New Threat for WhatsApp Users
A new and alarming cybersecurity threat is targeting Android users through one of the most popular messaging apps in the world — WhatsApp. This time, it’s not about malicious APKs or suspicious links. Instead, the danger now comes just from downloading an image.
Yes, you read that right — simply downloading a photo sent via WhatsApp could result in a full-blown malware infection, putting your data and money at serious risk.
This threat came to light when a man in India reportedly lost two lakhs INR (approximately Rp40 million) after downloading an innocent-looking image sent to his WhatsApp. The hackers didn’t need him to install an app or click on a suspicious link. The image alone was enough.
How is This Possible?
The attack uses a sophisticated technique called steganography, more specifically, Least Significant Bit (LSB) steganography. Hackers embed malicious code into the most minor, seemingly irrelevant parts of a digital image through this method. When the image is downloaded, the malware is silently executed in the background — no installation or user interaction is needed.
This attack is hazardous because it is hard to detect and can bypass traditional antivirus filters. Once infected, the attacker can remotely access the phone, steal banking credentials, read messages, and compromise sensitive data — all without the user’s knowledge.
Who Is at Risk?
This threat mainly targets Android users, as the platform is more vulnerable to such attacks due to its open nature.
What Can You Do to Stay Safe?
To protect yourself from this stealthy attack, Android users are strongly advised to turn off the auto-download of media in WhatsApp. Here’s how:
Open WhatsApp.
- Tap the three dots in the upper-right corner and go to Settings.
- Navigate to Storage and Data.
- Under Media Auto-Download, turn everything off:
- When using mobile data, → Uncheck all
- When connected to Wi-Fi → Uncheck all
- When roaming, → Uncheck all.
The action prevents images, videos, and other media from being automatically downloaded, giving users control over what enters their devices.
References :
1. Madhya Pradesh Man Loses ₹2 Lakh in WhatsApp Image Scam: A New Cyber Threat Emerges
2. Implementation of Steganography Modified Least Significant Bit using the Columnar Transposition Cipher and Caesar Cipher Algorithm in Image Insertion
Want to know more information, please visit our website at:
https://hdnmetatech.com/
https://agus-hermanto.com/
Don't forget to follow our other social media
Instagram : hdnmetatech
Linkedin : https://www.linkedin.com/company/herdina-metatech-sinergi-corp
Facebook : Herdina Metatech Sinergi Corp