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11 April 2017

 

NOTIFICATION

Beware of fraudulent voice calls.

Recently some syndicates overseas have been defrauding mobile phone users using "missed called" method. How it works :

  1. The overseas fraudster calls the victim (mobile phone user) from a Premium Rate Service number.
  2. Fraudster hangup immediately after 1 or 2 rings.
  3. Victim's phone registers a "missed call".
  4. Victim thinks it is a legitimate call & then makes a return call. Victim is charged for the premium IDD call.
  5. Fraudster earns revenue from the premium call.


Things to take note if you encounter such calls :

  • Avoid calling back on an international missed call if you are not expecting such calls
  • Immediately disconnect in case you call back on international premium rate number
  • Do not share personal details


Below is a list (non-exhaustive) of prefixes that are known to be fraudulent:-

IDD Prefix Country
776 25310 XXXX Kazakhstan
795 829 75XX Russia
56 65197 XXXX Chile
216 9198 XXXX Tunisia
216 9110 XXXX Tunisia
216 9113 XXXX Tunisia
216 9114 XXXX Tunisia
216 9115 XXXX Tunisia
216 9119 XXXX Tunisia
216 9108 XXXX Tunisia
216 9050 XXXX Tunisia
216 9106 XXXX Tunisia
216 9108 XXXX Tunisia
216 9519 XXXX Tunisia
685 604 XXXX Western Samoa
685 606 XXXX Western Samoa
248 265 XXXX Seychelles
216 9809 XXXX Tunisia
960 101 XXXX Maldives
960 100 XXXX Maldives
960 165 XXXX Maldives
960 971 XXXX Maldives
960 962 XXXX Maldives
960 779 XXXX Maldives
960 993 XXXX Maldives
960 333 XXXX Maldives
960 792 XXXX Maldives
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