Introduction to Cybersecurity - Cisco Networking | Cyber Hygiene

Introduction to Cybersecurity - Cisco Networking | Cyber Hygiene | Cyber Hygiene Introduction to Cybersecurity 

a. What is Cybersecurity:

Ongoing effort to defense digital attacks by protecting networked systems & data to be used by unauthorized personnel.

• Personal
• Organizational
• Governments

World of Cybersecurity:

b. Protecting Personal Data

• Offline Identity : Real-life details
• Online Identity : Your details over digital World

Absence of social media or online accounts never means

absence of online identity : Once you connect to web - you

have an online identity

Popular data used during hacking:

o Medical Records

o Education Records

o Employment & Financial Records

Smart Devices : Big storage of data

ISP, Advertisers, Search engines, Social Media platforms,

Websites visiting use personal data besides hackers.

Organizational Data:

a. Types of Organizational Data

o Traditional Data

Transactional Data

Intellectual Property

Financial Data

o IoT and Big Data

Sensor Data

Software Data

Virtualization Data

Cloud Data

b. John McCumber proposed Cube Model (1991)

o Foundational Principal : Protecting information Systems

Confidentiality

Integrity

Availability

o Protection of Information in possible states

Processing

Storage

Transmission

o Security measures used to protect data

Awareness Training & Education

Technology

Policy & Procedure

c. Data Security Breaches Examples

o The Persirai Botnet

In 2017, IoT Botnet hacked over 1,22,000 IP Cams.

o Equifax Inc.

Millions of customers sensitive personal data exposed.

d. Consequences of a Security Breach

Cyber Attackers:

Types of Attackers

o Amateurs

o White Hat Attackers

o Gray Hat Attackers

o Black Hat Attackers

Internal Threats

External Threats