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What is SMS Spoofing?

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  • Written By: Mary McMahon
  • Edited By: Kristen Osborne
  • Last Modified Date: 15 November 2016
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    Conjecture Corporation
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SMS spoofing is an activity where people change the originating information on a text sent via the short message service (SMS) system used with cell phones, personal digital assistants, and similar devices. There are entirely legitimate reasons to spoof text messages, as well as less legitimate ones and the legality of this practice varies worldwide. Some nations have banned it due to concerns about the potential for fraud and abuse, while others may allow it. Individual carriers may also restrict SMS spoofing even if it is legal in a given nation.

When an SMS message is spoofed, the sender name, phone number, or both are changed. A common use of spoofing can be seen with companies that send text messages to their customers. Instead of having incoming texts display an unknown number, they might say “Company Name,” alerting customers to the identity of the sender. Likewise, a company might display a public phone number on texts to conceal the originating number so that people do not mistakenly respond to an internal or private number.

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People may spoof as a prank, or use spoofing services for anonymity if they want to send texts and do not want to be identified. The reasons for this may not necessarily be malicious. Whistleblowers and tipsters may choose to anonymize themselves for safety, as might people texting to online services who want to conceal their identities or locations. This same anonymity can be used for less ethical reasons, such as harassing people with text messages that may contain abusive or annoying content.

SMS spoofing can be used for fraudulent purposes. A con artist may pretend to be someone else through the use of spoofed texts, attempting to elicit information from the target of the con. SMS spoofing tactics can include sending messages purporting to be from banks or other companies directing people to call a particular phone number or visit a link to resolve an account problem, requesting confidential information via text, or sending messages claiming to be from friends in trouble.

People can protect themselves from SMS spoofing by using carriers that do not allow it and viewing incoming texts with caution. If a message requesting contact is received, rather than using the number or website in the text, customers should use the official contact information printed on statements and other records. People who are being harassed by individuals sending spoofed texts can report it to their carriers and the police.

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Discuss this Article

anon355136
Post 4

There is a good reason, like when you are trying to see if the man you love will leave you for the woman he can't get over.

SarahGrove
Post 2

I have even seen free SMS spoofing software on the Internet and I think that it is outrageous. I don't think there should be any reason for spoof texting.

No cell phone company should allow it. Why should anyone or any company be allowed to send an anonymous SMS?

BreeZee22
Post 1

Things like this are why I rarely give out my cell phone number even though I have unlimited services. Spoof texting is so annoying.

My friend has to make his cell phone number readily available because he uses it for business and has received some spoof texting pretending it was from his bank.

Thank goodness he recognized it as a spoof and he didn’t give out any personal information.

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