Microsoft acknowledges the increasing prevalence of online scams, noting a five-fold increase in scams blocked by their Edge browser in 2024 compared to just three years prior. While Edge's Microsoft Defender SmartScreen already blocks known scams, this new update targets the more insidious "scareware," which can be incredibly convincing and urgent. Scareware often involves aggressive web pages that mimic legitimate security alerts, pressuring users to call fake tech support numbers or grant access to their computers. The FBI has highlighted the sophistication of these scams, with criminals impersonating well-known tech companies and offering fraudulent services. Even tech-savvy individuals can be fooled, as demonstrated by a recent incident where a security engineer nearly fell victim to a fake Google support call. Microsoft's new "scareware blocker" aims to provide a crucial first line of defense against these threats. The feature utilizes a machine learning model running locally on the user's computer. This model analyzes full-screen web pages, comparing them to a database of known scareware scams. Critically, this analysis happens on the device, preserving user privacy. When the scareware blocker detects a potential threat, it takes several actions: exiting full-screen mode, stopping aggressive audio playback, displaying a warning, and showing a thumbnail of the suspicious page. This gives users back control of their browser and allows them to assess the situation. Microsoft emphasizes that this is a preview release and encourages users to participate by enabling the feature in their Edge settings. User feedback is crucial for refining the machine learning model and improving its accuracy. The company also stresses the importance of reporting both genuine threats and false alarms, which helps strengthen the system's ability to identify and block future scams. Ep299 Image created by AI
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