// Calendar

Events

Meetups, CTFs and conferences.

upcoming

total

Upcoming

Aug

2026

CTF Online, Denmark

BrunnerCTF 2026

Brunnerne invites to another round of BrunnerCTF, a capture-the-flag event, with challenges for both beginners and advanced players. It runs online from August 21st to 23rd, 2026.

Sept

2026

Conference København

Industrial Security Conference Copenhagen

Konference om industrial security og cybersikkerhed

Sept

2026

Conference Copenhagen

Cybersikkerhed i den finansielle sektor

Konference om cybersikkerhed i den finansielle sektor med fokus på best practices, ekspertindlæg, videndeling, dialog og netværk.

Oct

2026

Conference Uoplyst

SektorForum LIVE! 2026

Konference om cybersikkerhed indenfor industrielle kontrolsystemer og kritisk infrastruktur generelt.

Oct

2026

Meetup Aarhus, Nicolinehus, Nicoline Koch Plads 31

CitySec Aarhus Q3 2026

Informal meetup for like-minded security professionals. No registration required — just show up. Beverages, snacks, and dinner provided.

Nov

2026

Meetup Aarhus, Nicolinehus, Nicoline Koch Plads 31

CitySec Aarhus Q4 2026

Informal meetup for like-minded security professionals. No registration required — just show up. Beverages, snacks, and dinner provided.

Nov

2026

Conference København, Ukendt venue

Cybersikkerhed for vandselskabers bestyrelse og topledelse

Risikoen for cyberangreb er stigende i samfundet, og det er en af de væsentlige risici, som forsyningsselskaberne står overfor som ejere af kritisk infrastruktur.

Mar

2027

Conference København

Nordic Cyber Summit 2027

En konference om cybersikkerhed i Norden, hvor eksperter og professionelle mødes for at diskutere nyeste udviklinger og udfordringer.

Past

20 Jun 2026

Conference

BSides Aarhus 2026

Aarhus, INCUBA Next, Katrinebjerg

20 May 2026

Meetup

CitySec Aarhus Q2 2026

Aarhus, Nicolinehus, Nicoline Koch Plads 31

6 May 2026

Conference

V2 Security 2026

København, Bella Center

15 Apr 2026

Conference

OT Security Summit 2026

Fredericia, Hotel Trinity & Konference Center

12 Mar 2026

Conference

Tech Hub Aarhus Day

Savværket, Søren Nymarks Vej 8A, 8270 Højbjerg

4 Mar 2026

Conference

Cyber Security Dagen 2026

København, DR Koncerthus og Aarhus, Savværket

11 Nov 2023

Conference

BSides København 2023

Copenhagen, Denmark

8 Nov 2023

Meetup

Aarhus CitySec 2023 #4

Aarhus Street Food, Aarhus

23 Aug 2023

Conference

Summerhack 2023

Denmark

17 Aug 2023

Meetup

Aarhus CitySec 2023 #3

Aarhus Street Food, Aarhus

2 Aug 2023

Conference

Bornhack 2023

Bornholm, Denmark

23 May 2023

Meetup

Aarhus CitySec 2023 #2

Aarhus Street Food, Aarhus

8 Apr 2023

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

27 Mar 2023

Meetup

OWASP Aarhus Chapter Meeting - March (Virtual)

Online

26 Mar 2023

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

15 Mar 2023

Meetup

Aarhus CitySec 2023 #1

Aarhus Street Food, Aarhus

11 Mar 2023

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

28 Feb 2023

Meetup

OWASP Aarhus Chapter Meeting - February

Aarhus, Denmark

26 Feb 2023

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

11 Feb 2023

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

31 Jan 2023

Meetup

OWASP Aarhus Chapter Meeting - January

Aarhus, Denmark

29 Jan 2023

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

1 Dec 2022

Meetup

OWASP Aarhus Chapter Meeting - November/December (Virtual)

Online

9 Nov 2022

Workshop

A Night of Collaboration, Secure Coding and Implementation

Copenhagen, Denmark

25 Oct 2022

Meetup

OWASP Aarhus Chapter Meeting - October

Aarhus, Denmark

13 Oct 2022

Meetup

Aarhus CitySec 2022 #2

Aarhus, Denmark

8 Oct 2022

Conference

BSides Copenhagen 2022

Copenhagen, Denmark

30 Aug 2022

Meetup

OWASP Aarhus Chapter Meeting - August

Aarhus, Denmark

13 Aug 2022

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

3 Aug 2022

Conference

Bornhack 2022

Bornholm, Denmark

26 Jun 2022

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

21 Jun 2022

Meetup

OWASP Aarhus Chapter Meeting - June

Aarhus, Denmark

24 May 2022

Meetup

OWASP Aarhus Chapter Meeting - May

Aarhus, Denmark

26 Apr 2022

Meetup

OWASP Aarhus Chapter Meeting - April

Aarhus, Denmark

26 Apr 2022

CTF

A Night of Hacking Talks - Spoofs and CTFs

Copenhagen, Denmark

9 Apr 2022

Meetup

Cryptoaarhus Meetup at Fairbar

Fairbar, Aarhus

29 Mar 2022

Meetup

OWASP Aarhus Chapter Meeting - March (Take 2)

Aarhus, Denmark

16 Mar 2022

Meetup

VSec & CitySec Aarhus Meetup at Hantwerk

Hantwerk, Aarhus

1 Mar 2022

Meetup

OWASP Aarhus Chapter Meeting - March

Aarhus, Denmark

17 Feb 2022

Meetup

Get-together: An Evening of War Stories

Copenhagen, Denmark

11 Dec 2021

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

28 Nov 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

23 Nov 2021

Meetup

OWASP Aarhus Chapter Meeting - November

Aarhus, Denmark

13 Nov 2021

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

31 Oct 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

16 Oct 2021

Meetup

OWASP Aarhus Chapter Meeting - October

Aarhus, Denmark

9 Oct 2021

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

5 Oct 2021

Workshop

Improhound Workshop + Talk

Copenhagen, Denmark

26 Sept 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

17 Sept 2021

Conference

BSides København 2021

Copenhagen, Denmark

11 Sept 2021

Meetup

Cryptoaarhus Meetup

Aarhus, Denmark

2 Sept 2021

Workshop

VSec Presents: The Importance of Collecting Your Own Data (Obsidian Workshop)

Online

1 Sept 2021

Conference

Sommerhack 2021

Denmark

30 Aug 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

19 Aug 2021

Workshop

VSec Presents: Introduction to Cyber Threat Intelligence

Online

19 Aug 2021

Conference

Bornhack 2021

Bornholm, Denmark

25 Jul 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

8 Jul 2021

Meetup

CitySec Meetup at Restaurant Martino

Restaurant Martino, Aarhus

1 Jul 2021

Workshop

Scale Security by Embracing Secure Defaults and Best-practices for DevSecOps

Online

27 Jun 2021

Meetup

Cryptohagen Meetup

Copenhagen, Denmark

20 May 2021

Meetup

How I Hacked the Largest Bank in Norway + Community Talk with Stu from the Many Hats Club

Online