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Sleepwalker: New Passive Backdoor Uses Custom Command Language

Researchers unveil 'Sleepwalker,' a stealthy backdoor malware that evades detection by using a unique, encrypted command and control language.

29 Aug 2026

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CybersecurityAug 29

GrapheneOS Ditches Pixel 11 Support for Hardware Memory Tagging

GrapheneOS removes support for Pixel 11's Memory Tagging, citing reliability and security concerns with the hardware.

●Builder Action:Developers relying on MTE for debugging memory corruption issues on Pixel 11 with GrapheneOS will need to find alternative debugging strategies. GrapheneOS's robust software mitigations remain, but the hardware-assisted MTE capabilities are now offline. This decision highlights the importance of validating hardware security features in real-world, hardened OS environments.

CybersecurityAug 29

US Sanctions Target A/I Collective Researchers and Companies

US government action against A/I Collective raises complex questions about AI ethics, national security, and the future of research.

●Builder Action:Developers working on advanced AI models should monitor U.S. government pronouncements on AI sanctions and export controls. Be aware that certain research directions or applications may face increased scrutiny, potentially impacting collaboration and open-source contributions. Consider how to architect AI systems for compliance and security from the outset.

CybersecurityAug 29

Signed Compute Receipts Can Be Forged; A Single Field Prevents It

Cryptographic signatures on cloud compute usage receipts are insufficient. The `compute_ledger_id` is the crucial, overlooked field.

●Builder Action:Developers must update their receipt verification logic to ensure the `compute_ledger_id` is part of the signed data payload. Relying solely on detached cryptographic signatures is insufficient. Integrating the ComputeLedger CLI tools or adopting the receipt format ensures receipts are truly tamper-evident, preventing forged usage records.