Signal Criticizes Windows 11's 'Recall' Screenshot Feature

Signal is taking a proactive approach to prevent Microsoft's Recall feature from capturing your protected chats. The solution involves an updated Signal client for Windows 11 that enables screen security protection by default. This utilizes the same type of Digital Rights Management (DRM) technology that prevents users from easily taking screenshots of Netflix content on their devices. While effective, this implementation could create difficulties for individuals who rely on accessibility tools, such as screen readers.
Although Signal states that the feature is simple to disable within the app's settings (Signal Settings > Privacy > Screen Security), the situation highlights a deeper issue. Developer Joshua Lund argues that operating system providers like Microsoft must guarantee that app developers always have the necessary tools and options to prevent OS-level AI systems from accessing sensitive user data within their applications.
Despite two previous delays before its launch last month, Microsoft's Recall—a "photographic memory" feature for PCs—still lacks a dedicated API. This API would allow app developers to exclude their users' confidential information from being archived by the AI. While Recall can help locate emails or chats (including those in Signal) based on vague memories like a described image or a general topic, it also poses significant potential risks to security and privacy.
Related
- Windows feature that captures constant screenshots branded a security "disaster"
- Microsoft launches Recall and AI-enhanced Windows search for Copilot Plus PCs
Lund points out that Microsoft already excludes activity from private or incognito browser windows by default. Users with a Copilot Plus PC can also configure Recall to filter out specific applications, but only if they are aware of and can navigate the necessary settings. For the present, Lund confirms that "Signal is utilizing the tools currently available to us, even as we acknowledge there are numerous legitimate scenarios where a user might need to capture a screenshot."
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Signal is taking a proactive approach to prevent Microsoft's Recall feature from capturing your protected chats. The solution involves an updated Signal client for Windows 11 that enables screen security protection by default. This utilizes the same type of Digital Rights Management (DRM) technology that prevents users from easily taking screenshots of Netflix content on their devices. While effective, this implementation could create difficulties for individuals who rely on accessibility tools, such as screen readers.
Although Signal states that the feature is simple to disable within the app's settings (Signal Settings > Privacy > Screen Security), the situation highlights a deeper issue. Developer Joshua Lund argues that operating system providers like Microsoft must guarantee that app developers always have the necessary tools and options to prevent OS-level AI systems from accessing sensitive user data within their applications.
Despite two previous delays before its launch last month, Microsoft's Recall—a "photographic memory" feature for PCs—still lacks a dedicated API. This API would allow app developers to exclude their users' confidential information from being archived by the AI. While Recall can help locate emails or chats (including those in Signal) based on vague memories like a described image or a general topic, it also poses significant potential risks to security and privacy.
Related
- Windows feature that captures constant screenshots branded a security "disaster"
- Microsoft launches Recall and AI-enhanced Windows search for Copilot Plus PCs
Lund points out that Microsoft already excludes activity from private or incognito browser windows by default. Users with a Copilot Plus PC can also configure Recall to filter out specific applications, but only if they are aware of and can navigate the necessary settings. For the present, Lund confirms that "Signal is utilizing the tools currently available to us, even as we acknowledge there are numerous legitimate scenarios where a user might need to capture a screenshot."
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