Cyber security system for electronic communications

A system comprising:

• a computer processor;
• a data repository in communication with the computer processor and storing:
• an electronic communication comprising content, wherein the content comprises relevant data comprising a first portion of the content predetermined to be relevant to an evaluation of authenticity of the electronic communication and irrelevant data comprising a second portion of the content predetermined to be irrelevant to the evaluation,
• a prompt for a language model, and
• a prediction whether the electronic communication is at least one of malicious, deceptive, and inauthentic;
• a server controller which, when executed by the computer processor, performs a computer-implemented method comprising:
• receiving the electronic communication,
• identifying, in the content, the relevant data and the irrelevant data,
• converting the relevant data into a prompt for a language model;
• executing the language model on the prompt;
• and
• outputting, by the language model, the prediction.