TY - BOOK AU - Nichols,Randall K. AU - Ryan,Daniel J. AU - Ryan,Julie J.C.H. TI - Defending your digital assets against hackers, crackers, spies, and thieves SN - 0072122854 (pbk.) AV - QA76.9.A25 N53 2000 U1 - 005.8 21 PY - 2000/// CY - New York PB - McGraw-Hill KW - Computer security KW - United States KW - Computer crimes KW - Data encryption (Computer science) KW - Cryptography N1 - Includes bibliographical references (p. 817-842) and index ER -