## Open-Source Intelligence/Personal Breach (173 solves)Created by: `Lychi`
> Security questions can be solved by reconnaissance. The weakest link in security could be the people around you.
We are looking for the following information points about Iris:- How old is Iris?- What hospital was Iris born in?- What company does Iris work for?
Looking through what we have, in the tagged posts section of Michelangelo's Instagram is a post!
![Post tagging Michelangelo](https://seall.dev/images/ctfs/irisctf2024/pb_1.png)
It's from Iris, we can now look through her Instagram.
![Iris's Instagram](https://seall.dev/images/ctfs/irisctf2024/pb_2.png)
Looking through her posts, a particular one jumps out at me:
![Post mentioning mother](https://seall.dev/images/ctfs/irisctf2024/pb_3.png)
We can see she mentions an `Elaina Stein` and trying to visit an Instagram with that tag fails, so I check Facebook and get a hit!
![Elaina's Facebook](https://seall.dev/images/ctfs/irisctf2024/pb_4.png)
Looking through her posts, we find two birthdays. One for herself (8th of April 1965) and for Iris (27th of April 1996).
We now know Iris's age to be `27`.
In the comments of the birthday post is Elaina with some extra information.
![Facebook Comment](https://seall.dev/images/ctfs/irisctf2024/pb_5.png)
By searching for the exact phrase "best maternity hospital in Manhattan" we get a hit on [Yelp](https://www.yelp.com/search?find_desc=maternity+hospital&find_loc=Manhattan%2C+NY).
Our top result is `Lenox Hill Hospital`, so there's our hospital.
![Hospital Review](https://seall.dev/images/ctfs/irisctf2024/pb_6.png)
Looking up Iris's name online we also get a [LinkedIn](https://www.yelp.com/search?find_desc=maternity+hospital&find_loc=Manhattan%2C+NY).
![LinkedIn for Iris](https://seall.dev/images/ctfs/irisctf2024/pb_7.png)
And there's her job! `Mountain Peak Hiring Agency`
![Submission of answers](https://seall.dev/images/ctfs/irisctf2024/pb_8.png)
There we go!
Flag: `irisctf{s0c1al_m3d1a_1s_an_1nf3cti0n}`
**Files:** None provided :(