Previously, Chrome’s Safe Browsing stored potentially unsafe URLs in a local database updated every 30 to 60 minutes, but this method missed many dangerous sites that operate briefly. The new system in Standard mode checks URLs in real-time against Google’s server-side database without revealing the full URL or IP address, using a privacy server to strip identifiers and a TLS connection that blends requests with those from other users. This process allows Google to warn users about threats without seeing their full browsing activity, claiming to block 25% more phishing attempts. Enhanced protection mode still offers the most comprehensive security, but the Standard mode now includes real-time checking as well.
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