CYBERSECURITY

BY :ANKUSH VERMA MCA

INTRODUCTION

Cyber crime is an activity done using computers and internet. We can say that it is an unlawful acts wherein the computer either a tool or target or both.

“Cyber crime encompasses any criminal act dealing with computers and networks (called hacking). Additionally, cyber crime also includes traditional crimes conducted through the Internet.”

What is a Cyber Security?

‘Cyber security is the body of technologies, processes and practices designed to protect networks, computers, programs and data from attack, damage or unauthorized’

Categories of cyber crime

We can categorize cyber crime in two ways.The computer as a target :- using a

computer to attacks other computer, e.g. Hacking, virus/worms attacks, Dos attack etc.

The computer as a weapon :- using a computer to commit real world crime e.g. cyber terrorism, credit card fraud etc.

Why Cyber Security is needed ?

For Securing:Information Information SystemMaintain individual privacyEtc…

Syllabus

UNIT-1Introduction to information systems, Types

of information Systems, Development of Information Systems, Introduction to information security, Need for Information security, Threats to Information Systems, Information Assurance, Cyber Security, and Security Risk Analysis.

 

UNIT-2Application security (Database, E-mail and Internet),

Data Security Considerations-Backups, Archival Storage and Disposal of Data, Security Technology-Firewall and VPNs, Intrusion Detection, Access Control.

Security Threats -Viruses, Worms, Trojan Horse, Bombs, Trapdoors, Spoofs, E-mail viruses, Macro viruses, Malicious Software, Network and Denial of Services Attack, Security Threats to E-Commerce-

Electronic Payment System, e-Cash, Credit/Debit Cards. Digital Signature, public Key Cryptography

 

UNIT-3Developing Secure Information Systems,

Application Development Security, Information Security Governance & Risk Management, Security Architecture & Design

Security Issues in Hardware, Data Storage & Downloadable Devices, Physical Security of IT Assets, Access Control, CCTV and intrusion Detection Systems, Backup Security Measures.

 

UNIT-4Security Policies, Why Policies should be developed,

WWW policies, Email Security policies, Policy Review Process-Corporate policies-Sample Security Policies, Publishing and Notification Requirement of the Policies.

Information Security Standards-ISO, IT Act, Copyright Act, Patent Law, IPR. Cyber Laws in India; IT

Act 2000 Provisions, Intellectual Property Law: Copy Right Law, Software License, Semiconductor Law and Patent Law.

Information System

IS – a set of interrelated components working together to collect, retrieve, process, store, and distribute information for the purpose of control, coordination, analysis, and decision making in business organizations

What is an Information System

Organized combination of1. Hardware2. Software3. Communications Networks4. Data5. People

Types of Information Systems

History Before Usage of IS

In the 70s, businessmen used a manual system to run their business

History Before Usage of IS

They used traditional filling systems to keep track of their daily transactions.

History Before Usage of IS

This cause them delays in making decisions and in planning strategies.

The Usage of Information Systems

1. Management Information System (MIS)

2. Transaction Processing System (TPS)3. Decision Support System (DSS)

4. Executive Information System (EIS)5. Expert System (ES)

Objective 1

The usage of Management Information System (MIS).

Management Information System (MIS)

Used to provide regular information about the daily activities of a business to the manager

Management Information System (MIS)

Help managers make the business processes and activities more efficient compared to doing them manually.

Management Information System (MIS)

MIS Manual Systems

Objective 2

The usage of Transaction Processing System (TPS)

Transaction Processing System (TPS)

Used to record business transactions.

Information and Communication Technology [Form 5]

Transaction Processing System (TPS)

Keep track of daily transactions in a database.

Objective 3

The usage of Decision Support System (DSS).

Decision Support System (DSS)

Provide managers with information to make the best decisions.

Information and Communication Technology [Form 5]

Decision Support System (DSS)

Most Decision Support System report are in the form of charts and diagrams.

Objective 4

The usage of Executive Information System (EIS).

Executive Information System (EIS)

Helps top-level management to plan strategies.

Executive Information System (EIS)

Used to forecast future trends.

Objective 5

The usage of Expert System (ES).

Expert System(ES)

Used to store knowledge and make logical suggestions for the user.

Expert System(ES)

Expert system users can be professionals like doctors and scantiest.

Expert System(ES)

An expert System can suggest conditions and estimate the probability of having illness.