make or receive calls or SMSs,
• Unexpected OTP or verification notifications,
• Prompts to re-register apps such as WhatsApp, and
• Working Wi-Fi connection but no mobile network service.
What residents should do immediately
• Contact your mobile network provider urgently using another phone if possible.
• Visit the nearest service branch or outlet without delay.
• Request confirmation of any SIM swap, call forwarding, SMS routing, or related changes on your number.
• Enable two-step verification or two-factor authentication on WhatsApp and other key applications.
• Do not ignore unexpected WhatsApp verification prompts.
• Immediately update passwords for email and other critical accounts.
• Inform your bank if your mobile number is linked to banking authentication services.
The police forum said early action is critical in preventing financial loss and account takeover.
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