WhatsApp customers issued pressing ‘hack’ warning as key setting wants disabling ‘now’

WhatsApp was recently hit with a security flaw that could have allowed hackers to access personal data by sending infected files – here’s how to protect yourself

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An urgent warning has been issued(Image: Bloomberg, Bloomberg via Getty Images)

WhatsApp users would be sensible to heed the latest guidance and make a swift settings adjustment. The widely-used messaging platform found itself under scrutiny recently after a vulnerability was uncovered that could enable cybercriminals to access private information by transmitting files directly to mobile devices.

The problem, initially flagged by Google’s Project Zero security team, originates from the automatic download feature, which immediately stores media content on users’ phones.

It’s understood that online fraudsters have been creating bogus group conversations before inviting unsuspecting individuals to participate. Should someone accept the invitation, the malicious files get downloaded without the victim realising anything untoward has occurred.

Whilst it remains uncertain how many individuals may have fallen victim, it’s undoubtedly a concerning development for the billions who rely on this messaging service daily.

After being alerted to the security flaw, WhatsApp recently released an update designed to prevent further infections. Nevertheless, it underscores the risks associated with permitting automatic downloads onto mobile devices, reports the Mirror.

For added security, it’s advisable to implement some rapid modifications and ensure you’re operating the most recent version of WhatsApp on your device.

One of the most effective recommendations – courtesy of the experts at Malwarebytes – involves navigating to the settings menu and switching off Automatic Downloads or activating WhatsApp’s Advanced Privacy Mode. This ensures that no media content will be automatically saved to your handset going forward.

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  • To disable downloads, simply launch WhatsApp on your Android handset and tap the three-dot menu located in the top-right corner. You’ll then spot the Settings option.
  • Navigate to Storage and data, and beneath Media auto-download, you’ll find When using mobile data, when connected on Wi‐Fi. and when roaming.
  • For each of these three options, tap on them and untick all media categories: Photos, Audio, Videos, Documents. Then press OK.
  • Double-check that each section now displays something like “No media” underneath it.
  • Malwarebytes also recommends restricting who can add you to groups, as this new attack method requires the perpetrator to add both you and one of your contacts to a fresh group. Limiting who can perform this action reduces your vulnerability.
  • Within Settings, select Privacy, followed by Groups.
  • Switch from Everyone to My contacts or preferably My contacts except… and exclude any numbers you don’t completely trust.
  • If you utilise WhatsApp for business purposes, consider maintaining group membership strictly to recognised contacts and authorised administrators.

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