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Chaos Communication Congress,High,Yes,Mixed,Talks|Workshops|CTF|Villages,Partial,TBD,TBD,TBD,TBD,2026-12-27,2026-12-30,Hamburg,Germany,https://events.ccc.de/en/calendar/,,,,In-Person,Europe/Berlin,40C3 40th edition Dec 27-30 2026 Hamburg Messe Messeplatz 1; annual congress of Chaos Computer Club CCC; four days talks workshops assemblies; 39C3 Dec 2025 CCH theme Power Cycles; CfP historically on frab.cccv.de opens ~Sep deadline TBD for 40C3; https://www.ccc.de/,2026-06-01,Mostly Fixed
CODE BLUE,High,Yes,Industry,Talks|Trainings,Yes,09-01,TBD,TBD,TBD,2024-11-01,2024-11-30,Tokyo,Japan,https://codeblue.jp/,https://codeblue.jp/,,,In-Person,Asia/Tokyo,Added from requested 2024 conference list,2026-03-30,Unknown
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Code Blue Tokyo,High,Yes,Industry,Talks|Trainings,Unknown,03-31,03-31,TBD,TBD,2026-11-17,2026-11-18,Tokyo,Japan,https://codeblue.jp/en/cfp/training/,https://sessionize.com/CB26-TRAINING,,,In-Person,Asia/Tokyo,Training CFP closes March 31 2026 and main conference is in November,2026-03-30,Unknown
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Code Blue Tokyo,High,Yes,Industry,Talks|Trainings,Yes,07-31,03-31,TBD,TBD,2026-11-17,2026-11-18,Tokyo,Japan,https://sessionize.com/code-blue-2026,https://sessionize.com/CB26-TRAINING,,,In-Person,Asia/Tokyo,CODE BLUE 2026 in-person Nov 17-18 Belle Salle Takadanobaba Tokyo; main CFP closes Jul 31 2026 per sessionize.com/code-blue-2026; round-trip economy and 3-night hotel for speakers; training CFP CB26-TRAINING closed Mar 31; codeblue.jp,2026-06-17,Fixed
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Code Europe Krakow,Medium,Yes,Industry,Talks|Workshops,Yes,03-30,TBD,TBD,TBD,2025-06-30,2025-07-01,Krakow,Poland,https://www.codeeurope.pl/en/become-a-speaker,,,,In-Person,Europe/Warsaw,"Last Kraków edition Jun 30–Jul 1 2025 ICE Kraków (Marii Konopnickiej 17); prior Kraków dates May 22–23 2023 and Jun 10–11 2024 per Crossweb; CfP closed Mar 30 2025 per cfp.watch (form on codeeurope.pl); travel and hotel for speakers per CfP Watch. Code Europe 2026 moves to Warsaw Sep 14–15 2026 (Day 1 online CEE, Day 2 Stadion Legii) CfP open closes Jun 30 2026 per codeeurope.pl — track Warsaw separately if needed.",2026-06-01,Rotating
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CONFidence,High,Yes,Industry,Talks|Workshops|Villages|CTF,Partial,03-15,TBD,TBD,TBD,2026-05-25,2026-05-26,Krakow,Poland,https://confidence-conference.org/call-for-papers-what-are-we-looking-for/,,,,In-Person,Europe/Warsaw,26th edition May 25-26 2026 EXPO Kraków; ~2000 attendees Central Europe; tracks Offense Defense Future Tech Exec invite-only; Villages radio speedrunning CTF physical security; CFP closed Mar 15 2026; speakers free entry travel up to 1000 PLN; Proidea organizer; hackable badge; Oh My Hack partner discount CONFI_OMH_10; https://www.linkedin.com/showcase/confidence-conference/,2026-06-01,Fixed
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CrikeyCon,Low,No,Industry,Talks|Workshops|CTF|Villages,Unknown,TBD,TBD,TBD,TBD,2026-03-21,2026-03-21,Brisbane,Australia,https://crikeycon.com/,,,,In-Person,Australia/Brisbane,CrikeyCon 11 Mar 21 2026 Royal International Convention Centre Brisbane; community nonprofit South-East Queensland; workshops CTF PACs Meshtastic CrikeyConnect careers village; excess profits to charity AUD 200k+; 2026 concluded; annual series typically March watch crikeycon.com; crikeycon@crikeycon.com; https://www.linkedin.com/company/crikeycon/,2026-06-01,Fixed
DEF CON,High,Yes,Industry,Talks|Workshops|Trainings,Unknown,05-01,01-12,05-01,TBD,2026-08-06,2026-08-09,Las Vegas,United States,https://defcon.org/html/defcon-34/dc-34-cfp.html,https://training.defcon.org/pages/2026-las-vegas-call-for-trainers,https://defcon.org/html/defcon-34/dc-34-cfw.html,https://defcon.org/html/links/get-involved.html,In-Person,America/Los_Angeles,DEF CON 34 Aug 6-9 2026 Las Vegas Convention Center; CFP and CfW both closed May 1 2026 midnight UTC (4h workshops via OpenConf); CFT closed 01-12; demo labs CFI at dc-34-cfi.html,2026-06-01,Mostly Fixed
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DEF CON Bahrain,Low,Yes,Industry,Trainings|Talks,Unknown,TBD,TBD,TBD,TBD,2026-11-11,2026-11-12,Manama,Bahrain,https://defcon.org/html/defcon-bahrain/dc-bahrain-index.html,https://training.defcon.org/,,,In-Person,Asia/Bahrain,Official DEF CON homepage lists DEF CON Middle East conference dates (Nov 11-12 2026) and training window (Nov 8-10),2026-03-30,Mostly Fixed
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DEF CON Singapore,High,Yes,Industry,Talks|Trainings,Unknown,02-15,11-10,TBD,TBD,2026-04-28,2026-04-30,Singapore,Singapore,https://defcon.org/html/defcon-singapore/dc-singapore-index.html,https://training.defcon.org/pages/2026-singapore-call-for-trainers,,,In-Person,Asia/Singapore,Official DEF CON site lists conference dates Apr 28-30 2026 with CFP deadline 02-15 and Singapore CFT close 11-10,2026-03-30,Unknown
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DefCamp Cluj/Bucharest,High,Yes,Industry,Talks|Trainings|Workshops,Unknown,06-15,TBD,TBD,TBD,2026-11-12,2026-11-13,Bucharest,Romania,https://def.camp/call-for-papers/,https://sessionize.com/defcamp-2025,https://def.camp/,,In-Person,Europe/Bucharest,Estimated from 2025 official DefCamp pattern: Bucharest main event in mid-November with rolling CFP windows starting 06-15,2026-03-30,Mostly Fixed
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DefCamp,High,Yes,Industry,Talks|Trainings|Workshops,Yes,06-15,TBD,TBD,TBD,2026-11-19,2026-11-20,Bucharest,Romania,https://sessionize.com/defcamp-2026,,,,In-Person,Europe/Bucharest,16th edition Nov 19-20 2026 Palace of Parliament Bucharest; 2200+ attendees 50+ countries; CFP open three waves Jun 15 Aug 30 Oct 15 2026 per sessionize.com/defcamp-2026; travel and accommodation covered for selected speakers; def.camp,2026-06-17,Mostly Fixed
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DeveloperWeek,High,Yes,Industry,Talks|Workshops,Yes,10-13,TBD,TBD,TBD,2024-02-21,2024-02-29,San Francisco,United States,https://www.developerweek.com/,,https://www.developerweek.com/,,In-Person,America/Los_Angeles,Main 2024 CFP closed October 13 2023,2026-03-30,Unknown
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DevOpsDays Salt Lake City,Medium,Yes,Industry,Talks|Workshops,Unknown,TBD,TBD,TBD,TBD,2026-05-11,2026-05-12,Salt Lake City,United States,https://slcdevopsdays.org/,,https://slcdevopsdays.org/,,In-Person,America/Denver,Estimated from recent May editions (use as planning placeholder),2026-03-30,Unknown
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DIMVA,Medium,Yes,Academic,Talks,Unknown,02-18,,,TBD,2026-07-01,2026-07-03,Chania,Greece,https://www.dimva.org/dimva2026/,,,,In-Person,Europe/Athens,Two-cycle CFP and cycle 2 submission deadline Feb 18 with LNCS page limits,2026-03-30,Rotating
OWASP BeNeLux Days,Medium,Unknown,Mixed,Talks|Trainings|Workshops,Unknown,TBD,TBD,TBD,TBD,2026-11-26,2026-11-27,Amsterdam,Netherlands,https://2026.owaspbenelux.eu/,,,,In-Person,Europe/Amsterdam,2026 Nov 26 conference Nov 27 training Amsterdam Netherlands; annual rotation Belgium Netherlands; free conference registration required €50 training; 2025 concluded Dec 2-3 Lamot Mechelen Belgium; CFP not published stay tuned on 2026 site; OWASP Belgium Netherlands chapters; https://www.linkedin.com/company/owasp-benelux-days/; https://www.owaspbenelux.eu/,2026-06-01,Rotating
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OWASP Frankfurt,Medium,No,Mixed,Talks|Workshops,Unknown,TBD,TBD,TBD,TBD,TBD,TBD,Frankfurt,Germany,https://owasp.org/www-chapter-frankfurt/,,https://owasp.org/www-chapter-frankfurt/,,In-Person,Europe/Berlin,Imported from provided conference history list,2026-03-30,Mostly Fixed
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OWASP Global AppSec Europe,High,Yes,Mixed,Talks|Trainings|Workshops,Unknown,02-03,12-12,TBD,TBD,2026-06-22,2026-06-26,Vienna,Austria,https://sessionize.com/owasp-global-appsec-eu-2026-cfp-wash/,https://sessionize.com/owasp-global-appsec-2026EU/,,,In-Person,Europe/Vienna,Merged EU series row (Lisbon 2024 + Barcelona 2025 + Vienna 2026); using latest verified cycle details,2026-03-30,Rotating
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OWASP Global AppSec USA 2026,High,Yes,Mixed,Talks|Trainings|Workshops,Unknown,06-29,04-01,TBD,TBD,2026-11-05,2026-11-06,San Francisco,United States,https://sessionize.com/owasp-global-appsec-us-2026-cfp-SF/,https://sessionize.com/owasp-global-appsec-USA-SF-2026-c/,,,In-Person,America/Los_Angeles,OWASP 25th anniversary 2026 USA largest US AppSec conference; conference Nov 5-6 trainings Nov 2-4 Hyatt Regency San Francisco Embarcadero Center 5; CFP https://sessionize.com/owasp-global-appsec-us-2026-cfp-SF/ open closes Jun 29 2026 23:59 PDT opened Apr 8; notifications week of Jul 27 2026 program week of Aug 3 2026; 45 min talks plus 5-10 min Q&A blind review no AI-generated submissions free for speakers; tracks planning-design implementation testing deployment-maintenance process-culture OWASP project showcase demo room; CfT closed Apr 1 2026; register https://owasp.glueup.com/event/owasp-2026-global-appsec-usa-san-francisco-ca-167174/,2026-06-01,Rotating
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OWASP Global AppSec USA 2026,High,Yes,Mixed,Talks|Trainings|Workshops,Unknown,06-29,04-01,TBD,TBD,2026-11-05,2026-11-06,San Francisco,United States,https://sessionize.com/owasp-global-appsec-us-2026-cfp-SF/,https://sessionize.com/owasp-global-appsec-USA-SF-2026-c/,,,In-Person,America/Los_Angeles,OWASP 25th anniversary Global AppSec US Nov 5-6 2026 Hyatt Regency San Francisco Embarcadero; trainings Nov 2-4; CFP sessionize.com/owasp-global-appsec-us-2026-cfp-SFcloses Jun 29 2026 23:59 PDT; notifications week of Jul 27 program Aug 3; 45 min talks blind review; CfT closed Apr 1 2026; register owasp.glueup.com/event/owasp-2026-global-appsec-usa-san-francisco-ca-167174/,2026-06-17,Rotating
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OWASP Global AppSec USA 2027,High,Yes,Mixed,Talks|Trainings|Workshops,Unknown,TBD,TBD,TBD,TBD,2027-09-20,2027-09-24,Atlanta,United States,https://owasp.org/events/,,,,In-Person,America/New_York,OWASP Global AppSec USA 2027 Atlanta GA Sep 20-24 2027 per OWASP Foundation events calendar; US flagship rotates after 2026 San Francisco Nov 2025 Washington DC; venue CfP CfT GlueUp registration not yet published Jun 2026; expect trainings plus conference days similar to prior USA editions; watch owasp.org/events and globalappsec.org,2026-06-01,Rotating
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OWASP Global AppSec Washington DC,High,Yes,Mixed,Talks|Trainings|Workshops,Unknown,06-24,03-16,TBD,TBD,2025-11-06,2025-11-07,Washington DC,United States,https://sessionize.com/owasp-global-appsec-USA-2025-cfp2,https://sessionize.com/owasp-global-appsec-us-2025-cft,https://globalappsec.org/,,In-Person,America/New_York,Official Sessionize pages show CFP closed June 24 2025 and CfT closed March 16 2025; conference Nov 6-7 with training Nov 3-5,2026-03-31,Rotating
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OWASP LASCON,Medium,Yes,Industry,Workshops,Unknown,06-08,06-08,TBD,TBD,2026-10-29,2026-10-30,Austin,United States,https://sessionize.com/owasp-lascon-2026/,https://sessionize.com/owasp-lascon-2026-training/,,,In-Person,America/Chicago,Talks CFP Sessionize owasp-lascon-2026 closes Jun 8 2026 23:59 CDT opens Apr 1; training CFP sessionize.com/owasp-lascon-2026-training/ closes Jun 8 2026; trainings Oct 27-28 conference talks Oct 29-30 Norris Conference Center Austin; trainer payout per Sessionize; no travel comp for trainers,2026-06-01,Mostly Fixed
@@ -183,3 +183,4 @@ Wild West Hackin' Fest,Medium,Unknown,Industry,,Unknown,06-06,TBD,TBD,TBD,2026-1
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World Conference on Cyber Security and Ethical Hacking,Low,Yes,Academic,Talks,Yes,09-28,,,TBD,2024-10-23,2024-10-24,Tokyo,Japan,https://waset.org/,,,,In-Person,Asia/Tokyo,Added from requested 2024 conference list,2026-03-30,Unknown
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x33fcon,High,No,Industry,Talks|Trainings|Workshops,Unknown,02-02,01-12,02-02,TBD,2026-06-11,2026-06-12,Gdynia,Poland,https://www.papercall.io/x33fcon-conference-2026,https://www.papercall.io/x33fcon-training-2026,https://www.papercall.io/x33fcon-workshops-2026,,In-Person,Europe/Warsaw,x33fcon 2026 10th edition purple teaming red-blue collaboration; conference Jun 11-12 trainings Jun 8-10 Gdynia Aleja Zwyciestwa 96/98 and online tickets via Konfeo; PaperCall CFP talks closed Feb 2 2026 UTC CFT Jan 12 workshops Feb 2; 40 min talks 1-3 day trainings 1-3 hr workshops; tickets early bird sold out last-minute until May 31 2026; GoUp4 organizer; https://x33fcon2026.konfeo.com/; https://www.linkedin.com/company/x33fcon/,2026-06-01,Mostly Fixed
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SLEUTHCON,Medium,Yes,Mixed,,Unknown,04-17,TBD,TBD,TBD,2026-06-05,2026-06-05,Arlington,United States,https://www.sleuthcon.com/,,,,Hybrid,America/New_York,One-day cybercrime and financially-motivated threats forum Jun 5 2026 Hyatt Regency Crystal City Arlington; hybrid ~500 in-person ~500+ virtual; CFP closed Apr 17 2026 email submissions per sleuthcon.com/submission-guidelines; Thomas Roccia keynote; https://www.linkedin.com/company/sleuthcon/,2026-06-05,Mostly Fixed
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NIC 2026,Medium,Unknown,Industry,Talks,Yes,08-10,TBD,TBD,TBD,2026-10-14,2026-10-15,Oslo,Norway,https://sessionize.com/nic-2026,,,,In-Person,Europe/Oslo,Nordic IT pro conference Oct 14-15 2026 Oslo Spektrum; masterclasses Oct 13; cloud automation security DevOps AI; 60 min English talks levels 300-400; CFP closes Aug 10 2026 per sessionize.com/nic-2026; travel and accommodation covered economy class; nicconf.com,2026-06-17,Fixed
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