QQ responds by reading browser history: the data is used to determine whether the login is malicious.

Xigua, the editor of php, introduced that QQ recently responded that the data read from the browser history is used to determine whether the login is malicious. It is understood that QQ will read browser history data when a user logs in, and determine whether the login is normal behavior by analyzing the websites the user has recently visited. This move is intended to increase account security and reduce the risk of malicious logins. However, this approach has also caused concerns and doubts among some users. Today, when privacy protection has become a hot issue, how to balance security and privacy has become an issue that requires serious consideration.

Tencent QQ responded to this question on its official Zhihu account, saying that recently we have received external feedback that PCQQ scanned and read the browser's history. Our QQ security team takes this very seriously and immediately launched an investigation. After investigation, we found that PCQQ does read browser history, but this is to determine the security risk of user login. These read data are only used for judgment in PCQQ's local client to identify whether there is a malicious login. It is worth emphasizing that all relevant data will not be uploaded to the cloud, will not be stored, and will not be used for any other purpose. We handle this issue very carefully to ensure user privacy and data security. At the same time, we also welcome further questions and feedback from users on this matter, and we will continue to pay attention and take appropriate measures to protect the rights and interests of users.

The specific situation is that this operation is a technical solution against malicious logins launched in history: because the system has identified that many fake QQ clients will maliciously access multiple websites as preliminary auxiliary work, so in PCQQ Access logic for detecting malicious and abnormal events is added to the client as an auxiliary means to identify malicious clients.

Tencent said that it deeply apologizes for this incident and is internally sorting out historical issues and strengthening user data access standards. At present, the technical logic for detecting malicious and abnormal requests has been replaced to solve the above security risk issues, and a new PCQQ version has been released. To reduce inconvenience, all affected historical versions of PCQQ will undergo hot updates and push upgrade packages starting today. At the same time, the above operations do not exist on mobile QQ and will not be affected.

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