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Sreerag Gopinath
Sreerag Gopinath
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MODULE 2 - NETWORK SECURITY E - COMMERCE ,[object Object],[object Object],PRESENTED BY - SREERAG GOPINATH P.C SEMESTER VIII COMPUTER SCIENCE & ENGG. SJCET, PALAI
SECURITY THREATS A Security threat is a circumstance, condition, or event with the potential to cause economic hardship to data or network resources in the form of - destruction, - disclosure, - modification of data, - denial of service, and / or - fraud, waste or abuse. Confidence, reliability and protection of information against security threats is a crucial prerequisite for the functioning of e-commerce.
SECURITY CONCERNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
CLIENT SERVER NETWORK SECURITY Client server Network security ,[object Object],[object Object],[object Object],[object Object],B A L A N C I N G & SYSTEM ADMINISTRATORS HAVE A HARD TIME
WHY PAY ATTENTION TO SECURITY? INTERNET 10000 networks- Unlimited number of hackers? CORPORATE LAN OR WAN SUBNET CORPORATE NETWORK
CLIENT SERVER SECURITY PROBLEMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
REDUCING CLIENT SECURITY THREATS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PROTECTION METHODS ,[object Object],[object Object],[object Object],[object Object]
TRUST BASED SECURITY ,[object Object],[object Object],[object Object],[object Object]
SECURITY THROUGH OBSCURITY (STO) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
PASSWORD SCHEMES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
BIOMETRIC SYSTEMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
EMERGING CLIENT - SERVER SECURITY THREATS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SOFTWARE AGENTS & MALICIOUS CODE THREATS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MALICIOUS CODE ,[object Object],[object Object],[object Object],[object Object]
MALICIOUS CODE - EXAMPLES
THREATS TO SERVERS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DENIAL OF SERVICE ATTACKS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SERVICE OVERLOADING ,[object Object],[object Object],[object Object],[object Object],[object Object]
MESSAGE FLOODING ,[object Object],[object Object],[object Object],[object Object]
COUNTERING SERVER THREATS - FIREWALLS INTERNET CORPORATE LAN OR WAN CORPORATE NETWORK STOP
THANK YOU !!!

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Sreerag cs network security

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  • 2. SECURITY THREATS A Security threat is a circumstance, condition, or event with the potential to cause economic hardship to data or network resources in the form of - destruction, - disclosure, - modification of data, - denial of service, and / or - fraud, waste or abuse. Confidence, reliability and protection of information against security threats is a crucial prerequisite for the functioning of e-commerce.
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  • 5. WHY PAY ATTENTION TO SECURITY? INTERNET 10000 networks- Unlimited number of hackers? CORPORATE LAN OR WAN SUBNET CORPORATE NETWORK
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  • 16. MALICIOUS CODE - EXAMPLES
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  • 21. COUNTERING SERVER THREATS - FIREWALLS INTERNET CORPORATE LAN OR WAN CORPORATE NETWORK STOP