No. The phrase itself is merely a search query. However, it is part of a broader set of Google dorks used in the early stages of reconnaissance. Tools like Pagodo, DorkGen, and Sn1per automate searching for "index of" patterns.
The danger is not the existence of the index page—it's the lack of access controls combined with sensitive file names containing words like "hot," "confidential," "backup," or "password." index of hot
If you use "index of hot" to check your own servers, that’s smart security hygiene. If you use it to steal private data, that’s illegal. Here’s the brutal truth: The Index of Hot
Here’s the brutal truth: The Index of Hot is a leading indicator, not a permanent state. What’s hot today is “over” tomorrow. Why? server terms of service
Due to the double entendre of the word "hot," this search term is frequently used to locate private image directories containing adult content. Warning: Accessing such directories may violate local laws, server terms of service, and expose your IP address to unethical administrators who deliberately set "honeypot" directories to track hackers.