Web-page servers can place small files {cookie, Internet}| on client-computer hard disks, to note that client accessed web page. Cookie files contain unique identifiers, so server can track computer activity.
Web-page programs {web beacon}| can record number of times that computer accessed page or cookie.
Web sites, emails, or text messages can ask for private information {phishing}|, using pretexts.
Web-site programs {spyware}| can report user information to another web site.
Web-site programs {trojan horse, Internet}| can seem OK but have malicious code.
Web-site programs {worm, Internet}| can follow links on web pages and try to replicate on web-page servers.
3-Computer Science-Internet-Programs
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Date Modified: 2022.0225