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Compromised CA Keys, Revoked Certificates – How Do We Verify That Revocation Really Works

Sascha Block2026-11-02T17:49:45+01:00Categories: IT Security|Tags: Auditability, Browser Security, CA Bundle, Certificate Authorities, Certificate Authority, Certificate Chains, Certificate Forgery, Certificate Revocation, Certificate Revocation List, Certificate Transparency, Certificate Validation, Code Signing, Code Signing Certificates, Compromised CA Keys, Compromised Private Keys, CRL, Cryptographic Keys, Cryptographic Vulnerabilities, CT Logs, curl, Cybersecurity, CycloneDX, digital certificates, Digital Signatures, Digital sovereignty, Digital Trust, eMudhra, eMudhra Security Incident, Git, Git-native Evidence, HTTPS, Identity Spoofing, Intermediate CA, IT Security, JetBrains, Key Generation, MacOS, Malware, Man-in-the-Middle, MITM, OCSP, Open Source Security, PKI, Public Key Infrastructure, Reproducible Security Testing, Revocation, Root CA, Root Store, Rust, rustls, rustls-webpki, SBOM, Secure by Design, Security Evidence, Security-by-Design, Software Signatures, Software Supply Chain, Supply Chain Security, TLS, TLS certificates, TLS Trust Validation, Trust Anchor, Trust Store, webpki-roots, Website Impersonation, X.509, Zero Trust|

Compromised CA Keys, Revoked Certificates - How Do We Verify That Revocation Really Works - eMudhra Security Incident: Eight compromised CA keys raise a fairly fundamental question for many of us in October 2026: "What's the point of revoking a certificate if applications keep trusting it anyway?"

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Confidential computing – technological foundations and challenges

Sascha Block2024-05-21T18:30:05+02:00Categories: Cloud Computing & Cloud Technology, Unkategorisiert|Tags: Authentication, Cloud, Cloud services, Cloud services, Cloud technologies, Cloud technology, Confidential cloud computing, Confidential Computing, Design Pattern, Hardware Secure Modules, HSM, IT Security, Privacy, Program Microservice, Secure Enclaves, Software Architecture, Software Design, Software Design, Software development, Trusted Execution Environments|

Confidential computing - this term sounds pompous at first, but it is a decisive factor when it comes to ensuring the security and confidentiality of our data in the cloud. But what exactly do we mean by confidential computing? In this article and our Rock the Prototype podcast episode, we look at various technologies that play a role in the context of confidential computing. I will illustrate how Trusted Execution Environments or Multi-Party Computation, Zero-Knowledge Proofs and other exciting technologies help to create a more secure environment for our data.

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