A few plot points were so implausible as to be laugh-out-loud moments. The movie’s most laughable point was the extreme vulnerability of the NSAs Black Widow program. Many tools depicted behave very differently in the real world, but these kinds of simplifications manifest when any specialized field is thrust onto the silver screen. Even if Blackhat occasionally took some liberties, it was refreshing to see some truth infused in Hollywood’s portrayal of technology of technology.”]
Source: https://www.darkreading.com/careers-and-people/-i-blackhat-i-the-movie-good-bad-ridiculous