Stian Kristoffersen
Lead Security Engineer at Telenor
Oslo, Norway
Summary
🤩
Rockstar🎓
Top SchoolStian Kristoffersen is a Lead Security Engineer with 11 years of hands-on experience designing and securing cloud-native infrastructure and applications, now based in Oslo. With a Master’s in Industrial Mathematics, he combines rigorous analytical thinking with practical engineering, shaping security programs at organizations from startups to large enterprises like Telenor, Schibsted and Norges Bank Investment Management. He has a track record of building cloud data platforms, founding and open-sourcing a secret manager for AWS, and leading security for mission-critical banking and retail platforms. Comfortable moving between hands-on implementation and strategic leadership, he has also spoken publicly on the security of machine learning—bridging data, cloud and application security. Known for starting impactful projects (Strongbox) and mentoring engineers, he delivers pragmatic, auditable solutions that scale across complex public-cloud environments.
11 years of coding experience
10 years of employment as a software developer
Norwegian University of Science and Technology
Github Skills (29)
secret-management10
java10
secrets-manager10
aws10
serverless10
vulcan9
cve8
pypi8
artifactory7
vulnerability7
security7
sca7
vulnerabilities7
security-vulnerability6
database6
Programming languages (3)
Github contributions (5)
schibsted/strongbox-examples
Sep 2017 - Feb 2023
Usage examples for Strongbox
Contributions:4 PRs, 10 pushes, 5 branches in 5 years 6 months
strongbox
schibsted/artishock
Mar 2021 - Jan 2022
A tool to investigate Dependency Confusion in Artifactory
Contributions:1 release, 9 reviews, 8 commits in 10 months
artifactorypypinpminvestigateconfusion-detection
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