Harper, Allen Gray hat hacking: The ethical hacker's handbook Allen Harper - 5 - New York, McGraw-Hill Education, 2018. - xxxi, 602p. ISBN: 9781260108415 Subjects--Topical Terms: COMPUTER SCIENCECOMPUTER SECURITYCYBER SECURITYETHICAL HACKINGGRAY HAT HACKING Dewey Class. No.: 005.82 HAR/G