Security was so lax at the TJ Maxx outlet located in Lawrence, Kansas, that employees were able to log onto company servers using blank passwords, the fired employee, Nick Benson, told The Register. This policy was in effect as recently as May 8, more than 18 months after company officials learned a massive network breach had leaked the details of more than 94 million customer credit cards. Benso
security of ATM cards, computer passwords, and the electronic commerce, which all depend on cryptography. So These days the importance of cryptology is increasing more and more.
Around 50 B.C. the earlist cryptographic system was used by Julius Caesar and the cryptography was investigated and used for protecting military practices. Today, by a rapid growth of computer technology, it is a pract
Secure Messenger Service를 지원받아 Messenger Communication할 수 있다.
III. 프로젝트에 사용되는 기호
A. M : 보내는 Data 원본, Plain Text
B. Key : Client A와 Client B가 얻게 되는 Symmetric Key의 암호화 과정의 표현
C. Session Key : 암호화의 대상이 되는 형태의 Session key의 표현
D. MD : Message Digest
E. DS : Digital Signature
F. H(
Security Controls
and Weak-nesses
Security was so lax at the TJ Maxx outlet located in Lawrence, Kansas, that employees were able to log onto company servers using blank passwords, the fired employee, Nick Benson, told The Register
WEP
TJX used Wired Equivalent Privacy (WEP) encryption system which was easy for hackers to attack
Fire walls
TJX had neglected to install firewalls and data e
password authentication _ PIN/ TAN system and signature system.
Signature system is the system that user register their typical signature as the certification for payment. The signature imagines is stored on a smart card or memory system. All the data finally been transferred to the signature banking (Passwordsecurity Bank in America). The signature system is most useful for credits card, when