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Questions and Answers
What is the primary purpose of PhishNet?
What is the primary purpose of PhishNet?
- To secure user passwords from theft
- To prevent all forms of cyberattacks
- To create a comprehensive list of all websites
- To identify phishing attacks using predictive blacklisting (correct)
Which method does PhishNet employ to detect new phishing sites?
Which method does PhishNet employ to detect new phishing sites?
- Exact match with pre-defined blacklisted entries
- Combining heuristics from blacklisted sites (correct)
- Machine learning algorithms for user behavior
- Using behavioral analysis of browsing patterns
Which component of PhishNet is responsible for identifying malicious URLs?
Which component of PhishNet is responsible for identifying malicious URLs?
- Component II: predicting malicious URLs
- Component I: predicting URLs (correct)
- Component II: exact matching
- Component I: approximate matching
Which heuristic is NOT mentioned as part of PhishNet's process?
Which heuristic is NOT mentioned as part of PhishNet's process?
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What type of matching algorithm does PhishNet propose to evaluate URLs?
What type of matching algorithm does PhishNet propose to evaluate URLs?
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Study Notes
PhishNet
- PhishNet is a predictive blacklisting scheme used to detect phishing attacks.
- Traditional blacklisting approaches are easily evaded by attackers because they rely on exact matches with blacklisted entries.
- PhishNet utilizes five heuristics: top-level domains, IP address, directory structure, query string, and brand name.
- PhishNet combines blacklisted sites using these heuristics to identify new phishing sites.
- PhishNet employs an approximate matching algorithm to determine if a URL is a phishing site.
- PhishNet has two main components:
- Component I: Predicting malicious URLs.
- Component II: Approximate matching.
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