MCQs on CNS & IS 1.  The _______________ attack is related to confidentiality. fabrication interception interruption modification 2.  If...

 MCQs on CNS & IS 1.   Which of the following term indicates that the data is not modified by unauthorised users?  Confidentiality Integ...

Introduction to Block-Chain Technology Block-chain is a shared, immutable digital ledger, enabling the recording of transactions and the tra...

Introduction to Firewalls A firewall is a computer or group of computers that stand between  trusted networks (such as LAN) and untrusted ne...

Web Security Virtually all businesses including government agencies as well as individuals have web sites now-a-days.   The number of users ...

Introduction to Hash Functions A hash function H is a mathematical algorithm that accepts a variable-length block of data or message as inpu...

Frequently Asked Questions (FAQ) on CNS UNIT-I Topics Covered: History and overview of Cryptography Classical Encryption Techniq...