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Typical Web Application Security Issues and Solutions

Avatar of John Hannah John Hannah
Last updated on: February 11, 2022

For far too many businesses, cybersecurity does not become a concern until after an incident has struck. By essence, a good strategy for IT security must be both proactive and defensive.

What is the definition of a security issue?

Any unaddressed danger or weakness in your infrastructure that cybercriminals could exploit to do harm to your systems or data is referred to as a security issue. This includes flaws in the servers and software that connect your company to clients, as well as flaws in your company’s processes and personnel. A weakness that hasn’t been discovered yet is just that: it hasn’t been discovered yet. Because attack attempts are unavoidable, web security issues should be rectified as soon as they are detected, and effort should be placed into detecting them.

What’s the most common target of hacker assaults?

Web apps are one of the prime targets for hacker assaults because they enable simple access to a bigger community, permitting malicious code to proliferate more quickly.

In this article, we’ll look at the most frequent web application vulnerabilities and some strategies for preventing them. And have you ever questioned yourselves what are the web application security best practices?

What are the most prominent security issues?

❖ Injection

Injection occurs when untrustworthy or unprocessed data is sent as part of a request to a server or browser. SQL injections, NoSQL injections, LDAP injections, OS injections, and other forms of injections are all conceivable. SQL queries, on the other hand, are the most typical object of malicious intent. Attackers gain accessibility to critical application data by passing unfiltered data through the SQL query. As a consequence, they can collect user personal data, bank cards, and passwords, among other things.

Prevention:

  • The inputs are checked and verified.
  • Prepared queries with parameterized statements.
  • User privileges are controlled.

❖ Authentication Issues

Broken authentication refers to weaknesses in which authentication and session control credentials are not properly implemented.

Because of this flaw, hackers can assume a valid user’s identity, get access to sensitive data, and possibly abuse the designated ID rights.

Prevention:

  • Authentication with multiple variables.
  • Denial of poor passwords.
  • The timeframe of the session.
  • Safety warnings.

❖ Exposed Sensitive Data

Customers’ private data, such as contact information, account information, banking information, and so on, is revealed in this type of web application security issue. Companies should be aware of the data exposure vulnerability since it can lead to more catastrophic effects such as broken authentication, injection, man-in-the-middle, and other forms of attacks.

Prevention:

  • Improved data security.
  • Protocols for protection.

❖ External Entities in XML

Web apps that handle XML input are targeted by XXE attacks. They frequently occur as a result of outdated or improperly configured XML processors. Hackers can use this vulnerability to get access to the backend and external systems and perform server-side request forgery (SSRF).

Prevention:

  • Disabling DTD.

❖ Insecure Direct Object References (IDOR)

An attacker usually acquires access to database objects relating to other users by manipulating the URL. The URL, for example, exposes the reference to a database object.

When someone can alter the URL, they can gain access to other crucial data (such as monthly salary slips) without requiring extra authorization.

Prevention:

  • At the appropriate stages, do adequate user authorization checks.
  • Create your own error messages.
  • Avoid using URLs that contain references to objects.

Security is an important component of modern web app development. Companies must develop innovative security solutions to combat hackers and give their consumers sturdy and secure applications in order to remain competitive in the market.

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Avatar of John Hannah

John Hannah

John Hannah is a part-time blogger. He likes to travel a lot.

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