Signal Blocks Windows Screenshots to Protect Your Private Chats


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LONDON, ENGLAND - JANUARY 11: In this photo illustration, the messaging service Signal app is seen on a mobile phone on January 11, 2021 in London, United Kingdom. (Photo by Edward Smith/Getty Images)

Signal Windows Screenshot Protection Update Enhances User Privacy

Encrypted messaging app Signal has rolled out a new Windows 11 update that stops the system from taking screenshots of chat windows, aiming to boost user privacy. The update introduces a feature called “Screen Security,” which is enabled by default and specifically counters Microsoft’s controversial Recall feature.

Microsoft’s Recall tool, designed to record and let users search through past screen activity, raised major privacy concerns when it was first introduced. While the company temporarily paused the rollout due to backlash, it resumed testing in April 2025 through the Windows Preview Channel. Despite now being opt-in and pausable, Recall still records potentially sensitive on-screen content.

In response, Signal’s Screen Security ensures that if a user or system attempts to capture a screenshot of a Signal chat, only a blank screen is saved. This move reinforces the app’s long-standing commitment to protecting conversations from unauthorized access or monitoring.

However, users should note that enabling this feature might interfere with screen readers and accessibility tools. If needed, it can be turned off manually by navigating to:
Signal Settings > Privacy > Screen Security.
The app includes a warning and a confirmation prompt before disabling the feature, helping users avoid accidental deactivation.

In a blog post, Signal took a subtle jab at Microsoft, urging AI and software developers to consider the broader implications of such features. The company emphasized that messaging platforms should not have to rely on workaround tactics to defend their users’ privacy.

With growing concerns about AI-enabled surveillance, Signal’s proactive stance serves as a model for how software providers can respond to technological threats with privacy-first solutions.


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