TechCrunch News 05月22日 15:36
Signal’s new Windows update prevents the system from capturing screenshots of chats
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Signal 宣布更新其 Windows 应用,新增“屏幕安全”设置,默认在 Windows 11 上启用。此功能旨在保护用户隐私,防止 Microsoft 的 Recall 功能持续截屏记录用户活动。尽管 Microsoft 暂停了 Recall 的推出并在之后重新测试,Signal 认为该功能仍可能捕获敏感内容。启用屏幕安全后,用户尝试截屏会得到空白屏幕。Signal 警告称,此设置可能影响屏幕阅读器等功能。用户可在设置中关闭此功能,但需确认操作,以防误操作。Signal 希望 AI 团队能更周全地考虑隐私影响,并提供合适的开发者工具。

🛡️ Signal 在 Windows 应用中引入“屏幕安全”设置,默认在 Windows 11 上启用,旨在保护用户隐私,防止屏幕内容被未经授权的截取。

📸 启用“屏幕安全”后,用户尝试使用截屏功能时,只会得到一张空白图片,从而有效阻止屏幕内容的泄露。

⚠️ 尽管 Microsoft 对 Recall 功能进行了调整,例如改为可选启用和允许随时暂停,但 Signal 认为该功能仍然存在隐私风险,因此采取了主动防御措施。

⚙️ 用户可以在 Signal 设置的隐私选项中手动关闭“屏幕安全”功能,但系统会弹出警告提示,需要用户确认操作,以避免误操作。

Signal said today that it is updating its Windows app to prevent the system from capturing screenshots, thereby protecting the content that is on display.

The company said that this new “screen security” setting is enabled by default on Windows 11. Signal said that this new feature is designed to protect users’ privacy from Microsoft’s Recall feature, which was announced last year. Recall captures screenshots of the system continuously to remember all of your activities, so you can scroll back in time to remember what you were looking at.

While the company paused the rollout of the feature last year after backlash, Microsoft started testing it again in April through the Windows Preview Channel. Microsoft has made the feature opt-in and has also added a way to pause it anytime. Signal said that despite these changes, the feature still captures content that may be sensitive.

Signal said that when you are trying to take a screenshot with the new screen security setting enabled, you will just get a blank screen.

The company also warned that when the setting is enabled, some functions, such as screen readers, might not work as intended. You can turn off the setting through Signal Settings > Privacy > Screen security.

The app will show you a warning when you are trying to disable this option, and you will have to click on Confirm to complete the action. This is to prevent you from accidentally turning the feature off while trying to adjust other settings.

“We hope that the AI teams building systems like Recall will think through these implications more carefully in the future. Apps like Signal shouldn’t have to implement a “one weird trick” in order to maintain the privacy and integrity of their services without proper developer tools,” Signal said in a blog post.

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Signal Windows应用 屏幕安全 隐私保护 Recall功能
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