How Do Attackers Execute a Web Scraping Attack? In addition to reselling for a quick profit, attackers scrape a site to identify employee names and deduce username and email formats to launch targeted phishing and account takeover (ATO) attacks. In May of 2021, Business Insider reported that Facebook had been similarly targeted: scrapers gained information on over 500 million users. In April and July of 2021, LinkedIn fell victim when data from over one billion user accounts was scraped and offered for sale on the dark web. In the most malicious scenarios, cybercriminals deploy bots to scrape user data and resell it or use it for a broader attack. In other cases however, unscrupulous businesses will use bots to create competitive disadvantages by scraping pricing data from competitor’s sites to undercut them or harvesting and duplicating marketing content from competitive sites for SEO purposes. Online businesses might scrape websites for such things as search engines, delivering price comparisons to consumers, and aggregating news or weather content. Web scraping can be a confusing issue from a security perspective as it is a wide-spread practice in many digital businesses and has legitimate uses. The scraper can then replicate this data on another website or application. Web scraping, or content scraping, is the practice of using automated bots and web crawlers to extract content or data from third-party websites.
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