Virtual Private Network generally known as VPN is a secure way of connecting a private network through a public gateway. In other words, it is a kind of tunnel which goes through public network to a remote network. Virtual private network is the innovation that can be used from a remote network safely, so the correspondence information is shielded from sniffing or capturing by hackers. VPN connection can be established between two VPN networks via a secured gateway with the ability to encode the information, protect data integrity and guarantee the correspondence just occur between those two verified networks.
The VPN is somewhat connected to the past remote network called public switched telephone network. VPN networks are associated with IP based communication. Before VPN came into existence big ventures invested lots of resources and time in building intricate private networks, these private networks are called intranets. It was costly to install the private networks. Some companies, who could not afford leased lines, used low speed network services.
As the Internet turned out to be increasingly open and transfer speed limits developed, organizations started to put their Intranets onto the web and make what are currently known as Extranets to interface interior and outside clients. Security is the main problem behind the telephone network. Today, VPN network provides a secured peer-to-peer connection. VPN are significantly low in costs than private or leased network as the communication is done over public network. Earlier the VPN technology was difficult to implement but thanks to the modern technology, our technology has reached a level where deployment is simple and affordable for all types of organizations.
Basically this report tells about the processes and the security technologies being used when we access your bank account online via a web browser. It is a well-known fact that the Internet is a public network and every single message you exchange with the server can potentially be intercepted by attackers. This report also includes the technologies and techniques that are used to prevent attackers from modifying the financial transaction requests we initiate on the server and what keeps your passwords and credit card details safe on the wire between your browser and the online banking server.
Answer – When the user enters the URL in the browser, the browser initiates a TCP connection to the server through its IP address present in DNS. Then URL is converted into an IP address by the browser and the process is called DNS lookup requests. Then server acknowledges the TCP connection, the browser sends HTTPs request to the server to retrieve the content. After the server answers with content for the page, the program recovers it from the HTTP parcels and shows it as needs be. This HTTP is noticeable in left side corner of inquiry bar which indicates communication is secure or not and the authentication is likewise unmistakable there. This is the manner by which program decides if it has conveyed to right server or not.
Browser also looks the third party certificate issued to the server and issued by third part owner. The certificate states that server belongs to the entity which user is looking for.
Answer – A digital signature is a digital code authenticated by public key encryption which is attached to an electronically transmitted document to validate the authenticity and integrity of the software or digital document. In managing an account industry digital signatures are useful for various causes. Some banking transaction like loans, account openings needs client signature prerequisites which regularly require all archives to be mailed and handshakes for consumer loyalty and further with the client affirmation by marking the record. The presentation of digital signatures into this banking process ends up being productive as it conveys noteworthy and quantifiable outcomes as far as cost, increases in transaction speed and improves the consumer loyalty.
Answer – Server uses authentication for the purpose to know exactly who is accessing the information or website. In this authentication process, user has to prove its identity by providing the credentials like user name and password. There are also other authentication processes like entering card details, retina scan, voice recognition and fingerprints. Authentication does not figure out which tasks the individual can do or what records the individual can see. Authentication only distinguishes and checks who the individual or system is.
Answer – Authentication is process of identifying a user by its valid user name and password and it can also be done through MAC address.
Three techniques that can be used to achieve authentication of the clients by server are:-
Commonwealth bank has acquired SSL certificate from DigiCert.
This certificate shows all the details of what it has in it. It includes version, serial number, algorithms, validation etc.
The objective for Trusted Root is to improve interior procedures encompassing the issuance and lifecycle administration of computerized. My computer trusted root certification store contains 47 certificates.
Answer – “Cipher suite” is the technical protocol term that portrays the sort, size, and strategies that are utilized when information (plaintext) is transformed into “cipher message”, or encrypted information. To know how the server and the program concur on which cipher suite to utilize, we have to get acquainted with SSL 2.0, SSL 3.0 and TLS 1.0 convention. TLS 1.0 is the transport layer security and is the most recent variant of SSL 3.0. The program has every one of the conventions and calculations and the server picks one of the conventions which appear to be more secure, at that point it is utilized as a part of that channel. Essentially those conventions are picked by server that is available in rundown of appropriate conventions. In the event that server does not locate any reasonable suite, the connection is rejected.
Answer – Symmetrical secret encryption is a type of encryption in which only one key is involved both for encryption and decryption of a message. To encrypt the message using this algorithm firstly cipher suite is selected called AES cipher suite (more secure), then the cipher text is encrypted. Precisely when the program and server do TLS handshake, program makes a symmetric key and offer it to the server and all further correspondence is happen through symmetric encryption. [8]
Common wealth bank uses SSL 3.0 version.
RSA encryption algorithm is used to maintain the confidentiality of the information.
The anti-replay service between the server and the browser.
Answer – Replay attacks, in which assailants catch and resend organize packets that don’t have a place with them, are amazingly unsafe and can at times, cause serious damage. What makes these sorts of assaults much more baneful is that they can even be arranged on encoded correspondence channels without accessing the decoding keys. Aggressors just need to spy on your line and have a general learning of what assignment a particular arrangement of packets are performing, and by resending those packets or demands, they will have the capacity to disrupt your interchanges or cause all the more harming impacts.
This replay attacks can be prevented by using SSL/TLS certifications. SSL/TSL prevents the resending of packets. Replay attack is additionally forestalled by utilizing a one time token idea in which each HTTP reaction in fixing to a token string which will be legitimate for next request.
Conclusion
VPN is a creating advancement that has gained significant ground. From an unreliable disjoin of Telephone frameworks to a powerful business help that uses the Internet as its section. VPN’s advancement is so far making, and this is an unprecedented favored stance to associations particularly keeping money area, which require development that can scale and create nearby them. Virtual private system has remarkable security includes that is greatly required in this legendary digital world
References
[1] k. Shetty. (2018). Virtual Private Network in Banking. [Online]. Available:
[2] Microsoft.com. (2008). What is a digital signature?. [Online].
[3] D.Shinder. (2001, August. 28). Understanding and selecting authentication methods.
[4] Oracle.com. (2018). Authentication Methods.
[5] Anonymous, (2018). Understanding Authentication Methods.
[6] Microsoft.com. (2018). How to: View Certificates with the MMC Snap-in.
[7] Microsoft.com. (2018). How to Determine the Cipher Suite for the Server and Client.
[8] A.krauss. (2016, August. 11) How Public Key and Symmetric Key Encryption Work.
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