COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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web filter
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web threat filter
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spam filter
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anti-phishing software
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Detailed explanation-1: -A spam filter is a program used to detect unsolicited, unwanted and virus-infected emails and prevent those messages from getting to a user’s inbox. Like other types of filtering programs, a spam filter looks for specific criteria on which to base its judgments.
Detailed explanation-2: -What is a spam filter? Spam filters are algorithms that detect unsolicited, undesired or infected emails, and block those messages from reaching inboxes. There are a variety of spam filters, with detection capabilities ranging from basic pattern matching, all the way through to machine learning.
Detailed explanation-3: -The two common approaches used for filtering spam mails are knowledge engineering and machine learning. Emails are classified as either spam or ham using a set of rules in knowledge engineering.
Detailed explanation-4: -Among all the techniques developed for detecting and preventing spam, filtering email is one of the most essential and prominent approaches. Several machine learning and deep learning techniques have been used for this purpose, i.e., Naïve Bayes, decision trees, neural networks, and random forest.