Sign messenger has rolled out a brand new safety function in its Home windows Desktop app to defend customers’ messages from Microsoft’s Recall device, an AI-powered Home windows 11 function that data and indexes person exercise.
The replace prevents Recall from capturing screenshots of the Sign app window, with the corporate citing issues over the safety dangers posed by such steady display screen recording. Customers can nonetheless choose to disable the function by adjusting their privateness settings throughout the app.
Recall works by taking screenshots roughly each three seconds and storing them in a searchable native database. Privateness and safety practitioners rapidly warned of the undue dangers Recall created for Home windows customers, in addition to the choice platforms that work together with them.
Sign’s workaround for Recall
Sign raised issues concerning the lack of developer-level controls in Home windows 11, noting that privacy-focused apps are left with no commonplace strategy to choose out of Recall.
To deal with this, the corporate applied a workaround utilizing a Digital Rights Administration setting — generally used to dam display screen captures on streaming or media functions — to limit Recall from logging what seems on Sign’s desktop interface.
The DRM-based block minimizes the possibility of customers having their personal Sign messages screenshot by Recall and of it completely indexing their personal messages. Nevertheless, it may well additionally trigger usability points, like impairing the performance of accessibility software program or archiving the messages they like to doc.
“Though Microsoft made a number of changes over the previous twelve months in response to important suggestions, the revamped model of Recall nonetheless locations any content material that’s displayed inside privacy-preserving apps like Sign in danger,” Sign officers wrote in a weblog submit on Might 21.
“In consequence, we’re enabling an additional layer of safety by default on Home windows 11 to be able to assist keep the safety of Sign Desktop on that platform although it introduces some usability trade-offs. Microsoft has merely given us no different choice.”
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Criticisms about Home windows 11 Recall function
Considerations surrounding the Home windows 11 Recall function are nothing new.
Upon Recall’s preliminary launch in Might 2024, its criticisms principally concerned the design of the product, resembling the way it was on by default and saved information in plaintext that may be simply accessed by apps with person system rights. Customers additionally had restricted choices by way of granular instruments to regulate what content material of their very own could be aggregated throughout the resolution’s stock of information.
In response to backlash, Microsoft pulled Recall out of Home windows 11 previews months after including it. In April 2025, it reintroduced a revamped model of Recall final month. Modifications embrace Recall now being an opt-in device relatively than one on by default, encryption to guard the database storing Recall information, and a few person controls limiting the type of content material it indexes.
Nonetheless, privateness consultants argue that vulnerabilities stay. Safety researcher Kevin Beaumont, who carried out a safety analysis evaluation of the reintroduced model of Recall, discovered that the device nonetheless captures delicate data and that its database will be decrypted utilizing commonplace Home windows authentication like a PIN or fingerprint scan.
Microsoft’s response
On the time of this writing, Microsoft has not publicly responded to inquiries about whether or not it plans to supply builders a proper API or mechanism to exclude their functions from Recall’s information seize in future updates.