WhatsApp Image Scam Uses Steganography to Steal User Data and Money

With over three billion users globally, including around 500 million in India, WhatsApp has become one of the most widely used communication platforms. While this immense popularity makes it convenient for users to stay connected, it also provides fertile ground for cybercriminals to launch increasingly sophisticated scams. 

A recent alarming trend involves the use of steganography—a technique for hiding malicious code inside images—enabling attackers to compromise user devices and steal sensitive data.

A case from Jabalpur, Madhya Pradesh, brought this threat into the spotlight. A 28-year-old man reportedly lost close to ₹2 lakh after downloading a seemingly harmless image received via WhatsApp. The image, however, was embedded with malware that secretly installed itself on his phone. 

This new approach is particularly concerning because the file looked completely normal and harmless to the user. Unlike traditional scams involving suspicious links or messages, this method exploits a far subtler form of cyberattack.

Steganography is the practice of embedding hidden information inside media files such as images, videos, or audio. In this scam, cybercriminals embed malicious code into the least significant bits of image data or in the file’s metadata—areas that do not impact the visible quality of the image but can carry executable instructions. These altered files are then distributed via WhatsApp, often as forwarded messages. 

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