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Hacking-Challenges is a german challenge site.
In challenges from 8 categories, for example javascript, cryptography, stegano and webhacking, you can prove your skill. Moreover, Hacking-Challenges offers a huge number of decoders, tools, links and tutorials
and offers the possibility to submit your own challenges.
Hacking-Challenges
Sites origin country Germany
Language German
Category Tags JavaScript, Crypto, Logic, Stegano, Research, Programming, Exploit, Cracking
Site Admins C-tecx
Auto update yes
Has OnSiteRank yes
WarBoxes 0
Score 23150
Base-Score 10000
Users 1365
Challs 145
Linked users 240
Average 30.09%
Difficulty 41.67%
Enjoyment 90.00%
IRC Contact ircs://irc.wechall.net:6697/#hacking-challengesfoo
Latest 1 active Players, ordered by last update (14d)
benito255
Score history for site Hacking-Challenges
Number of Users on Hacking-Challenges
Number of Challenges on Hacking-Challenges

Comments on Hacking-Challenges

Global Rank: 354
Totalscore: 70650
Posts: 1
Thanks: 2
UpVotes: 2
Registered: 9y 233d


Last Seen: 123d 8h
The User is Offline
RE: Comments on Hacking-Challenges
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I'm unable to link to it, I allways get this error message (tried a few times over the last days as I hoped it might be a temporary problem):

The Username/EMail combination does not seem to exist on Hacking-Challenges.


Anyone hav an idea?
Global Rank: 61
Totalscore: 269639
Posts: 15
Thanks: 23
UpVotes: 13
Registered: 17y 246d







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RE: Comments on Hacking-Challenges
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Site isn't available anymore.

Sad
Global Rank: 61
Totalscore: 269639
Posts: 15
Thanks: 23
UpVotes: 13
Registered: 17y 246d







The User is Offline
RE: Comments on Hacking-Challenges
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Is back again.
Global Rank: 140
Totalscore: 144420
Posts: 129
Thanks: 109
UpVotes: 127
Registered: 12y 35d
occasus`s Avatar



Last Seen: 4h 21m
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RE: Comments on Hacking-Challenges
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Unfortunately there is not much activity and most Challengers seem not to interact through the forum or pm. I'm trying to ask here if someone has solved Category: JavaScript, Chall: ACCESS DENIED!!! 'cause I got it, but it's not accepted. Haijo18 tried to explain the typo in the forum, but it doesn't make sense. Btw I know German.
If yes, may I contact someone? Thx in advance.

<EDIT>Btw, pretty sure I got the correct answer also to that one Category: JavaScript, Chall: Members-Only Area! Sad

SideNote: tried to contact C-tecx in 2019 for another chall's typo. Also guybrush1112 for another chall in 2020...
Last edited by occasus - Oct 16, 2025 - 20:26:21
Global Rank: 20
Totalscore: 464585
Posts: 8
Thanks: 8
UpVotes: 10
Registered: 13y 309d









Last Seen: 12d 24m
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RE: Comments on Hacking-Challenges
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Hi Occasus,

I agree with you that the community doesn’t seem to be very active, which can make it harder to find quick answers or discussions. However, regarding this specific challenge, I think the help provided in the forum is actually quite clear and easy to understand—especially if you already found part of the solution. If you need to compare your approach or discuss it further, feel free to contact me privately.
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