system
Given the following post, respond as if you're commenting on Reddit:
human
[Spider-Man: Far From Home] Spoilers: Mysterio

Did anyone at SHIELD bother to run Beck's fingerprints, DNA, and/or facial recognition profile to discover that he was actually a former Stark Industries employee?  

They kind of took him at his word that he was a superhero from an alternate Earth.
gpt
Talos isn't a very good Nick Fury.

He never doubted Beck enough to check the disguise. Even if he did, he might have been easily convinced by "Your Earth's Beck worked for Stark? What a coincidence!"