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IT Security

Q&A for IT security professionals

Joined 2 years ago, last seen today

44,768 reputation

261156

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52 questions

984 answers

Cryptography

Q&A for software developers, mathematicians and others interested in cryptography

Joined 1 year ago, last seen today

8,004 reputation

826

badges

9 questions

240 answers

Academia

Q&A for academics and those enrolled in higher education

Joined 1 year ago, last seen 8 days ago

1,287 reputation

216

badges

4 questions

30 answers

Meta Stack Overflow

Q&A for meta-discussion of the Stack Exchange family of Q&A websites

Joined 2 years ago, last seen yesterday

1,253 reputation

1617

badges

5 questions

6 answers

Cross Validated

Q&A for statisticians, data analysts, data miners and data visualization experts

Joined 2 years ago, last seen 11 days ago

985 reputation

414

badges

11 questions

30 answers

Theoretical Computer Science

Q&A for theoretical computer scientists and researchers in related fields

Joined 2 years ago, last seen 2 days ago

544 reputation

213

badges

4 questions

15 answers

Stack Overflow

Q&A for professional and enthusiast programmers

Joined 1 year ago, last seen 2 days ago

477 reputation

416

badges

6 questions

38 answers

Ask Different

Q&A for power users of Apple hardware and software

Joined 11 months ago, last seen 2 days ago

393 reputation

319

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16 questions

9 answers

Computer Science

Q&A for students, researchers and practitioners of computer science

Joined 1 year ago, last seen 2 days ago

374 reputation

110

badges

2 questions

13 answers

Project Management

Q&A for project managers

Joined 8 months ago, last seen 19 days ago

297 reputation

badges

3 questions

2 answers

User Experience

Q&A for user experience researchers and experts

Joined 1 year ago, last seen 9 days ago

278 reputation

badges

2 questions

4 answers

Super User

Q&A for computer enthusiasts and power users

Joined 1 year ago, last seen today

241 reputation

badges

2 questions

4 answers

Mathematics

Q&A for people studying math at any level and professionals in related fields

Joined 1 year ago, last seen 7 days ago

240 reputation

badges

2 questions

2 answers

Programmers

Q&A for professional programmers interested in conceptual questions about software development

Joined 1 year ago, last seen 10 days ago

240 reputation

badges

0 questions

4 answers

Unix & Linux

Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.

Joined 1 year ago, last seen 1 month ago

161 reputation

badges

1 questions

1 answers

Software Quality Assurance & Testing

Q&A for software quality control experts, automation engineers, and software testers

Joined 1 year ago, last seen 15 days ago

158 reputation

badges

1 questions

2 answers

Database Administrators

Q&A for database professionals who wish to improve their database skills and learn from others in the community

Joined 10 months ago, last seen today

156 reputation

badges

0 questions

1 answers

Personal Finance & Money

Q&A for people who want to be financially literate

Joined 1 year ago, last seen 1 year ago

148 reputation

badges

1 questions

1 answers

Physics

Q&A for active researchers, academics and students of physics

Joined 7 days ago, last seen 6 days ago

126 reputation

badges

1 questions

0 answers

Server Fault

Q&A for professional system and network administrators

Joined 1 year ago, last seen 12 days ago

122 reputation

badges

1 questions

1 answers

WordPress Answers

Q&A for WordPress developers and administrators

Joined 12 months ago, last seen 4 months ago

120 reputation

badges

3 questions

1 answers

Webmasters

Q&A for pro webmasters

Joined 1 year ago, last seen 1 year ago

111 reputation

badges

0 questions

1 answers

Skeptics

Q&A for scientific skepticism

Joined 11 months ago, last seen 9 days ago

103 reputation

badges

0 questions

0 answers

Web Applications

Q&A for power users of web applications

Joined 1 year ago, last seen 2 months ago

103 reputation

badges

0 questions

0 answers

Drupal Answers

Q&A for Drupal developers and administrators

Joined 1 year ago, last seen 8 months ago

101 reputation

badges

0 questions

0 answers

Ask Ubuntu

Q&A for Ubuntu users and developers

Joined 11 months ago, last seen 2 months ago

101 reputation

badges

0 questions

0 answers

Stack Apps

Q&A for apps, scripts, and development with the Stack Exchange API

Joined 7 months ago, last seen 6 months ago

101 reputation

badges

0 questions

0 answers

Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

Joined 1 year ago, last seen 16 days ago

101 reputation

badges

0 questions

0 answers

Android Enthusiasts

Q&A for enthusiasts and power users of the Android operating system

Joined 1 year ago, last seen 4 months ago

101 reputation

badges

0 questions

0 answers

TeX - LaTeX

Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems

Joined 1 year ago, last seen 4 days ago

101 reputation

badges

0 questions

0 answers

Answers OnStartups

Q&A for entrepreneurs looking to start or run a new business

Joined 3 months ago, last seen 3 months ago

101 reputation

badges

0 questions

0 answers

Computational Science

Q&A for scientists using computers to solve scientific problems

Joined 11 days ago, last seen 11 days ago

101 reputation

badges

0 questions

0 answers

Quantitative Finance

Q&A for finance professionals and academics

Joined 1 year ago, last seen 1 year ago

101 reputation

badges

0 questions

0 answers

Audio-Video Production

Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation

Joined 11 months ago, last seen 11 months ago

101 reputation

badges

0 questions

0 answers

The Workplace

Q&A for members of the workforce navigating the professional setting

Joined 8 months ago, last seen 4 months ago

101 reputation

badges

0 questions

0 answers

Area 51

Stack Exchange Network staging zone, where users come together to build new Q&A sites

Joined 1 year ago, last seen 28 days ago

101 reputation

badges

- questions

- answers