Cybersecurity conferences in Europe

#	Conference	Companies	New	Returning	Packages from
1	1. Fraud Leaders' Summit Nov 3–4, 2026 · Cannes, France	98companies
2	2. secIT by heise Mar 9–11, 2027 · Hannover, Germany	91companies
3	3. ISS World Europe Jun 1–3, 2027 · Prague, Czech Republic	66companies
4	4. Infosecurity Europe Jun 8–10, 2027 · London, United Kingdom	63companies
5	5. Cyber Security World Madrid Nov 4–5, 2026 · Madrid, Spain	49companies
6	6. it-sa Expo&Congress Oct 27–29, 2026 · Nuremberg, Germany	44companies			fromEUR 256
7	7. Barcelona Cybersecurity Congress Nov 3–5, 2026 · Barcelona, Spain	32companies
8	8. Cyber Security & Cloud Expo Europe Oct 19–20, 2027 · Amsterdam, Netherlands	29companies	+4new	63%returning
9	9. PMRExpo Nov 24–26, 2026 · Cologne, Germany	26companies
10	10. SicherheitsExpo Berlin Sep 17–18, 2025 · Berlin, Germany	25companies
11	11. OffensiveCon Berlin May 15–16, 2026 · Berlin, Germany	19companies
12	12. Modern Workplace Conference Paris Jun 23–24, 2026 · Paris, France	17companies
13	13. Perimeter Protection Jan 19–21, 2027 · Nuremberg, Germany	16companies
14	14. BSides Amsterdam Nov 19, 2026 · Amsterdam, Netherlands	15companies
15	15. GreHack Nov 13–14, 2026 · Grenoble, France	14companies
16	16. ASIS Europe Mar 3–5, 2027 · Liverpool, United Kingdom	13companies
17	17. DefCamp Nov 19–20, 2026 · Bucharest, Romania	13companies
18	18. Global Cyber Conference Jun 21–23, 2027 · Geneva, Switzerland	13companies
19	19. Concordance Club Dec 10, 2026 · Paris, France	12companies
20	20. Black Hat Dec 7–10, 2026 · London, United Kingdom	11companies		92%returning
21	21. DACHsec: Cyber Security Summit Apr 14–15, 2027 · Frankfurt, Germany	11companies
22	22. SicherheitsExpo München Jul 1–2, 2026 · Munich, Germany	11companies
23	23. BSides Cheltenham Oct 3, 2026 · Cheltenham, United Kingdom	10companies
24	24. National Cyber Security Show Apr 27–29, 2027 · Birmingham, United Kingdom	10companies
25	25. Security Event Apr 27–29, 2027 · Birmingham, United Kingdom	10companies
26	26. ACM CCS Nov 15–19, 2026 · The Hague, Netherlands	9companies			from$3,000 (currency not stated)
27	27. IT Security Summit Nov 30–Dec 4, 2026 · Munich, Germany	9companies
28	28. APS - Le salon des professionnels de la sûreté et de la sécurité Sep 28–30, 2027 · Paris, France	7companies
29	29. Cyberhagen Sep 17, 2026 · Copenhagen, Denmark	6companies
30	30. NDC Manchester Dec 1–4, 2025 · Manchester, United Kingdom	6companies
31	31. AI Identity Summit Amsterdam May 28, 2026 · Amsterdam, Netherlands	5companies
32	32. Cybersecurity Summit Apr 21–22, 2027 · Hamburg, Germany	5companies
33	33. OpenSSF Community Day Europe Oct 6, 2026 · Prague, Czech Republic	5companies
34	34. MAST Defence & Resilience Malta Nov 25–27, 2026 · Valletta, Malta				fromEUR 3,000
35	35. swampUP Europe Oct 20–22, 2026 · Barcelona, Spain				from$8,000 (currency not stated)
36	36. Cloud Identity Summit Nov 3, 2026 · Frankfurt, Germany

Companies: sponsors and exhibitors on each event’s current edition, read from its own directory, sponsor page or prospectus. New: not listed at the previous edition. Returning: share of the previous edition’s companies listed again.