At any cost this data should not be stolen and otherwise, it would decrease the confidence of your customers on your website, and they decrease the number of visits and would stop giving the information if the security levels go down further like that.
If this data is stolen by somebody, they could misuse on your name. You cannot safe guard the security for the users' data and so you should have way of installing the security levels.
Security policies and protocols for ensuring the complete protection of business data as well as customers' data are mandatory.
There are various situations and various factors that would affect the security of the business data on the server.
The service provider is accountable for managing, securing your data as well the customers' data to be stored on the server. It must have sophisticated security methods after understanding all the loopholes and necessary measures of securing the data.
If shared hosting is your present hosting plan running, you need to be more careful, as a common channel is shared by your co-users of the same server.
The security firewall must be stronger if you are using VPS or dedicated hosting.
SERVER LEVEL SECURITY
The server stores vital data of business of their customers. At any adversary conditions also this data should not be lost, be it any method called hacking, breaching or anything. If the security is not taken care of, not even a single customer would be with the hosting company.
So, server administrator considers this as the most important task of the business. They install various levels of firewall, applications and security software to prevent serious and deadly attacks like DDOS and hacking of the information. Hackers always target the server to breach or steal the business data to perform un-authorized business on behalf-of the original business. Strong firewalls like 'ConfigServer' would be installed in Linux applications to protect the Linux servers.
All you need is just ask how your hosting company is attempting to protect your data. Every web hosting company has good security methods to save your data.
SECURITY OF THE CODE
Vulnerability in the code is an exciting key looked as by the hackers. Hackers always try to intrude into the code, and attempt to continuously hack or manipulate the code. Most of the hackers sophisticated attempt using SQL injection. This method is a program to hack the website and so its database for confidential information. Whenever a website owner tries to access the confidential information, the reference data like credit card details, back account data. This data is somehow handled by malicious programs and intrudes the database to hack and steal the confidential information.
AUTHORIZATION / AUTHENTICATION
It is always suggested to develop the web applications using the best scripting languages like PHP, http://ASP.NET etc. to escape the menace of poor security.
Web masters suggest installing SSL certificates on our website which in turn secures the data transfer processes. E-commerce must have Verisign SSL certificates for their websites to encrypt and authenticate the customers' confidential bank details for online transactions.
SSL trust improves incredible mutual trust between the business website and the customers.