As hackers turned up, layers of security, from antivirus programs to firewalls, were added to try to keep them at bay.

随着黑客的出现，从防病毒程序到防火墙的层层安全措施被添加进来，试图阻止他们。

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Microsoft Security Essentials is still the best darn antivirus we've used, it's free, and it just came out with a new version boasting even more virus-killing power.

Microsoft Security Essentials仍然是我们现在使用到现在为止发现的最好用的反病毒软件，免费并且刚发布了一个说拥有更高杀毒能力的新版本。

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To differentiate their offerings, the security companies bundle their antivirus software with those popular features.

为了是自己的服务占据市场优势，安全提供商们会把自己的杀毒软件与这些服务捆绑销售。

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It started selling its internet security and antivirus software products in the US in 2005.

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Under the terms of the agreement, Finjan's SurfinShield Corporate product will integrate with F-Secure's antivirus security management console.

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The government agency took two PCs running a fully-patched Windows 7 with the Microsoft Security Essentials (MSE) antivirus package installed.

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