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OWASP
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Largest Web Security groups

1

HackMadrid %27

6,166 HackerMAD | Madrid,
Photo of HackMadrid %27Organized by José Luis Abia
2

SecTalks

4,717 Hackers | Sydney,
Photo of SecTalksOrganized by Pedram (pi3ch)
Sydney Sectalks Ninja Night returns!!!
3

OWASP Israel Chapter

4,313 Members | Tel Aviv-Yafo,
Photo of OWASP Israel ChapterOrganized by OWASP® Foundation
4

OWASP Cairo Chapter

4,143 Members | Cairo,
Photo of OWASP Cairo ChapterOrganized by OWASP® Foundation
ايجار اكسباندر
توسان للايجار
سيارة للايجار
5

Dallas Hackers Association

4,075 Hackers | Dallas,
Photo of Dallas Hackers AssociationOrganized by Wirefall
6

Silicon Valley Cybersecurity Meetup

3,983 Members | Santa Clara,
Photo of Silicon Valley Cybersecurity MeetupOrganized by Oguzhan Topgul
Container Security
Invisible Threats in AI Agents and Apps
Unofficial Guide Apple Private Compute
7

OWASP Bangalore Chapter

3,899 Members | Bangalore,
Photo of OWASP Bangalore ChapterOrganized by OWASP® Foundation
8

OWASP Northern Virginia Chapter

3,421 Members | Reston,
Photo of OWASP Northern Virginia ChapterOrganized by OWASP® Foundation
9

OWASP Sao Paulo Chapter

3,037 Members | São Paulo,
Photo of OWASP Sao Paulo ChapterOrganized by OWASP® Foundation
10

DEFCON Toronto (DC416)

2,966 Hackers | Toronto,
Photo of DEFCON Toronto (DC416)Organized by Nick Aleks
Show all
Newest Web Security groups
Monthly Techfast
4 Members
Started Jan 1 in Washington Crossing, us
Happy Hour at Oktane 2025 hosted by Stitchflow & Cerby
5 Members
Started Jan 1 in Las Vegas, us
Cybersecurity Training Program Online Information Session
19 Members
Started Jan 1 in North York, ca
Stockton-on-Tees Cybersecurity Meetup Group
14 Members
Started Jan 1 in Stockton-on-Tees, gb
Zero-Day Threats: Cybersecurity Symposium
5 Members
Started Jan 1 in Philadelphia, us
0xCoffee Cape Town
46 Members
Started Jan 1 in Cape Town, za