picoCTF gamifies learning hacking with capture-the-flag puzzles created by trusted computer security and privacy experts at Carnegie Mellon University. Gain knowledge about introductory through advanced level cybersecurity principles in our …

The Hacker101 CTF is a game designed to let you learn to hack in a safe, rewarding environment. Hacker101 is a free educational site for hackers, run by HackerOne.

247CTF is a security learning environment where hackers can test their abilities across a number of different Capture The Flag (CTF) challenge categories including web, cryptography, networking, reversing and exploitation.

从新手友好的线上竞赛到高水平的国际赛事，这里汇集了最全面、最及时的CTF赛事情报。

Capture the Flag (CTF) in computer security is an exercise in which participants attempt to find text strings, called "flags", which are secretly hidden in purposefully vulnerable programs or websites. They can be used for both competitive or educational purposes.

CTF (aka Capture The Flag) is a competition where teams or individuals have to solve a number of challenges. The one that solves/collects most flags the fastest wins the competition. Once each challenge has been solved successfully, the user will find a …

What is the Google CTF? Google will run the 2024 CTF competition in two parts: an online jeopardy-CTF competition, and a different on-site contest open only to the top 8 teams of the online jeopardy-CTF competition.

2024年11月26日 · 攻防世界-逆向game 当所有灯都亮起来的时候，flag就出现了 查找字符串，找到flag，CTRL+X直接定位到这句话所在的函数。 v2取地址，地址号+2.然后再取这个地址的值 上图可以转换成下图 0x13u=0x13,u是无符号数，0x是十六进制，0x13=19 得到伪C代码 在python中整 …

Prove your cybersecurity skills on the official Hack The Box Capture The Flag (CTF) Platform! Play solo or as a team. Jeopardy-style challenges to pwn machines.

CTF (aka Capture The Flag) is a competition where teams or individuals have to solve a number of challenges. The one that solves/collects most flags the fastest wins the competition. Once each challenge has been solved successfully, the user will find a …