Google Says Search Got Much Better at Identifying Spam Sites Last Year - CNET

Google Search caught six times more spam sites in 2021 than it did in 2020, according to a Webspam report published by Google on Thursday. The Alphabet subsidiary lauded its AI-based spam-prevention system called SpamBrain, which it said has helped keep "more than 99% of searches spam-free."

SpamBrain has helped prevent users from clicking to harmful sites that might inject malware and to scam sites that aim to trick people into revealing personal information or wiring money, the search giant said. AI-based systems are necessary given that spammers are constantly finding ways to circumvent the company's filters, Google said.

Search is Google's most significant revenue driver, making it important for the company that high quality and safe sites rise to the top of its results. Spam sites use search engine optimization, or SEO, techniques to artificially improve their search rankings. Google filters out spam sites designed to trick its algorithm.

SpamBrain led to a 70% reduction in hacked spam, Google said. Hacked spam involves hackers infecting websites with harmful code that can record people's keystrokes and steal their login credentials. Other types of hacked spam can inject malware onto people's computers and redirect them to malicious sites. SpamBrain helps keep these websites out of Google Search, Google said.

"Scammers often attempt to create low quality websites with keyword stuffing, logos of brands they're imitating, and a phone number they want you to call," Ned...

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