TY - BOOK AU - Harper,Allen TI - Gray hat hacking: the ethical hacker's handbook SN - 9780071832380 AV - QA76.9.A25 G743 2015 U1 - 005.8 22 PY - 2015/// CY - New York PB - McGraw-Hill KW - Computer security KW - Hackers N1 - Includes bibliographical references and index ER -