REPORT
The 25x Remediation Gap: See how elite security teams resolve risks in 10 days vs. 249
REPORT
The 25x Remediation Gap: See how elite security teams resolve risks in 10 days vs. 249

Mircea Mare

Mircea Mare has been part of the Cobalt Core team since 2019. He has over 10 years of experience building web applications and APIs as a software engineer, and he performs penetration tests and secure code reviews with an emphasis on authentication and access control. He has implemented OAuth solutions extensively in web apps and writes a newsletter on Ruby on Rails security and architecture.

The Hidden Cost of Client-Side Convenience

January 14, 2026
Est Read Time: 5 min
Analysis revealed that Keycloak authentication artifacts (Access and ID tokens) are being serialized directly into the...
Cobalt Core