NETWORK SECURITY.

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Presentation transcript:

NETWORK SECURITY

The most common Wide Area Network is Internet – It provides access to a worldwide network of computers with millions of users.

Networking offers endless possibilities and opportunities to every user of it along with convenience. It has become an inevitable part of our lives. Offering a mass amount of useful information, making communication easier and faster than ever, it presents some threats too along the way.

Can you Guess the threats ? Trojan Worms

Why do people create Viruses ?

Use Firewall How to prevent network from these threats? Install Antivirus Software

Network security Allow authorized users access Prevent unauthorized users from obtaining acces Trade-off between security and performance

Firewall Protects local area network (LAN) from outside intruders Safety barrier for data flowing in and out Prohibits all data not allowed or permits all data not prohibited

Biometrics Uses unique personal information to identify Examples are fingerprints, eyeball iris scans or face scans

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