Security tips to protect your website from hackers
 
01. Keep software up to date
It may seem 
obvious, but ensuring you keep all software up to date is vital in 
keeping your site secure. This applies to both the server operating 
system and any software you may be running on your website such as a CMS
 or forum. When website security holes are found in software, hackers 
are quick to attempt to abuse them.
If you are using a managed 
hosting solution then you don't need to worry so much about applying 
security updates for the operating system as the hosting company should 
take care of this.
If you are using third-party software on your 
website such as a CMS or forum, you should ensure you are quick to apply
 any security patches. Most vendors have a mailing list or RSS feed 
detailing any website security issues. WordPress, Umbraco and many other
 CMSes notify you of available system updates when you log in.
02. SQL injection
SQL injection attacks 
are when an attacker uses a web form field or URL parameter to gain 
access to or manipulate your database. When you use standard Transact 
SQL it is easy to unknowingly insert rogue code into your query that 
could be used to change tables, get information and delete data. You can
 easily prevent this by always using parameterised queries, most web 
languages have this feature and it is easy to implement.
03. Error messages
Be careful with how 
much information you give away in your error messages. For example if 
you have a login form on your website you should think about the 
language you use to communicate failure when attempting logins. You 
should use generic messages like “Incorrect username or password” as not
 to specify when a user got half of the query right. If an attacker 
tries a brute force attack to get a username and password and the error 
message gives away when one of the fields are correct then the attacker 
knows he has one of the fields and can concentrate on the other field.
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