How to safeguard your WhatsApp account from cyber threats

In today’s fast-paced digital landscape, instant messaging applications have transcended their primary function of communication, emerging as pivotal tools in both personal and professional domains.

Among these platforms, WhatsApp stands out with its extensive user base and versatile functionality. Its convenience and accessibility, however, also render it an attractive target for cybercriminals.

With a plethora of online threats and social engineering tactics, users must remain vigilant to protect themselves against the twin perils of financial fraud and the unauthorised access of confidential information.

The allure of WhatsApp

WhatsApp has revolutionised the way people interact, offering features such as end-to-end encryption, voice and video calling, and file-sharing capabilities.

These functionalities not only enhance personal connections but also facilitate professional collaboration. For businesses, WhatsApp serves as a critical communication tool, enabling real-time discussions, efficient information sharing, and seamless engagement with clients.

However, as the platform’s popularity has soared, so too has the sophistication of cyber threats targeting its users.

Cybercriminals often exploit social engineering tactics to manipulate individuals into divulging sensitive information or transferring funds.

The manipulation may involve phishing attacks masquerading as legitimate communication or the creation of fraudulent accounts that mirror real users.

Understanding these risks is essential for all WhatsApp users, as the repercussions of falling victim to such tactics can be severe—ranging from financial loss to identity theft.

Essential safeguards for WhatsApp users

To bolster the security of their accounts and ward off potential hacking attempts, users can adopt a series of strategic measures. Implementing these practices not only enhances individual protection but also promotes a safer community overall.

1. Enable Two-Factor Authentication (2FA): The first line of defense against unauthorized account access is two-factor authentication. This feature requires not only a password but also a second form of verification, such as a code sent to the user’s phone, adding an additional layer of security.
2. Guard the Verification Code: Users must exercise caution and never share confirmation codes with others or input them on unverified websites. Cybercriminals often employ tactics designed to elicit this sensitive information, and users must remain wary of such requests.
3. Disable Automatic Downloads: By default, many messaging apps, including WhatsApp, may automatically download media files sent from other users. This functionality can be exploited to deliver malicious files. Therefore, disabling automatic downloading is a prudent step to avoid inadvertently compromising the device.
4. Limit Profile Visibility: Users should restrict the visibility of their personal data, such as profile photos, statuses, and information, to contacts only. By doing so, they mitigate the risk of exposure to individuals who could misuse this information.
5. Exercise Caution with Links and Files: Avoid following links from unknown or suspicious accounts or downloading files from untrustworthy sources. Implementing a healthy skepticism regarding unsolicited messages can prevent many potential threats.
6. Verify Suspicious Messages from Contacts: Fraudsters often hijack accounts and communicate with victims as if they are trusted contacts. Users should be prepared to verify any unusual requests from friends or colleagues through alternative communication methods, thereby confirming the legitimacy of the message.

Responding to compromised account

Despite proactive measures, there remains a possibility that a user’s WhatsApp account could be compromised. In such an unfortunate event, swift action is essential to mitigate damage and restore security.

1. Notify Contacts: The first step upon discovering unauthorized access is to inform all contacts about the breach. By alerting them to potential fraudulent messages, users can prevent further scams and protect their acquaintances.
2. Terminate Unauthorized Sessions: WhatsApp allows users to check and monitor active sessions on their accounts. Immediately terminating any unauthorized sessions can help regain control over the account.
3. Report to WhatsApp Support: Users should report the incident to WhatsApp technical support, providing details about the hack. Such reports not only assist in the restoration of the user’s account but also provide valuable data to improve overarching security measures.
4. Reinstall WhatsApp: As a final safeguard, deleting and reinstalling the app can help remove any malicious software that could have been installed during the unauthorized access. After reinstalling, users must log in again and verify their phone number to restore full functionality.

As the use of messaging applications like WhatsApp continues to grow, so too does the necessity for robust cybersecurity practices. While the convenience of these platforms cannot be overstated, users must remain proactive in protecting their information from escalating cyber threats.

By implementing security measures such as two-factor authentication, cautious management of personal data, and diligent verification of communications, users can significantly reduce their risk of falling victim to online fraud.

Additionally, understanding the steps to take in the event of a breach ensures users can act quickly and effectively, minimising potential damage. Ultimately, a collective commitment to cybersecurity through awareness and vigilance is vital in fostering a safer digital environment for all.

• Irina Zinovkina is the Head of the Analytical Research Unit at Positive Technologies.