Smishing: what is it and how does it function as bait

By: Anasp9

Smishing, short for SMS phishing, is a variation of a phishing assault that uses SMS messages to trap their targets. This type of phishing efforts involves short messaging service with a critical tone. Or hustling recipient to take the desired action involving confidential data. Or might be downloading malware which compromises their online privacy.

Recently, smishing attack, hackers used common applications downloadable from different app stores for smishing program. They used an exploit known as write-SMS on Android to spread the attack. But Google corrected it with an update for its mobile OS.

Security analysts know about Smishing for a long time now. But recently, it comes into notice since the number of incidents are increasing globally.

Additionally, the exponential growth in the usage of smartphones enable cyber-thieves to carry out these smishing assaults. This massive use of smartphones also put sensitive data at risk. like for e.g. credit card numbers, banking info, business information and etc.

Smishing: how does the attack work

A smishing message uses a refined social design strategy that leads to activate particular psychological mechanisms. It involves a victim’s phone and creating a sense of urgency to take the desired action. In this way, hackers get the opportunity to steal personal data.

Another step involved in smishing is the use of voice-mail that welcomes the prospect to give private data. For example, the password to access a bank account or retrieve credit card number. This is done by the noxious link sent through short messaging services. Which takes the victim to a site that looks similar to any popular business, telecom, and credit or protection foundation. The attackers carry this out by getting the victims to fill out an online form.

The first major instance of organized smishing campaign dates back to March 9, 2012. A German organization REWE Group, which works in the vast retail and the travel segments, reported compromise of business data. company’s spokesperson denounced that the attack was made through gift cards and was worth $ 1,000.

Android Smishing via backdoors installation in smartphones

The McAfee Mobile Research group has found another smishing incident. They found their clients are hooked to by downloading a counterfeit voice messaging application called TimpDoor. This time the methods of smishing is more refined and concealed.

Initially, the victim gets an SMS containing app download link, which takes them to a web page, designed to download this malicious program. When the application has been downloaded, the malware starts to take all form of personal data from your smart device. It includes device ID, model, display, all form of personal information, and IP address.

Moreover, TimpDoor introduces a secondary passage via device that enables them to get access of home networks. In the last six months, these backdoor scripts managed to exploit over 500 users in the US alone. Moreover the number of reported incidents is rising significantly across the continents.

Dangerous Phishing variants of Smishing and Vishing

Like smishing, another phishing variant known as vishing (abbreviation of voice phishing) is also spreading rapidly. This attack performs by an AI-powered voice operator, sending users through bank’s fake contact address.

The aim is similar to phishing. The voice call makes a scenario of urgency in the victim’s mind who consequently takes the action.  In a vishing attempt, hackers misuse the available information in such a manner that potential exploited people will in general place more trust in an actual human asking for private data.

How to protect yourself and Business against Smishing

A large number of methods are used to carry out phishing, smishing (and vishing) attacks in a harmless manner. The good news is that these attackers are unable to harm you unless you take the bait. By following these simple tips, anyone can avoid such attacks:

  • Remember that malicious messages usually come from phone numbers in a strange or unexpected format. Clearly, in these cases, do not rush to respond to the number or link indicated in the SMS to any discount.
  • In the event that you accidentally. Or by negligence should make a call to the number demonstrated, never  give any data to the automated voice system.
  • Pay close attention to the numbers you are receiving calls from. If the number looks suspicious then there are chances of scam artist hiding behind such calls.
  • Make sure not to open attachments in messages from unknown senders. The same rule that also applies to phishing emails.
  • Try not to install applications that originate from unknown sources. In the event that you get an SMS with the demand to download something on your device make sure it leads to Official Web Store. If you find any grammar or spell mistakes it also indicates you are standing at the wrong end.
  • Never Store your personal banking information or card details on your smartphone.


Conclusively, it’s essential to stay informed and updated with all the necessary security awareness. For enterprises, it is important to invest in security mechanisms that help to add layers of protection. This helps to recognize and battle against malicious instances in real time and report them to authorities.

Smishing attempts only work by the cooperation of victims who are lured by trick masters to give up their personal information. All you need to do is being vigilant and do not respond to such attempts as a mere text in not capable to harm your security.


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