This is the 3748th most frequent Russian word.
хакеров
The Russian word "хакеров" means "hackers" in English.
This use of 'хакеров' shows its role as the object of the verb 'опасаются' (fear).
В наше время программисты опасаются хакеров.
Nowadays, programmers fear hackers.
Here, 'хакеров' functions as the object of the preposition 'от', showing the target of protection.
Компьютерная компания разрабатывает новый способ защиты от хакеров.
A computer company is developing a new method of protection against hackers.
In this sentence, 'хакеров' acts as the description of the group that was arrested, specifying their role.