The web applications are so much required in today’s time. They have increased a lot in number, but this has made them a favourite place for the hackers out there. The hackers lookout for certain vulnerabilities or loopholes in the application that will let them break into the system or network. These web applications are prone to various types of issues which can result in loss of data of an individual or organization.
Make sure that you hire a good software development company who can make a stable and trusted application. It’s also important to first identify the different types of attacks that carry the risk of making an application vulnerable. Let’s take a look at some of the common application vulnerabilities and some ways to deal with them so that you know how and why to handle the vulnerabilities properly.
The injection carries the highest vulnerability risk among all the others on this list. Right from SQL queries to your expression, anything and everything can be injected! Whatever new language is present, to ensure that it has been implemented properly otherwise it can lead to its exploitation.
To deal with this issue, you can get rid of untrusted source of data from the servers. There needs to be proper validation done regularly. Or you can try limiting the input data by changing to whitelist from a blacklist. Lastly, many of the frameworks have support for parameterized queries and APIs, so you can implement them.
2) Data Leakage
Data is an important element of any business and if the data is exposed to hackers then it can lead to financial and economic losses to the organization. Anyways, the stealing of data usually occurs when any sort of information is transferred over plain text or any type of weak encryption.
For this vulnerability, always use a trusted secure layer like Https over http. Make sure that the stored data like passwords contain hashing functions and strong adaptive. Lastly, get a good key size and keep the encryption system fully updated.
3) Broken Authentication
The session management needs to be handled properly otherwise the hackers can use the session ID to gain access. Another common reasons for this include weak recovery and authentication methods.
To deal with broken authentication, ensure that you are using latest, trusted and secured session management. You can also try to include multiple authentication system for the user passwords. Don’t forget to implement a weak password check.
4) XML External Entities
This method is not to be confused with the injection vulnerability as here hackers actually exploit the old XML processors. They replace the XXM file with XXE and get it sent back to the server. Any XML processor using DTDs can be the potential victim. The good news is that this sort of issue is not commonly seen but you never know!
To be safe and secure, use data formats like JSON. Find out the old XML processor libraries and patch or update all of them. Lastly, you can open your XML parser and disable the DTD processing and XML External Entity.
These were some of the common application vulnerabilities that you need to know about. There are few others too like CSRF, but thanks to the advanced frameworks, they can be taken care of automatically. Caring about security will help you in the long run! It may seem that you are wasting money on hiring a web application development company but trust me that’s not the case at all as these people are the professionals who know the correct way to deal with such things.