Microsoft made Recall available to all Copilot+ PC users in May 2025. Within days, Signal released "Screen security" to block Recall from capturing encrypted messages.
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Key Facts:
Availability: All Copilot+ PCs (except EEA, delayed for regulatory review)
Activation: Requires double opt-in during setup
Signal response: "Screen security" uses DRM to show black rectangles to any screen capture
Trade-off: Signal's approach blocks all screenshots, including accessibility tools
Availability: All Copilot+ PCs (except EEA, delayed for regulatory review)
Activation: Requires double opt-in during setup
Signal response: "Screen security" uses DRM to show black rectangles to any screen capture
Trade-off: Signal's approach blocks all screenshots, including accessibility tools
Signal stated it "does not trust that Microsoft's safeguards can be universally effective now or in the future." The same month, Penn's Office of Information Security issued a formal warning calling Recall an "unacceptable security, legality, and privacy" risk.
Sources: GeekWire · TechRepublic · Windows Forum
