Did you know you can expand your web browser’s functionality? Extensions (also called add-ons or plug-ins) are little programs that run within Internet Explorer, Firefox, Safari, and other web browsers. While extensions offer increased options, they also pose security risks.
Some extensions are probably familiar to you. One of the most popular, Flash, lets you see video content on the Web. Flash also illustrates the risks of extensions. Viruses can enter your computer through malicious Flash content, especially if you’re running an older version of the extension. Most people don’t realize that browser extensions, like all software, need to be updated.
To solve that problem, several months ago Mozilla introduced a check for Firefox to help users find and update their extensions. Mozilla is now offering this free service for other browsers. To maximize your computer security, become familiar with the extensions you’re running. The easiest way to do that is to visit Mozilla’s extensions check page, but you can also find them under Tools>Manage Add-Ons (Internet Explorer), Tools>Add-Ons (Firefox), and Help>Installed Plug-Ins (Safari).
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Categories: Firefox, Internet, antivirus, apple, flash, internet explorer, mac, malware, microsoft, opera, pc, safari, security, spyware, viruses, web, windows Tags:
The next time you do an online search for something, pause before you click. Some of the results you receive are poisoned links to malicious sites that may infect your computer with viruses and malware.
Search engines don’t verify that keywords match results, nor that sites are free from infection. Sponsored ads are particularly notorious. If you do a search for “Windows antivirus”, the paid results are often links to fake antivirus programs just waiting to lure you in.
I advocate the use of link-checkers such as McAfee SiteAdvisor or LinkExtend for Firefox. These free add-ons indicate through red, yellow or green icons whether links are safe to visit. Even so, you should always be cautious. Make sure your security software is up to date and that you have the latest versions of programs like Adobe Reader and Flash (here’s why). You can also run Secunia’s Online Software Inspector to check the status of your security protections.
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Categories: Firefox, adobe, antivirus, flash, internet explorer, malware, pdf, scams, scareware, security, spyware, viruses Tags:
Starting in 2010, I’m writing a monthly technology column for The Northwest Herald. In January’s column, Old Software Poses Risk Of Viruses, I talk about how outdated versions of your software can open the floodgates. Here are some previous Tech Tips articles on how you can protect yourself:
Below you’ll find links to related resources including those mentioned in the column.
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Categories: Firefox, acrobat, adobe, antivirus, apple, flash, internet explorer, iphone, ipod, itunes, mac, malware, microsoft, microsoft office, northwest herald, opera, pc, pdf, safari, scareware, security, spyware, web, windows Tags:
Secunia Personal Software Inspector (PSI) is a beautiful thing. We’ve talked about how hard it can be to make sure your Windows computer has all the right patches for its software: Windows itself, Internet Explorer, Microsoft Office, Adobe Acrobat Reader, Adobe Flash, Java, Mozilla Firefox… it’s enough to make your head spin.
PSI takes care of this for you, by scanning your computer and giving you a vulnerability assessment, with links to download what you need. Call it one-stop shopping for computer updates. While it doesn’t detect every program, it does scan for all the major ones, and that alone is enough to give you an edge on viruses and other threats.
If you want to check it out, give the Secunia Online Software Inspector (OSI) a try. If you like it, download PSI and toast your new-found happiness.
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Categories: Firefox, acrobat, adobe, flash, internet explorer, java, microsoft, microsoft office, pc, pdf, security, spyware, viruses, web, windows Tags:
Mozilla Firefox has upped the ante in the fight against cybercrime with automatic checks for updated plug-ins.
Plug-ins are bits of software that work within your Web browser to provide additional functionality. Mozilla debuted this feature with a check for updated versions of Flash, a popular plug-in used to view video content. Outdated versions of programs like Flash are used to spread viruses and malware.
Firefox will run the check automatically, or you can visit this site to check your plug-ins manually. You still have to update them yourself, but Mozilla’s new feature provides a more intuitive way to do so. You can also view your plug-ins and get more information about enabling and disabling them. The check works for both the Windows and Mac versions of Firefox. It’s such a good idea I suspect we’ll see this sort of functionality added soon for Internet Explorer and Safari, the default browsers for Windows and Mac, as well as other browsers like Opera.
Mozilla says it will continue to expand this feature to include additional plug-ins, which is great news for users struggling to keep their computers free of malware and other threats.
Categories: Firefox, Internet, adobe, antivirus, apple, consumers, cybercrime, flash, internet explorer, mac, malware, microsoft, opera, pc, safari, security, spyware, viruses, web, windows Tags:
As if scareware (fake antivirus software) via legitimate news sites wasn’t bad enough, now we’re getting a veritable swarm of malware (virus-like stuff you don’t want) via ad services sold to legitimate web sites by Google and Yahoo, among others.
The ad services, including DoubleClick, FastClick and ValueClick, offer infected ads that use malicious PDF files to inflict viruses via bugs in older versions of Acrobat Reader. You don’t even have to click on anything, merely visit a page with an infected ad. All you see is a window opening and closing as the PDF is launched. Remember, Google, Yahoo and the infected web sites are not going to protect you from this stuff. Your only option is to protect yourself.
Your best protections are using strong security measures and keeping your Adobe Reader (aka Acrobat) up to date. Meaning, if you’re not using the current version, 9.1.3 (and I know many of you are still on version 7 and earlier), you want to RUN not walk to Adobe’s site to download the latest version.
Installing Adobe Reader is similar to installing Flash. You’ll have to install Adobe’s Download Manager if you haven’t already, then download and install the Reader software. I’ve put the links for Acrobat Reader and Flash Player in the right-hand sidebar under Help For PC Users and Help For Mac Users.
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Categories: Internet, acrobat, adobe, alerts, antivirus, flash, malware, pdf, scareware, security, spyware, viruses, web Tags:
The latest version of Mozilla Firefox 3.5 (3.5.3) includes an important new feature. It checks to see if you have old, unsafe versions of Flash, a plug-in used to view multimedia content.
Old versions of Flash are problematic because they can be used to infect your computer with viruses and other malware. It’s not always easy to tell which version you’re running, and Flash often goes under the radar screen because it’s a plug-in, not a program you run directly by clicking an icon.
Mozilla reports that 99% of Firefox users have Flash. Of the six million users who upgraded Firefox after last week’s upgrade, half of them had unsafe versions of Flash.
Firefox can’t run the Flash upg
rade for you; you have to do it yourself by clicking the link to visit the Adobe site. When I visited, Adobe tried to lump some free McAfee antivirus software with the Flash upgrade; you can de-select that. You may need to approve the Adobe Download Manager (look for the yellow bar at the top of your Firefox window). Once Download Manager completes, Firefox needs to restart. A new window will appear, downloading the latest version of Flash. Finally, close Adobe Download Manager by clicking the orange button. (With all these steps, is it any wonder people don’t upgrade Flash more often?)
While the new version of Firefox 3.0 (3.0.14) also includes this Flash check, I encourage you to upgrade to 3.5.3 for greatest security.
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Categories: Firefox, Internet, antivirus, apple, beginners, flash, mac, malware, pc, security, small business, spyware, viruses, web, windows Tags:
Apple has released the first update for Snow Leopard, Mac OS X 10.6.1, due to erroneously including an old and vulnerable version of Flash in the original release. This update also includes a few additional fixes.
Even if you’re not running Snow Leopard yet, you’ll want to use Software Updates under the Apple menu to get your copy of the latest Security Updates for Mac OS X 10.4.11 and 10.5.8.
Another day, another exploit for your computer. Today it’s Adobe (formerly Macromedia) Flash Player, used by just about everyone to view video on Web pages. You may have it without realizing, as it is often automatically installed by various sites and programs.
Why is this update important? If you don’t have the latest version, your computer could be attacked by viruses simply by viewing an infected Web page. “Trustworthy” sites are often infected, so your only protection is updated software, good antivirus, and a little computer security savvy.
Download the latest Flash Player today, and stay tuned to Tech Tips for the latest computer news.
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