Cybersecurity Lexicon

CHAPTER 26

Z

ZeroAccess attack: A Trojan horse bot used to download other malware on an infected machine from a botnet, while remaining hidden on a building control system using rootkit techniques.

zero-day exploit attack: A worm, virus, or other cyber-threat that hits users on the same day the vulnerability is announced.

zero fill: To fill unused storage locations in a building control system with the representation of the character denoting 0. SOURCE: CNSSI-4009

zeroize: To remove or eliminate the key from a cryptographic equipment or fill device. SOURCE: CNSSI-4009

zeroization: A method of erasing electronically stored data, cryptographic ...