If you are a security researcher, analyzing these repos is fascinating. You see the evolution of automation—from simple Selenium scripts to complex TLS fingerprint spoofing. However, if you are an average user, the biggest takeaway is this: Without 2FA, your account is just a string of text waiting to be fed into a checker.

options = webdriver.FirefoxOptions() options.set_preference("dom.webdriver.enabled", False) options.set_preference("useAutomationExtension", False) # This attempts to hide the script, but PayPal catches it anyway. Many junior developers download these checkers from GitHub thinking, "I'm just curious. I won't steal money."

from selenium import webdriver from selenium.webdriver.common.by import By import time def check_paypal(email, password): driver = webdriver.Firefox() # or Chrome driver.get("https://www.paypal.com/signin")