Ways to Improve Web Application Security:  Complete Guide for Businesses

Ways to Improve Web Application Security: Complete Guide for Businesses

Today, computers have become the backbone of human endeavor. Any enterprise irrespective of the scale and scope, seeks real-time computing and the internet to operate through the regular mundaneness of businesses. In such an inclusive digital world, web applications are the lifeblood of businesses and individuals alike. 

Terraforming the mode of communication, the internet has revolutionized the way societies, countries, and companies interact. From online banking to social media, internet-enabled web applications fuel the operations of countless organizations holding the utmost strategic and economic prominence. Enabling an online presence, web applications connect businesses to the world in terms of other businesses and customers. 

While the expansive adaptation of web applications has redefined the way businesses operate, communicate, and access information, they have brought along newer and nuanced risks in terms of cybercrime.

Understanding the Risks: Web Application Vulnerabilities

Having addressed the proliferation of web applications, it is imperative to be aware of the magnitude of risks in this regard.

Based on reports from Kaspersky, McAfee, and Quick Heal, phishing, ransomware, and crypto-jacking attacks have been prevalent in the digital space. Phishing attacks significantly outpaced the others, with 240 million incidents in 2019, while ransomware and crypto-jacking attacks combined totaled under 14 million.

Most attacks in 2019 were criminally motivated, constituting 84% of cybercrimes. Individuals were the primary targets, as they often lacked cybersecurity knowledge and antivirus protection, making them vulnerable to attacks. Web applications are not immune to vulnerabilities. From data breaches to financial losses and reputational damage, the fallout from a web application security breach can be severe. Some common web application vulnerabilities include SQL injection, cross-site scripting (XSS), and security misconfigurations.

While businesses largely focus on the aspects of user experience, personalization, and expansion strategies for web applications, improving web application security has been sidelined resulting in outdated mechanisms deployed to face newer and evolved risks. With so many negative implications it is prudent to create a safety net by following the security best practices.

Top 10 Web Application Security Best Practices

#1. Thorough Testing and Validation:

Routine testing functions as a health check to improve web application security. This proactive approach combines the precision of automated tools with the intuition of manual testers, creating a robust defense against potential breaches.

Validation of user inputs emerges as the stalwart guardian against threats such as halting SQL injection and XSS assaults. It is a rigorous process that meticulously verifies user-provided data, by adhering to predefined rules and formats. Thus testing and validation aren't optional add-ons; they are the foundation to improve web application security.

#2. Security Patch Management:

It is the systematic process of identifying, acquiring, testing, and applying security patches and updates to rectify vulnerabilities. In a digital ecosystem filled with cyber threats, these patches are the lifeblood of defense to improve web application security. However, effective patch management with a well-coordinated approach encompassing vulnerability assessment, prioritization, testing, deployment, and monitoring can thwart 85% of targeted attacks and improve web application security exponentially.

#3. Session Management:

Session management entails the process of creating, maintaining, and terminating user sessions in web applications. It is critical to strengthen online application security by safeguarding sensitive user data such as login passwords, personal information, and payment information.

Statistics reflect improper session management is among the top ten most critical web application security risks. Effective session management employs techniques like token-based authentication, encryption, and secure cookie handling. It ensures that sessions are protected from session fixation, session hijacking, and session timeout vulnerabilities. Regular security audits and monitoring are vital components to significantly enhance web application security.

#4. Access Control:

This ensures that users have appropriate permissions and privileges within a web application and enables them to improve web application security. Flawed access controls are one of the common vulnerabilities, ranking in the top ten web application security risks.

Insufficient access control can lead to unauthorized access and data breaches. Access control mechanisms such as role-based access control (RBAC), multi-factor authentication (MFA), and strict password policies ensure that users only have access to the data and functions necessary for their roles, minimizing potential misuse and data breaches. Besides improving security, access control assures the right people have the right level of access.

#5. Data Encryption:

Estimations reflect that 99% of cloud security breaches will result from misconfigurations or mismanagement. Data encryption employs cryptographic algorithms to convert sensitive information into an unintelligible format to improve web application security.

According to some surveys in 2022, encryption is recognized as the most effective cybersecurity measure. It ensures that even if data is intercepted, it remains indecipherable to unauthorized parties. In a nutshell, the improvement of web application security relies heavily on data encryption. It's the shield that thwarts misconfigurations, mitigates breaches, and preserves the sanctity of sensitive information.

#6. Firewalls and WAFs:

Recent reports reveal that around 70% of organizations suffered a security incident in the last 12 months reflecting reduced quality of improvement in web application security. Firewalls and WAFs act as indispensable barriers against such incidents to improve web application security.

Firewalls act as a first line of defense, examining incoming and outgoing traffic, and permitting or blocking based on predefined security rules. WAFs, on the other hand, are tailored for web applications, identifying and thwarting OWASP Top Ten threats, including SQL injection and cross-site scripting (XSS) attacks. They analyze HTTP requests and filter malicious traffic. Precisely, firewalls and WAFs are the digital guardians to further web application security from evolving cyber threats.

#7. Error Handling:

Lately effective error handling is a critical defense to enhance web application security. Error handling involves strategies for graceful failure. It ensures that when an unexpected situation arises, sensitive information is not inadvertently exposed.

By providing custom error messages instead of system-generated ones, attackers are thwarted from gaining insights into system vulnerabilities. Additionally, error logging and monitoring help in identifying and addressing issues proactively. These mechanisms enhance web application security by preserving the confidentiality and integrity of web applications amidst a rapidly evolving threat landscape.

#8. API Security:

As of 2023, inadequate API security is the most common vector of attacks, resulting in data breaches leading to a notable hindrance in web application security. API security encompasses multifaceted approaches. Authentication and authorization protocols like OAuth 2.0 and OpenID Connect validate users and grant access based on predefined roles. Encryption of data during transit (HTTPS) and at rest assures confidentiality.

Additionally, rate limiting and throttling techniques mitigate potential DDoS attacks on APIs. A secure API improves web application security by safeguarding sensitive data but also fosters trust and reliability in an increasingly connected digital landscape.

#9. Rate Limiting and Monitoring:

To safeguard sensitive data and maintain operational integrity, Rate Limiting and Monitoring are essential components to fortify web application security. Monitoring complements Rate Limiting by providing real-time visibility into an application's performance and security. Rate Limiting, a security mechanism, helps mitigate these threats by restricting the number of requests an IP address can make to a web application, preventing brute force attacks and Distributed Denial of Service (DDoS) incidents. This translates to an immediate cost-saving by averting potential downtime and financial losses. Integrating Rate Limiting and Monitoring not only improves web application security against cyber threats but also safeguards an organization's reputation and financial stability.

#10. Incident Response Plan:

Cyberattacks are a relentless menace. Estimations suggest by 2025, 50% of organizations will have faced public scrutiny due to a web application security breach. To thwart such threats, an effective IRP is non-negotiable. An IRP outlines the procedures to follow when a security incident occurs. It defines roles, responsibilities, and communication protocols to improve web application security. A well-structured IRP mitigates damage, reduces recovery time, and maintains stakeholder trust.


Improving web application security is not a best practice in the digital world of today, where privacy is lauded to be a myth. While the above-mentioned best practices can fortify businesses against cyber threats, and protect sensitive data, it is imperative to stay in tandem with the changes and hire reliable web developers to ensure consistent updation to assure the trust and confidence of their users. 

In a world where the digital realm plays a central role, improving web application security with the changing times and technology is crucial. When it comes to implementing these strategies and practices you can lean on the best talented developers at Clarion Technologies. We work along with you to safeguard your digital assets, user trust, and your future in a dynamic connected world.


Dilip Kachot, a seasoned Technical Architect with over 7 years of experience in the Mobility domain, excels in driving successful delivery of cutting-edge solutions. His expertise lies in architecting and implementing innovative mobility solutions that align with the evolving technological landscape.

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