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MSMichael Stepankin

Michael Stepankin

4 articles by Michael Stepankin.

Security — Safeguarding VS Code against prompt injections

Safeguarding VS Code against prompt injections

When a chat conversation is poisoned by indirect prompt injection, it can result in the exposure of GitHub tokens, confidential files, or even the execution of arbitrary code without the user’s explicit consent. In this blog post, we’ll explain which VS Code features may reduce these risks.

MSMichael StepankinMichael Stepankin·August 25, 2025Security
Security — Attacks on Maven proxy repositories

Attacks on Maven proxy repositories

Learn how specially crafted artifacts can be used to attack Maven repository managers. This post describes PoC exploits that can lead to pre-auth remote code execution and poisoning of the local artifacts in Sonatype Nexus and JFrog Artifactory.

MSMichael StepankinMichael Stepankin·January 22, 2025Security
Security — mTLS: When certificate authentication is done wrong

mTLS: When certificate authentication is done wrong

In this post, we’ll deep dive into some interesting attacks on mTLS authentication. We’ll have a look at implementation vulnerabilities and how developers can make their mTLS systems vulnerable to user impersonation, privilege escalation, and information leakages.

MSMichael StepankinMichael Stepankin·August 17, 2023Security