What are the principal measures used to protect computer security?

哪些主要措施来保护计算机安全？

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Security experts are constantly devising ways to protect computer systems from access by unauthorized persons.

安全专家不断设计新方法，用以保护计算机系统免于未经授权之人的访问。

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It helps protect computer systems from malicious code and helps protect trusted code from intentionally or accidentally compromising security.

它有助于保护计算机系统免受恶意代码的攻击，并保护受信任的代码以使其安全性免受有意或无意的危害。

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They offer to protect your computer against known exploits, blocking attacks as they happen.

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Provide advice to governments on how to protect their computer systems and track down and arrest hackers.

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And just about every technical countermeasure that brilliant engineers devised to protect vital computer systems and valuable information can be accidentally or intentionally circumvented by human interaction.

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