
"We are not so different, you and I. We've both spent our lives looking for weaknesses in one another's systems."
Cybersecurity Conference and Training
Ottawa's premier cybersecurity training and conference event is back for 2025. November 3-7
Ringzer0 COUNTERMEASURE 2025
Ringzer0 brings the best of offence and defense back to Canada’s capital in 2025. World-class trainers, internationally recognized speakers, cutting edge security research, government focus, community.
November 3 – 7, Ottawa, Canada.
In-Person Training (November 3-6)
Ringzer0 Countermeasure In-Person Training
Countermeasure’s in-person training delivers hands-on courses to match your experience and goals. Led by world-class instructors from the private sector, academia, and beyond, our training covers a wide spectrum of topics in both offensive and defensive security. Nov 3-6.

Virtual Training (October 26 - November 1)
Ringzer0 Countermeasure Virtual Training
Can’t make it to Ottawa? No problem. With Ringzer0 Countermeasure’s Virtual Training, you can learn from top-tier instructors from the comfort of your own home. Oct 26 - Nov 1