Web Security and SSL - Secure Socket Layer
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The document discusses web security, also known as cybersecurity, emphasizing the importance of protecting information from various threats such as hacking and malware. It highlights SSL (Secure Socket Layer) as a crucial technology for ensuring secure data transmission and verifying the identity of websites, which helps maintain customer trust. The SSL handshake protocol is essential for establishing secure connections, allowing clients and servers to authenticate and negotiate encryption parameters.
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- 1. Web Security & SSL Akhil Nadh PC 17203101 Mtech - 2017 ( IS ) NIT Jalandhar
- 3. Web Security, also known as “Cybersecurity” involves protecting that information by preventing, detecting, and responding to attacks
- 4. Web Security: Terminologies Hacker Viruses Worms Trojan horses Ransomware KeyLoggers Firewalls
- 5. Web Security: Aspects Privacy Integrity Authentication
- 6. Web Security: Issues <? php mail(“[email protected]”, ”Hi from Bill Gates”, ”Hi, I am Bill gates” , "From: [email protected]"); ?> From: [email protected] To: [email protected] Subject: Hi from Bill Gates Hi, I am Bill gates
- 7. Web Security: Issues Malicious websites SPAM Phishing DDOS
- 8. How will you provide your customers safe and secure environment on your website ?
- 9. SSL (Secure Socket Layer) Transport Layer Security Protocol Used to secure data between two machines Online ID card ensures who they are
- 10. You May Know SSL Pad Lock Browser bar turning Green https
- 11. Without SSL
- 12. Lets Fully Understand How SSL Works. Bob is Business Owner He Owns bobsbike.biz He wants people to be safe visiting his Website
- 13. He need to apply for SSL Certificate From Web Hosting company or purchase online from third party Certificate Authority [ VeriSign , GeoTrust , Comodo , Digicert ] Suppose He calls VeriSign
- 14. • Research Company • Check the references • and postively determine they are who they are
- 15. SSL • Assures Identity • Encrypt data to and fro
- 16. When Customer internet browser connect with BOB Server • Check SSL is Valid • What type of Encryption and Scrabling they use Now , Bob does not have to worry about loosing customers due to Performance Issues
- 17. Now , When Customer places Orders Sensitive Info is secured with SSL Certificate Assured Safe and Legitimate Website
- 18. Customer Gets the Bike Bob gets the Payment Attacker gets NOTHING..!
- 19. SSL (Secure Socket Layer) transport layer security service originally developed by Netscape version 3 designed with public input uses TCP to provide a reliable end-to-end service SSL has two layers of protocols SSL Record Protocol Handshake Protocol Change Cipher Spec Protocol Alert Protocol HTTP
- 20. Two important SSL concepts SSL Session: is an association between a client and a server. created by the Handshake Protocol. define a set of cryptographic security parameters which can be shared among multiple connections. are used to avoid the expensive negotiation of new security parameters for each connection SSL Connection A connection is a transport that provides a suitable type of service. are peer-to-peer relationships are transient. Every connection is associated with one session.
- 21. SSL Architecture
- 22. SSL Handshake Protocol allows server & client to: authenticate each other to negotiate encryption & MAC algorithms to negotiate cryptographic keys to be used comprises a series of messages in phases 1. Establish Security Capabilities 2. Server Authentication and Key Exchange 3. Client Authentication and Key Exchange 4. Finish
- 24. Thank You