## Solution
A Google search for "tenable peekaboo flag" leads to this page: [https://www.tenable.com/security/research/tra-2018-25](https://www.tenable.com/security/research/tra-2018-25). The flag is on the right side of the article.

## Flag
**flag{i_s33_y0u}**

Original writeup (https://malcrypt.gitlab.io/blog/ctfs/2021/tenable/osint/peekaboo/).