Since vulnerabilities in are increasingly being targeted by exploit kits in order to distribute malware on vulnerable computers, it is important to use an up-to-date version. Here is a step-by-step procedure to check your current version and, if necessary, Flash.

Is my Flash plugin up-to-date?

Adobe provides a page that will tell you which version is currently loaded in your browser by clicking on the “Check Now” button.

http://helpx.adobe.com/flash-player.html

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In the event that your Flash is out of date the page will show a warning like the one below. In this case follow the instructions on the page to download and install the latest version.

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For Chrome, the browser comes with its own version of Flash and is updated automatically. Just make sure you have the latest version of Chrome.

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Enabling automatic updates of Flash

Flash can be configured to download and install updates automatically. On Windows, open the Control Panel and then the Flash menu item.

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Then click on the Advanced tab. On recent Windows systems the update options probably be grayed out, click the Change Update Settings button. Finally select either to automatically install updates or to notify when updates are available.

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Enabling Flash on-demand

It is possible to configure browsers to ask before loading Flash objects which is an extra step you can take to limits risks of infection.

Firefox

In Firefox, this can be done by going in the Add-ons menu, clicking the Plugins pane and selecting “Ask to Activate” for the Shockwave Flash plugin.

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The next time a Flash object is loaded on a webpage Firefox will display a grey box, click on it to activate it. You can select to automatically load Flash on domains you trust.

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Google Chrome

In Google Chrome, go to the Settings menu.

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Then in the search box type ‘click to play’. Google Chrome will highlight the Content settings button. Click on it to open the menu.

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Scroll down until the click to play item appears and select it. You can add domains on which to automatically activate plugin by clicking the Manage Exceptions button. Finally click the Done button at the bottom of the dialog to save the settings.

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The next time a Flash object is loaded on a webpage Google Chrome will display a grey box, click on it to activate it.

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Internet Explorer

Internet Explorer does not offer a way to activate Flash on demand. However it is possible to configure it to allow Flash only on specific domains. To do that first open the Manage add-ons menu.

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Then under the Toolbars and Extensions pane, right-click on the “Shockwave Flash Object” plugin and click on the More information menu item.

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Then on the next dialog click on the Remove all sites button and close the window.

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The next time a Flash object is loaded on a website Internet Explorer will display a dialog at the bottom of the window, click the Allow button to enable Flash on that website.

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360b / Shutterstock.com

Author Sébastien Duquette, ESET



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