Q. What is a theoretical approach to the problem of maintaining anonymity while demanding a ransom for an encryption key?

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Q. What is the basic premise of most malware defense strategies?

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Q. Why would a clever malicious program install itself as a filesystem filter?

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Q. Where must security and antivirus programs reside in order to prevent malicious programs from distorting their view of the system?

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Q. What is firmware?

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Q. Can firmware be updated at the customer site using a special firmware-updating program?

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Q. What could a clever malicious program do to avoid detection by an antivirus program?

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Q. Why must security and antivirus programs reside at a low enough level in the operating system?

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Q. At what level could a malicious program theoretically infect a program?

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Q. Why is it problematic if a malicious program alters an extremely low-level component?

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Q. What is the main goal of backdoor access for many malicious programs?

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Q. What are Denial-of-Service (DoS) attacks?

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Q. What is the basic problem with malware?

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Q. Why can't encryption-based approaches address the vulnerability of malware?

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Q. What are some ways to hide malicious software?

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Q. What is the most powerful analysis method for analyzing malware?

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Q. What are antireversing techniques?

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Q. What is the easiest way for antivirus programs to identify malicious programs?

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Q. What is polymorphism?

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Q. What is the weakness of polymorphism-based solutions?

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