This was an OSINT challenge in which we had knowledge of a person's Tumblr account and, based only on that account, we needed to find their state/province and country. You can check the account [here](https://www.tumblr.com/16degreesofscorpio).

This is a follow-up OSINT challenge. Mr. Blue Sky is just trying his best to build a following, but he's been trying to hide interactions from a particular troll. Our goal is to investigate and find a flag by exploring Bluesky interactions.

This is an introductory OSINT challenge. We have a Bluesky account and want to find a flag by searching through the person's profile.

nocaml uiuctf 2025

Ataques de negação de serviço, ou Denial of Service (DoS) em inglês, estão cada vez mais comuns na internet. Seja pelo aspecto ubíquo que a internet tomou nos últimos anos, seja pela facilitação de implementar ataques desse tipo, ou mesmo a dificuldade de evitá-los, é visível que hoje mais do que nunca ataques de negação de serviço são uma ameaça crescente.