All of us know how much sensitive Google is about the user experience and user data security. Before also we have seen the Mountain View giant taking steps which are in sole favor of the users and their data security. Taking the trend ahead, Google is going to step another safety measure from February 13 in which Gmail will block JavaScript Attachments. This step is to prevent hackers from stealing users data and from malicious data in Gmail.
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As I told you, this is not the first time Google has blocked such files. Before also Gmail has blocked use of certain file types that include .exe, .msc, and .bat. So from January 13 if you try to send a .js file attachment, then you will be prompted with an in-product warning with block on the file and explaining why it’s blocking this file.
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The warning massage will read “There are a number of reasons why you may see the ‘This message was blocked because its content presents a potential security issue’ error in Gmail. Gmail blocks messages that may spread viruses like messages that include executables files or certain links.”
However, Google has kept alterations to send such files and you can make of use the Google Drive, Google Cloud Storage, or other storage solutions to send or share the .js files. As Google states, it even blocks certain compressed file forms such as .gz or .bz2 as those too are prone to security attacks. Google too blocks the archive listed files which content is password protected or whose content includes a password protected archive. This is a measure to prevent the hackers from stealing personal information and data using the .js attachments.
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Before it so happened that the hackers used the .js file to hack the user’s PC. As a format, once these javascript files are downloaded to the user’s PCs, that assists the attackers to steal data from the PC. But now this format will no more be functional as Gmail will block such attachments.