
WhatsApp has always been the favourite place for scammers and frauds to lure people into scams. Be it dangerous links to OTP scams or the recent "digital arrest" scams - innocent people have been prey to scammers quite often. Latest in the series, scammers are now back with a new tactic - image scam. Here's all you need to know about it to keep yourself safe.
In a recent concerning incident, a man from India's Jabalpur lost around $200,000 after downloading an image file sent via WhatsApp from an unknown number.
The scammers are operating using the technique of steganography - a method where malicious code is embedded within image files. A common form of the steganography technique is Least Significant Bit (LSB). This lets hide an information in the least significant bit of a media file.
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Typically, these images consist three bytes of data corresponding to the colors red, green, and blue. As per experts, the hidden data is embedded in the fourth byte which is known as "alpha" channel.
When one opens the infected image, the malware is automatically installed on their device and access sensitive information.
(With inputs from agencies)