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Oslo, Norway
Jan Petter Nilsen is a Director in EY’s Cybersecurity practice in Norway, where he focuses on developing and strengthening technical cybersecurity services. He combines deep technical expertise with strategic advisory experience. He advises CISOs and security leaders on prioritization, sourcing and long-term security roadmaps, and supports major client engagements as a senior advisor and technical lead. He has supported clients during high-impact cyber incidents and provides advisory across resilience, detection and response.
Prior to joining EY, he held multiple leadership roles within offensive and defensive security, where he built and led multidisciplinary cybersecurity teams and mature service offerings. He brings extensive hands-on experience from real-world cyber incidents and complex investigations.
How Jan Petter is shaping the future with confidence
Jan Petter helps organizations become more resilient in a rapidly changing threat landscape. He supports clients in moving from reactive security toward proactive and intelligence-driven practices by combining real incident experience, threat insight and practical security improvements.
By translating technical risk into clear priorities and concrete actions, he enables leaders to make confident and well-informed security decisions. He is particularly focused on strengthening preparedness and response capabilities so organizations can manage serious incidents in a structured and effective way.
His ambition is to leave clients better prepared and more confident in handling cyber risk, contributing to a more secure and trusted digital environment.