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5-8 November 2026

Open Security Conference

Participant-led cybersecurity discussions on secure development, offensive testing, compliance and risk management.

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About this event

Open Security Conference (osco) is a people-centred international cybersecurity gathering run “from the community, for the community” using an Open Space format. No agenda is set in advance; participants co-create the program onsite based on their interests, questions, and challenges, alongside planned keynotes. The conference aims to reduce gatekeeping and welcome attendees across roles and experience levels, from developers championing security to security engineers, consultants, and CISO-like roles. Example topic areas include secure software lifecycle, penetration testing/red teaming, security games, usable security, continuous compliance, cloud/network security, and threat/risk management.

When

5-8 November 2026

4 days

Venue

SeminarZentrum Rückersbach

Rückersbach, Germany

Price

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