The two-factor authentication feature prevents malicious actors from gaining control of the account by requiring a PIN when a phone logs in to the messaging app. WhatsApp users are advised to activate 2FA on their account to guard against this type of attack. The procedure is rigorous and has a high potential for success, as users are not familiar with the MMI codes or the mobile phone settings that disable call forwarding. By activating 2FA, the attacker can prevent the rightful owner from regaining access. They choose the option to receive the OTP by voice call.Īfter receiving the OTP code, the attacker registers the victim’s WhatsApp account on their device and activates two-factor authentication. Rahul Sasi, founder and CEO of CloudSEK, has revealed details of how attackers use the MMI code trick to hack users’ WhatsApp accounts.Īccording to Sasi, the attackers must first convince the victim to call a number that begins with a Man Machine Interface (MMI) code that the mobile phone provider has set up to enable call forwarding.Īfter the victim has been tricked into forwarding calls to their number, the attacker starts the WhatsApp registration process on their device. However, WhatsApp's verification process will limit the number of codes that can be sent and will restrict the ability to generate more codes for a period of 12 hours.ĭuring this time, your WhatsApp continues to work absolutely normally.Artificial Intelligence (917) Auto Tech (47) Blockchain (173) CanadianCIO (96) Careers & Education (4433) Channel Strategy (35) Cloud (2084) Communications & Telecom (420) Companies (1046) Data & Analytics (828) Development (734) Digital Transformation (1233) Distribution (126) Diversity & Inclusion (66) Ecommerce (91) Emerging Tech (24217) End User Hardware (50) Engineering (79) Financial (164) FinTech (86) Future of Work (347) Governance (106) Government & Public Sector (6080) Human Resources (861) Infrastructure (8522) IoT (6173) ITWC Morning Briefing (129) Leadership (4287) Legal (162) Legislation (167) Managed Services & Outsourcing (4311) Marketing (61) MarTech (3) Medical (31) Mobility (3429) Not For Profit (23) Open Source (30) Operations (85) People (149) Podcasts (2045) Privacy (641) Project Management (1099) Security (8008) Service (44) Smart Home (18) SMB (59) Social Networks (202) Software (4166) Supply Chain (122) Sustainability (108) Tech in Sports (5) Women in Tech (188) These codes repeatedly come since that is part of the process of the hack. Meanwhile, you are not alarmed because WhatsApp on your phone continues to work normally. You will start to receive six-digit codes on SMS suggesting someone requested the code for installing WhatsApp on their phone. The hacker uses the same technique, install WhatsApp on their smartphone using your mobile number. To understand this first, we should know that when we install WhatsApp on our smartphones, we receive an SMS code to verify the SIM card and the number. How the vulnerability works - The first step Ya que l no es dueo de ese nmero, la vctima recibira los mensajes SMS con cdigos de WhatsApp, lo cual es una seal de alerta a la que debemos estar atentos. And this attack cannot be prevented even through two-factor authentication. Lo primero que hace el hacker es insertar el nmero de telfono de su vctima y solicita un cdigo de confirmacin. Some amount of error by the user and your WhatsApp is deactivated. Security researchers, Luis Márquez Carpintero and Ernesto Canales Pereña have demonstrated the vulnerability and were able to deactivate WhatsApp on a user's phone. And the most concerning part is that the two-factor authentication will not be able to prevent this from happening. And to do that the attacker will just use your phone number. So if you are using WhatsApp, then you should definitely read this story.Ī new vulnerability has been discovered which could allow a remote attacker to easily deactivate WhatsApp on your phone. But now there is something for you to worry about. It is one of the safest modes of communication because of its high privacy due to end-to-end encryption. WhatsApp is the most popular and most used instant messaging app in the world. Facebook-owned WhatsApp has more than two billion users globally.
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