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Massive spying on users of Google’s Chrome web browser shows new security weakness

  • Google said it removed more than 70 of the malicious add-ons from its official Chrome Web Store after being alerted by researchers last month
  • Those free extensions siphoned off browsing history and data that provided credentials for access to internal business tools

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The spyware campaign attacked users through 32 million downloads of extensions to Google’s Chrome web browser. Most of these extensions purported to warn users about questionable websites or convert files from one format to another. Photo: Reuters

A newly discovered spyware effort attacked users through 32 million downloads of extensions to Google’s market-leading Chrome web browser, researchers at Awake Security told Reuters, highlighting the technology industry’s failure to protect browsers as they are used more for email, payroll and other sensitive functions.

Alphabet’s Google said it removed more than 70 of the malicious add-ons from its official Chrome Web Store after being alerted by the researchers last month.

“When we are alerted of extensions in the Web Store that violate our policies, we take action and use those incidents as training material to improve our automated and manual analyses,” Google spokesman Scott Westover told Reuters.

Most of the free extensions purported to warn users about questionable websites or convert files from one format to another. Instead, they siphoned off browsing history and data that provided credentials for access to internal business tools.

Based on the number of downloads, it was the most far-reaching malicious Chrome store campaign to date, according to Awake co-founder and chief scientist Gary Golomb.

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