| *** | Feb 4-6 | General | ShmooCon 2005 | Washington, D.C. (USA) |
| *** | Feb 11-13 | General | CodeCon | San Francisco (USA) |
| *** | Feb 13-16 | Forensics | IFIP Working Group 11.9 Digital Forensics | Orlando (USA) |
| *** | Mar 21-24 | General | Bellua Cyber Security Asia 2005 | Jakarta (Indonesia) |
| *** | Mar 29-30 | General | ECCE - E-Crime and Computer Evidence. | Monaco |
| *** | Apr 6 | General | PRIMA 2005 - Privacy Respecting Incident Management. | Regensburg (Germany) |
| *** | Apr 8-10 | General | notacon - not another con. | Cleveland, Ohio (USA) |
| *** | Apr 23-24 | General | LayerOne 2005 | Los Angeles, California (USA) |
| *** | May 4-6 | General | CanSecWest | Vancouver (Canada) |
| *** | May 24-26 | General | Keynote Speech | Madrid/Barcelona (Spain) |
| *** | May 26 | General | ANAMARIS | Málaga (Spain) |
| *** | Jun 1 | General | Seguridad TIC en el ámbito empresarial:retos y soluciones | Málaga (Spain) |
| *** | Jun 3-5 | General | SUMMERCON | Austin, TX (USA) |
| *** | Jun 6-9 | General | Global IPv6 Summit 2005 | Barcelona (Spain) |
| *** | Jun 17-19 | General | RECON - Reverse Engineering and Exploit development. | Montreal, Quebec (Canada) |
| *** | Jun 15-17 | General | IEEE IA Workshop | West Point, New York (USA) |
| *** | Jul 21 | Honeynet | Spanish Honeynet Project & Botnets. | Barcelona (Spain) |
| *** | Jun 26-Jul 1 | General | FIRST - 17th Annual Forum of Incident Response and Security Teams Conference. | Singapore |
| *** | Jun 30 | General | Hackers at action - IT Security Conf. for Executives. | Mexico DF (Mexico) |
| *** | Jul 7-8 | General | DIMVA - Detection of Intrusions & Malware, and Vulnerability Assessment. | Vienna (Austria) |
| *** | Jun 20-25 | General | SANS London | London (UK) |
| *** | Jul 23-28 | General | BlackHat USA | Las Vegas, Nevada (USA) |
| *** | Jul 28-31 | General | What The Hack | Netherlands (EU) |
| *** | Jul 29-31 | General | DefCon | Las Vegas, Nevada (USA) |
| *** | Jul 31-Aug 5 | General | USENIX Security Symposium | Baltimore, MD (USA) |
| *** | Aug 9-11 | General | FBI InfraGard 2005 National Conference | Washington DC (USA) |
| *** | Aug 17-19 | General | DFRWS - Digital Forensics Research WorkShop. | New Orleans (USA) |
| *** | Aug 18-19 | General | SYSCAN'05 - Symposyum on Security & Asia Networking. | Singapore (ASIA) |
| *** | Aug 18-20 | General | XCon | Beijing (China) |
| *** | Sep 1-2 | General | SyScAN | Bangkok (Thailand) |
| *** | Sep 7-9 | General | RAID - Recent Advances in Intrusion Detection. | Seattle, Washington (USA) |
| *** | Sep 20-23 | General | NSPW - New Security Paradigms Workshop. | Lake Arrowhead, California (USA) |
| *** | Sep 21 | Forensics | Proactive & Reactive Forensics. | Madrid (Spain) |
| *** | Sep 24-26 | General | Toorcon | San Diego, CA (USA) |
| *** | Oct 1-2 | General | RUXCON | Sydney (Australia) |
| *** | Oct 3-8 | General | SANS Barcelona | Barcelona (Spain) |
| *** | Oct 13 | General | Web Application & Database Security | Mallorca (Spain) |
| *** | Oct 12-13 | General | IT Underground | Warsaw (Poland) |
| *** | Oct 13 | General | @System | Pisa (Italy) |
| *** | Oct 14-15 | General | hack.lu - Free convention/conference | Luxembourg |
| *** | Oct 17-18 | General | Black Hat Japan | Tokyo (Japan) |
| *** | Oct 19-20 | General | PAKCON | Karachi (Pakistan) |
| *** | Oct 24-30 | General | SANS Network Security | New Orleans, Louisiana (USA) |
| *** | Nov 7-12 | General | SANS Europe | Amsterdam (Netherlands) |
| *** | Nov 11 | General | WORM 2005 - 3rd Workshop on Rapid Malcode. | Fairfax, VA (USA) |
| *** | Nov 11-12 | General | PacSec | Tokyo (Japan) |
| *** | Nov 14-16 | General | SANS Security Leadership Essentials For Managers - US Training. | Baltimore, MD (USA) |
| *** | Nov 14-19 | General | SANS Inner Harbor - US Training. | Baltimore, MD (USA) |
| *** | Nov 15-16 | Hacking | Hacking and Securing SQL Server and .NET Web Applications | Monterrey (Mexico). |
| *** | Nov 17-18 | General | SANS Writing Secure Web Applications - Developer Training. | Baltimore, MD (USA) |
| *** | Nov 21-22 | General | SANS Hands On Technical Workshop - US Training. | Boston, MA (USA) |
| *** | Nov 23 | General | Identity Theft and the PCI Security Standards | Mexico City (Mexico). |
| *** | Nov 23-26 | General | Identity Theft and Hacking Threats | Oaxaca (Mexico) |
| *** | Nov 29 | Hacking | Ethical Hacking and Penetration Testing | Mexico City (Mexico). |
| *** | Nov 29-30 | General | PAKCON II - Pakistan's Cyber Security Convention. | Karachi (Pakistan) |
| *** | Nov 29-30 | General | IT Underground | Berlin (Germany) |
| *** | Dec 1 | General | Hackers in Action | Mexico D.F. (Mexico) |
| *** | Dec 04-09 | General | SANS CDI West - US Training. | San Diego, CA (USA) |
| *** | Dec 12-17 | General | SANS Toronto - International Training. | Toronto (Canada) |
| *** | Dec 15 | General | Metro Olografix CryptoMeeting |
| *** | Dec 15-16 | General | EC2ND - 1st European Conference on Computer Network Defence. | Univ. of Glamorgan (UK) |
| *** | Dec 27-30 | General | 22C3 - 22nd Chaos Communication Congress | Berlin (Germany) |