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Secure Boot

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IT Services Circle
IT Services Circle
Jul 13, 2023 · Information Security

Manual Mitigation Steps for BlackLotus UEFI Bootkit (CVE‑2023‑24932) and Microsoft’s Three‑Phase Update Strategy

This article explains the BlackLotus UEFI bootkit (CVE‑2023‑24932), outlines Microsoft's three‑phase remediation strategy, details the KB5025885 and KB5028166/KB5028185 updates, provides a simplified registry command for manual activation, and warns of compatibility issues for legacy boot managers.

BootkitCVE-2023-24932Information Security
0 likes · 6 min read
Manual Mitigation Steps for BlackLotus UEFI Bootkit (CVE‑2023‑24932) and Microsoft’s Three‑Phase Update Strategy
Architects' Tech Alliance
Architects' Tech Alliance
Apr 6, 2023 · Information Security

Key Chip‑Level Security Technologies for the Internet of Things

The article explains the security challenges of IoT deployments and describes chip‑level protection methods such as TPM, Secure Boot, Trusted Execution Environments, and hardware‑based trusted computing mechanisms like ARM TrustZone, Intel TXT, and AMD PSP, highlighting their roles in building a trustworthy IoT architecture.

ARM TrustZoneIoT SecuritySecure Boot
0 likes · 10 min read
Key Chip‑Level Security Technologies for the Internet of Things
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Sep 16, 2022 · Information Security

Overview of TrustZone‑Based SoC Components and CryptoCell Architecture

The article outlines ARM TrustZone‑enabled SoC components and the CryptoCell architecture, describing its two product families (700 and 300), hardware modules for symmetric and asymmetric cryptography, secure key slots, the CRYS software library, and their roles in secure‑boot, lifecycle management, debugging and data protection.

ARMCryptoCellSOC
0 likes · 8 min read
Overview of TrustZone‑Based SoC Components and CryptoCell Architecture
Architects' Tech Alliance
Architects' Tech Alliance
May 16, 2020 · Information Security

Understanding Secure Boot, Trusted Boot, Intel SGX, and ARM TrustZone

This article explains the concepts of secure boot and trusted boot, discusses their limitations on general-purpose devices, and compares the application workflows and security properties of Intel SGX and ARM TrustZone, highlighting practical usage scenarios such as DRM-protected media.

ARM TrustZoneInformation SecurityIntel SGX
0 likes · 10 min read
Understanding Secure Boot, Trusted Boot, Intel SGX, and ARM TrustZone