今天，我们可以访问大量的数据，这些数据都可以在Internet上获取，并且可以为我们的各种目的服务。但是，它伴随着一长串威胁，其中致命的风险之一是恶意软件。恶意软件(Malware)能够窃取和破坏您的在线/离线数据，而您甚至没有机会做出反应并为此做好准备。浏览器仍然是当今恶意软件攻击的一条简单途径，您永远不知道您单击的哪个下载或链接是恶意软件文件的邀请。
因此，您如何防止自己下载恶意文件？好吧，您可以采用的最简单的方法之一是使用为您扫描所有内容的浏览器扩展程序。(Browser)Google Chrome是世界上使用最多的浏览器，如果您也是Chrome的用户之一，那么OPSWAT File Security for Chrome是一个有效的浏览器扩展。
Chrome 的 OPSWAT 文件安全性
OPSWAT File Security for Chrome是一个易于使用的浏览器扩展程序，可通过其MetaDefender Cloud检查每次下载，以便您了解下载的文件是否足够干净，可以访问。在从您的Chrome(Chrome)浏览器扫描下载内容时，它使用了 30 多种反恶意软件引擎和行业领先的漏洞扫描技术。它处理您在MetaDefender Cloud(MetaDefender Cloud)上下载的最大 140MB 的每个文件或应用程序 。
它利用文件哈希数据库、快速多重扫描、专利漏洞扫描和有效数据清理 ( CDR ) 来检测和阻止用户下载文件和应用程序中的威胁。
如何使用 OPSWAT File Security for Chrome(How to use OPSWAT File Security for Chrome)
由于其30 个反恶意软件引擎(30 anti-malware engines)，Opswat 的MetaDefender配备了一个包含数百万易受攻击的二进制文件的数据库，从而使扫描非常有效。以下是如何开始使用Chrome浏览器。
1]转到 Chrome 网上应用店并找到OPSWAT File Security for Chrome浏览器扩展。
2]单击(Click)蓝色的“添加到Chrome”按钮。您将看到弹出以下对话框。点击(Click)“添加扩展”。
这会将MetaDefender添加到您的Chrome浏览器。您将被带到以下页面。在这里，您可以找到您的API 密钥(API Key)信息，如下所示。
自动分配的API密钥允许您将MetaDefender数据清理和多重扫描技术集成到您自己的软件应用程序中。
3]现在要启用扩展程序并自动扫描所有下载，找到并单击(3] )Chrome窗口右上角的蓝色图标。
注意：您也可以选择在下载之前逐个扫描每个下载文件。为此，只需在浏览器中右键单击要下载的文件或应用程序，然后选择“下载前使用MetaDefender扫描”。(MetaDefender)
4]单击步骤 3(Step 3)中的蓝色图标，您将看到以下弹出窗口，提示到目前为止没有扫描任何文件。您必须从Settings启用自动扫描。
要打开设置(Settings)，请单击下面的图标，
在“设置”(Settings)页面上，您将看到“扫描下载”选项卡未选中。您必须选择此选项卡以使用“自动扫描所有下载”功能并点击扩展详细信息（蓝色）( extension details (in blue))
启用“允许访问文件 URL(Allow access to file URLs) ”，您现在可以检查“扫描下载(Scan downloads)”选项卡。
5]一旦扩展程序生效，Chrome浏览器中将打开一个选项卡，MetaDefender 云(MetaDefender Cloud)扫描过程将开始（您可能需要在队列中等待几秒钟）
如下所示，当您在任何网页上时，只需右键单击要扫描恶意软件的文件的下载链接。
在上下文菜单中，选择“使用 OPSWAT扫描”。(Scan)OPSWAT File Security for Chrome将开始分析所选URL处的文件，结果将显示在“扫描(Scan) 历史记录”(History)页面上。
最后三个扫描在扩展弹出窗口中也可见。如果您想了解有关扫描的更多信息，只需单击分配的文件名，您将被带到显示Multiscan分数和MetaDefender关键检测结果的网页。
(OPSWAT File Security)Chrome的(Chrome)OPSWAT File Security可免费使用。但是， MetaDefender Cloud API(MetaDefender Cloud API)的免费使用存在一些限制，这些限制在API密钥页面上进行了描述——这些限制对于大多数普通用户来说应该足够了。要更新此API密钥，您需要登录到他们的OPSWAT帐户。
您可以访问OPSWAT File Security for Chrome 官方页面(official page)获取扩展链接。
OPSWAT File Security for Chrome scans downloaded files
Today, we have accesѕ to data in abundance, all аvailablе on the Internеt and readу to serve our various purposes. However, it comеs along with а long list of threatѕ, аnd оne of the deadly risks among them is malware. Malware is capable of stealing and corruptіng your online/offlinе data without giving you a chance even to react and рrеpаre for the same. Browsers remain an easу rоute that malware target today and yоu never know which download or link that you clicked is an invіtation to malware files.
Therefore, what do you do to prevent yourself from downloading a malicious file? Well, one of the easiest approaches that you can adopt is to use Browser extensions that scans everything for you. Google Chrome is the most used browser in the world, and if you are also one of the users of Chrome, then OPSWAT File Security for Chrome is an effective browser extension to have.
OPSWAT File Security for Chrome
OPSWAT File Security for Chrome is an easy-to-use browser extension that inspects every download via its MetaDefender Cloud so that you know if your downloaded files are clean enough to access. While scanning the downloads from your Chrome browser, it uses more than 30 anti-malware engines and industry-leading vulnerability scanning technologies. It processes each file or application with size up to 140MB that you download on MetaDefender Cloud.
It leverages the file hash database, fast multi-scanning, patented vulnerability scanning and effective data sanitization (CDR) to detect and block threats in files and applications before the user downloads them.
How to use OPSWAT File Security for Chrome
Thanks to its 30 anti-malware engines, Opswat’s MetaDefender is equipped with a database of millions of vulnerable binaries making the scanning highly effective. Here is how to get started on your Chrome browser.
1] Go to Chrome Web Store and find OPSWAT File Security for Chrome browser extension.
2] Click the blue “ADD TO CHROME” button. You will see the below dialog box pop up. Click “Add extension.”
This will add MetaDefender to your Chrome browser. You’ll be taken to the below page. Here you can find your API Key information as given below.
The automatically assigned API key allows you to integrate MetaDefender data sanitization and multi-scanning technology into your own software applications.
3] Now to enable the extension and scan all downloads automatically, locate and click the blue icon in the upper right corner of your Chrome window.
Note: You can also choose to scan each download piecemeal before you download it. To do that, just right-click the file or application you want to download within your browser and select “Scan with MetaDefender before downloading.”
4] On clicking the blue icon in Step 3, you will see the following popup window saying that no files were scanned so far. You will have to enable automatic scans from Settings.
To open Settings, click on the below icon,
On the Settings page, you will see “Scan Downloads” tab as unchecked. You will have to select this tab to use “Automatic scan all downloads” feature and to do that click extension details (in blue)
Enable “Allow access to file URLs” and you will now be able to check “Scan downloads” tab.
5] Once the extension goes into action, a tab will open in your Chrome browser, and the MetaDefender Cloud scanning process will begin (you may have to wait a few seconds in the queue)
As shown below, while you are on any web page, just right click on the download link for the file you would like to scan for malware.
In the context menu, select ‘Scan with OPSWAT’. OPSWAT File Security for Chrome will begin analyzing the file at the selected URL, and results will be available on the Scan History page.
The last three scans are also visible in the extension popup. If you want to know more about the scan, you just need to click on the assigned file name, and you will be taken to a webpage showing Multiscan score and MetaDefender critical detection results.
OPSWAT File Security for Chrome is free to use. However, there are some limitations to the free usage of the MetaDefender Cloud API, and these limits are described on the API key page – and these limits should be good enough for most regular users. To update this API key, you need to sign in to their OPSWAT account.
You can visit OPSWAT File Security for Chrome official page to get the extension link.
