TY - BOOK AU - Harper,Allen TI - Gray hat hacking: the ethical hacker's handbook SN - 9781264268948 (pbk.) : U1 - 005.8 23 PY - 2022/// CY - New York PB - McGraw Hill KW - Computer security KW - Hackers N1 - Previous edition: 2018; Includes bibliographical references and index ER -