You are working for an organisation that is using a very old web-based application that was...

You are working for an organisation that is using a very old web-based application that was developed in-house and is only used by members of the organisation. The leader of the web development team has indicated that the application needs to be urgently redeveloped as it is dependent upon outdated frameworks that have recently been found to be vulnerable to SQL injection attacks, however the organisation is currently short on funding. One of the security team has suggested using a web application firewall to prevent common attacks instead.
(a) Explain the additional security that would be provided by the web application firewall.
(b) Discuss any alternative or complimentary technologies that would assist in securing the application.

Expert Solution

(a) Additional security by firewall:

Web application firewall also known as WAF also helps in filtering out the data packets and monitoring the traffic in the system. It will block the data packets from malicious sources.

Apart from this it also helps the developers from making any coding mistakes and fix them quickly.

It is used to scan the applications for security reasons.

(b) Ways to securing the application:

There are many security platforms that should be used. For example, WebARX.
Apart from that, there are input testing tools, fuzzing, etc. that should be used with scanners and firewalls.
Password cracking tools should be used to check the password strength. A powerful tool such as Burp Suite can be used for protection of the application.
Nikto is also another open source scanner tool that can test the vulnerability and prevent any issues.

Apart from these tools and technologies following measures should also be applied:

An intentional attack can be generated from the team members to check if the application is vulnerable and easy to inject malicious code into.
Security blogs should be read to know about the latest attacks on web applications and then using the tools and techniques to prevent them from happening.
Data should be backed up on a regular basis.
Regular scanning should be done.
Security experts should be consulted more often and advice should be followed. The inputs in the application and output for the user should be sanitized.
Firewalls and antivirus programs should be updated regularly and security patches should be up to date as well.

venereology answered 1 year ago

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