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___________ are used which crawl web pages looking for email Ids and copies them to the database.

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___________ are used which crawl web pages looking for email Ids and copies them to the database.

(a) Caches

(b) Cookies

(c) Bots

(d) Spiders

I had been asked this question in my homework.

Asked question is from Attack Vectors in chapter Understanding Attack Vectors of Cyber Security

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The correct answer is (d) Spiders

The best explanation: Spiders also known as crawlers are used which crawl different web pages looking for email Ids and copies them to the database. These emails are collected together and used for the purpose of spamming.

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