Cybersecurity’s Tier A circuit is spread across Germany, France, the UK and Italy with no single dominant show – it-sa in Nuremberg leads by attendance, but Forum InCyber, Infosecurity Europe and Cybertech Europe are all comparable in scale and reach different national buyer bases.
1Rank
Identity and access, cloud security, OT security 27 Oct 2026, Nuremberg 28,260 attendees
Germany's largest IT security trade fair, covering the full range of enterprise and industrial cybersecurity.
Why it is hereThe deepest German enterprise-security buyer audience.
2Rank
Cloud security, AI agents, connectivity 30 Jun 2026, Berlin 21,000 attendees
The European edition of GITEX, with a large cybersecurity hall alongside its AI and cloud programming.
Why it is hereReaches a broader enterprise-tech buyer, not security specialists only.
3Rank
Identity and access, OT security, threat intelligence 9 Mar 2027, Lille 18,200 attendees
One of Europe's leading cybersecurity forums, with strong government and critical-infrastructure attendance.
Why it is hereBest reach into public-sector and critical-infrastructure security buyers.
4Rank
Application security, cloud security, threat intelligence 8 Jun 2027, London 13,000 attendees
The UK's leading information-security trade show and conference.
Why it is hereThe largest dedicated security audience in the UK market.
5Rank
Cloud security, OT security, threat intelligence 13 Oct 2026, Rome 10,000 attendees
A cybersecurity conference with strong defence, government and critical-infrastructure attendance.
Why it is hereThe strongest Italian and Mediterranean security-buyer audience.
European Cyber Week and Cybersec Europe round out the Tier A list, both under 10,000 attendees but with focused threat-intelligence and OT-security programming.
Which is the biggest cybersecurity event in Europe?
it-sa Expo&Congress in Nuremberg, Germany's largest IT security trade fair, at 28,260 attendees.
Which event has the strongest government and critical-infrastructure audience?
Forum InCyber Europe in Lille, which draws heavily from the public sector and OT/industrial security community.