WhatsApp data of 500 million users 'on sale': How to check if your data has been leaked

WhatsApp users need to be careful as hackers use such information mostly for smishing and vishing attacks. Smishing and vishing are scams where criminals try to get users to click on a fraudulent link through a phone text message, email or voicemail. So cybersecurity professionals recommend users to remain cautious of any calls from unknown numbers, unsolicited calls and text messages (both SMS and whatsApp).

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