CTF Challenges by Category
All Skills
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programming × 26
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linux × 18
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python × 13
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networking × 13
⭐
web × 12
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command-line × 11
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operating-systems × 10
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security × 9
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java × 9
⭐
encryption × 8
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network-security × 8
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firewall × 8
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javascript × 8
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inheritance × 8
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data × 7
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programming-languages × 7
🚩
traversal × 6
🚩
php × 6
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c++ × 6
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generic-programming × 6
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data-types × 6
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protocols × 6
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data-structures × 6
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http × 6
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cyber-security × 6
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object-oriented × 6
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scripting × 6
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web-development × 6
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cybersecurity × 6
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polymorphism × 5
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file-permissions × 5
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encapsulation × 5
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string × 5
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types × 5
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vulnerabilities × 4
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variables × 4
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firewalls × 4
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buffer-overflow × 4
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database × 4
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loops × 4
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dynamic-typing × 4
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c × 4
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authentication × 4
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control-systems × 3
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static-typing × 3
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type × 3
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html × 3
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bash × 3
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object-oriented-programming × 3
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abstraction × 3
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vulnerability × 3
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internet × 3
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control-theory × 3
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computer-science × 3
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functions × 3
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classes × 3
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integer × 3
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api × 3
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principles × 3
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boolean × 3
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templates × 3
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css × 3
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syntax × 3
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sql-injection × 3
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interfaces × 3
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languages × 3
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automation × 3
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transfer-function × 3
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oauth × 2
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android × 2
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state-space-representation × 2
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control-algorithms × 2
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permissions × 2
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network-topology × 2
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communication × 2
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algorithm × 2
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dns × 2
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error × 2
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response × 2
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advantages × 2
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unix × 2
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conditionals × 2
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cryptography × 2
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performance × 2
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virtual-memory × 2
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algorithms × 2
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software-development × 2
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c# × 2
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rest × 2
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float × 2
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internet-of-things × 2
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control-flow-structures × 2
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access-control × 2
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data-structure × 2
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array × 2
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pid-control × 2
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file-system × 2
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rate-limiting × 2
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cyber-attacks × 2
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file-management × 2
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basics × 2
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design-patterns × 2
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stack × 2
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rest-api × 2
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file × 2
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feedback × 2
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hacking × 2
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penetration-testing × 2
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control × 2