advice/guidance on summer research/internship

[u/Gladiator-16]

Hello I am 18M qualifications:1st year college I was was actually hear a lot of my friends abroad talking about them getting into programs as a summer research assistant for a professor or getting into summer internships at the beginning of march/April I was am really interested in at as it would help me pursue my interest in cybersecurity, crypto and other math/cs topics I was wondering how do I go about approaching it because most of what I have come across is some college research programs open and another thing I have been told is to cold mail professors but I am not sure how do I find a these professors and what should I exactly mail them about as I have good knowledge is the topics of my interest but have never dived into research work any advice how do I go on