Today, most browsers integrate security services that attempt to protect users from phishing attacks: for Microsoft’s Edge, the service is Defender SmartScreen, and for Chrome, Firefox, and many derivatives, it’s Google’s Safe Browsing. URL Reputation services do what you’d guess — they return a reputation based on the URL, and the browser will warn/block loadingContinue reading “Cloaking, Detonation, and Client-side Phishing Detection”
Tag Archives: Defender
ServiceWorkers vs. Network Filtering
In a recent post, I explored how the design of network security features impact the tradeoffs of the system. In that post, I noted that integrating a URL check directly into the browser provides the security check with the best context, because it allows the client to see the full URL being checked and ifContinue reading “ServiceWorkers vs. Network Filtering”
Security Tradeoffs: Privacy
In a recent post, I explored some of the tradeoffs engineers must make when evaluating the security properties of a given design. In this post, we explore an interesting tradeoff between Security and Privacy in the analysis of web traffic. Many different security features and products attempt to protect web browsers from malicious sites byContinue reading “Security Tradeoffs: Privacy”
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