Become a cybersecurity hero — 6 fun challenges await!
Mei built a personal webpage and hid a secret inside. But you can't see anything on the page... can you find it?
Hint: There's more to a webpage than meets the eye
Start Challenge →Someone hid a secret inside your browser's "cookies." Do you know how to peek inside them?
Hint: F12 is your best friend
Start Challenge →Every website has a special file that tells search engines which pages to stay away from... but you're not a robot, right?
Hint: The filename is related to "robots"
Start Challenge →A seemingly ordinary photo — but digital detectives know that every photo "talks." Can you find its hidden message?
Hint: Photos carry invisible information beyond the picture
Start Challenge →A server was attacked! Analyze the access logs and find the flag the hacker left behind in a suspicious request.
Hint: Read every line carefully — some requests look fishy...
Start Challenge →You received a mysterious file with a .dat extension — but it's actually another file type in disguise! Can you uncover its true identity?
Hint: The first few bytes of a file reveal its true nature
Start Challenge →