Securing Your
Cloud Journey
Trusted experts raising the bar in Cloud and Platform security.
Our services
Secure your cloud journey
Learn more ->Identify risks across your cloud estate through assessments, uncover weaknesses and present you with a tailored improvement plan.
Build and deliver secure, reliable, cloud and container platforms that meets business needs.
Measure control effectiveness and compliance by adopting governance and control frameworks to modern infrastructure.
Managed Cloud Security
Learn more ->Committed to ensuring continuous success and improvement of your cloud and platform security.
Overcome alert fatigue and inability to take action with tailored remediation advisory from our experts.
Expert capacity available when you need it, ready to work on executing remediation strategies or advising your team.
We are different
We are not your average consultancy company. We are a highly specialized boutique built with talent and quality in mind.
Delivering exceptional results through our team of industry-leading professionals.
Deeply rooted in our community, we prioritize local impact and foster a culture of giving back.
We share success with our team, offering competitive compensation and growth opportunities without external shareholder pressure.
We build trust through open communication with both employees and clients, fostering relationships that benefit all parties.
Customer stories
O3 Cyber delivered a two-day threat modeling class and workshop for our employees, providing high-quality content and engaging practical examples. This allowed our employees to learn the basics of threat modeling quickly and efficiently. The workshops not only facilitated learning but also kickstarted our internal threat modeling initiative, showing us how we could apply our newfound knowledge to our own systems.
O3C's approach to cybersecurity centers on a fundamental belief: they have a genuine interest in the customer's success. Coop Norway discovered this firsthand, recognizing a true partner dedicated to building a comprehensive cloud security approach tailored to Coop's needs and vision.
IT security in the financial industry is rapidly evolving. Artificial intelligence and machine learning have become an arms race between banks' security systems and attacks from criminal groups.
News and insights from our blog
View all our articlesThis year we attended KubeCon + CloudNativeCon Europe 2025 event in London.
As organizations scale their cloud infrastructure, securing assets efficiently becomes a critical challenge.
This article intends to share the personal view and experience of the author.
Listen to our podcast
Explore all our episodes
In this episode of the O3 Cloud Security Podcast, Håkon Sørum and Anja Olsen delve into the intricacies of cloud threat detection, discussing its differences from traditional detection methods, the importance of application-specific knowledge, and the evolving landscape of cybersecurity. Anja shares her journey in cybersecurity, her role at DNB, and insights into effective detection strategies, including the significance of risk-based alerting and community engagement. DNB Threat Report:https://www.dnb.no/okonomisk-radgiver/sikkerhet/trusler-og-trenderDetection Engineering Weekly: https://www.detectionengineering.net/ Detection at scale: detectionatscale.com Deathcon: https://deathcon.io/
In this episode of the O3C Cloud Security Podcast, host Håkon Sørum and guests Rami McCarthy and Olav Østbye delve into the intricacies of cloud security strategy. Rami shares his extensive background in cloud security, discussing his transition from consultancy to in-house roles and now to a vendor position. The conversation emphasizes the importance of visibility in cloud security, the need to understand the business context, and the critical steps for CISOs moving to the cloud. They explore the challenges faced by security leaders in navigating the evolving landscape of cloud security, the significance of identity and data security, and the need for democratizing security practices across organizations. The discussion also highlights the role of people in shaping security strategies and the future trends that will impact cloud security.You can find Rami at: https://www.linkedin.com/in/ramimac/ and https://ramimac.me/
In this episode Håkon has Olav and Karim on the podcast to discuss the upcoming season and some common challenges organizations face when using cloud services. Find us at: https://www.linkedin.com/company/o3cyber https://www.youtube.com/@o3cyber Host: www.linkedin.com/in/hakonsorum Guests: https://www.linkedin.com/in/karim-el-melhaoui https://www.linkedin.com/in/oestbye/