How to Perform a Website Security Audit Assessment

Unfortunately, even if you take all the critical steps to address security vulnerabilities, infiltrations are always possible. Simply put, today's threat actors are extremely talented and persistent. Vigilance needs to take a step up — and that's where a website security audit or assessment can come into play. Keep reading to learn what this involves, why it's important, and what it will take to prevent today's most harmful attacks.

What is a website security audit?

A website security audit involves a systematic approach to identifying vulnerabilities and security loopholes. It involves a full overview of the site's core files, server, and plugins, all of which are examined for both existing and potential problems. During this process, the website in question is scanned for common weaknesses, with the entire infrastructure examined in detail. This may be followed by configuration and penetration testing.

A website security audit can help:

• Identify outdated software or poorly configured websites that are vulnerable to cyber threats.

• Protect data by evaluating encryption techniques and access controls, guaranteeing the security of sensitive data.

• Stop hacking attempts and unauthorized access to your website by looking at code and server configurations.

• Ensure that your website complies with applicable laws and industry standards.

• Bolster security measures, such as setting up firewalls, creating secure passwords, and updating software frequently.

Website security audit checklist

Website security audits are extensive by nature. They strive to detect a wide range of vulnerabilities and infections and call for a similarly wide range of strategies to reveal where and how your website may be at risk. We've created a detailed checklist that outlines this risk assessment process, so you can feel more confident in what, exactly, you're about to undergo.

1. Prepare for the audit

Website security audits are most successful when they are thoroughly planned and prepared. This means understanding why you need an audit and what, exactly, you intend to learn. Ideally, you will already have a basic idea of where your website security is lacking, although, of course, you'll also want to be prepared for unexpected infections or vulnerabilities to be uncovered during any security testing.

Begin by setting a few clear and concise goals to guide this process. Which website elements invite the most risk? Which security issues have you faced in the past? Highlight these target areas or problems as you define the scope of your audit. This is where our checklist can come in handy: it helps you determine what you want to cover during your audit and how extensive the security testing should be.

Before moving forward, take time to back up your entire website, including databases and critical configuration files, to ensure you can safely recover if issues are uncovered during the audit. It is also helpful to gather system information upfront, such as your CMS version, installed plugins, server details, and current SSL or TLS configuration, so you have a clear baseline for comparison as you assess your website’s overall security posture.

2. Run a security scan for website vulnerabilities or infections

Once you have a plan in place, it's time to determine the current status of your website. Start by running an automated website malware scanner and a full website security check. These automated tools can quickly give you a baseline, identify malware infections, outdated software, and common security risks that may not be visible through manual review. It is also important to perform a blacklist check to confirm whether your website has been flagged by search engines or security authorities. After reviewing these initial things, you can move on to more manual checks for deeper inspection.

Check for common vulnerabilities

Vulnerabilities are weaknesses that make it easier for hackers to gain control over your site or even your hosting web server. If discovered by malicious parties, these misconfigurations can be exploited, leading to stolen data or malicious content distribution. Common website vulnerabilities include:

• SQL injections

• Cross-site scripting (XSS)

• Remote file inclusion (RFI)

• Command injections

• Cross-site request forgery (CSRF)

Security concerns such as outdated software and open admin ports should also be identified and addressed during this vulnerability assessment. Security breaches come in many forms, and both information security experts and novices will face these security threats.

Conduct malware scans

Vulnerability scans should be accompanied by malware scans, which reveal which types of malicious content have already entered your website via previously exploited vulnerabilities. Examples include:

• Ransomware

• Spyware

• Trojans

• Fileless malware

• Worms

• Viruses

• Rootkits

• Keyloggers

• Bots or botnets

While it is possible to manually check for malware, this process is time-consuming and calls for a great deal of cybersecurity expertise. Automated malware scanning and security tools are a far more reliable option. This solution can be used during your website security assessment, but can also be continued as a daily routine to provide peace of mind long after your audit has been completed.

Manual checks can still be useful for reviewing suspicious file changes or specific code issues, but automated scanning tools should remain the foundation of any website security assessment.

Check blacklist status

A blacklist check helps you determine whether search engines or security authorities have flagged your website for malware, phishing, or other suspicious activity. If your site appears on a blacklist, users may see warning pages, and your search visibility can drop significantly.

Start by scanning your domain with a blacklist monitoring tool. These tools check services such as Google Safe Browsing, Norton Safe Web, and other security databases for any active warnings. If an issue is reported, review the associated details, remove the problem, and submit a review request once your site is clean.

Review passwords and permissions

Weak passwords provide threat actors easy access, but are often neglected by website owners and users. A data security audit provides the perfect opportunity to determine whether passwords follow best practices. Dedicated password audits can reveal whether password lengths are sufficient or whether common words or patterns appear too often.

​​During this review, take time to assess user permissions as well. Confirm that each account has the appropriate access level, including owner, administrator, editor, or standard user. Remove inactive accounts and apply the principle of least privilege so users only have the access they truly need.

Later, we'll touch on strategies for promoting strong password protection moving forward. For now, it's simply important to understand where your passwords fall short.

3. Analyze user data protection measures

Strong encryption provides a much-needed extra layer of site security. This is especially important for organizations handling sensitive data or operating under requirements such as HIPAA (Health Insurance Portability and Accountability Act). SSL and TLS certificates help validate your identity while creating a secure, encrypted connection between your website and its users in real-time. Take some time to assess whether the current level of validation is sufficient. It's also important to check whether these certificates have expired or need to be renewed soon.

4. Ensure website integrity

Has your digital information been corrupted or otherwise interfered with at some point? Without an in-depth web security audit, you may never realize that your website and its data are less accurate, consistent, or complete than you expected.

To begin, check for website defacements. During a defacement attack, malicious players penetrate your website and replace its content. This is often regarded as the virtual version of graffiti. This can damage your reputation and lead to considerable downtime as you work to get rid of it. These types of malicious code are typically easy to detect, but monitoring solutions can ensure that you catch instances of defacement as quickly as possible.

Other essentials include a full review of logging mechanisms, plus examining file and directory permissions. The former provides better insight into the status of your cybersecurity setup and may help identify new threats. Unfortunately, configurations tend to be poor for custom application event logging, even though this tends to provide more powerful insight than strictly infrastructure logging. In general, plan to keep process monitoring and transaction logs separate, as these serve decidedly separate purposes.

5. Evaluate network security

Your website's underlying network infrastructure can be vulnerable to attacks. During a security audit, you can gain greater oversight of the various hardware and software components that contribute to your overall network security status. Steps to consider include:

• Analyze firewall configurations. Firewalls form essential barriers and should be robust to amplify protection. Web application firewalls (WAFs) are especially important, as they serve as a critical line of defense against brute force attacks and other security threats.

• Evaluate intrusion detection and prevention systems. Intrusion detection and prevention systems (IDPS) provide network oversight and can highlight loopholes in your information security setup. Are these systems accomplishing their intended purpose? Take a close look at coverage (both quantity and quality) along with protocol decodes and susceptibility to common evasion techniques.

• Check for open ports. Are any UDP or TCP port numbers currently configured to accept packets? If so, threat actors may gain easy access to sensitive data. Conduct a network scan to reveal which ports have been unintentionally left open.

6. Review user accounts

Strict password policies are critical for preventing brute force attacks. These must be developed and enforced — and ideally, they will incorporate multi-factor authentication. Users should also be encouraged to use lengthy passwords (at least twelve characters) involving random strings of letters, numbers, and characters.

Don't forget to assess user roles, which determine the level of access that various types of users get. The rule of least access should always be followed, meaning that higher-level permissions are only given to a few select users and only when they're essential to carrying out key tasks.

Finally, any overview of password protection should delve into session management procedures. This defines exchanges between web applications and users.

7. Monitor security incidents

In the event of a breach, what will your response look like — and how much downtime will your site suffer? High-level security monitoring will help you detect issues early on when they're often easier to mitigate.

Beyond this, a thorough plan must be developed for responding to potential incidents, as no matter how robust your security strategy becomes, the occasional breach remains within the realm of possibility. Begin with a thorough overview of security event logging solutions. From there, verify incident reporting and escalation processes.

8. Reporting and remediation

Once you've uncovered key vulnerabilities or security oversights, what will you do with that information? This must be clearly and thoroughly documented so that you are aware of the full spectrum of risks. Prioritize based on urgency and severity — and then refer all issues to your information security team.

Now, it's time to create an actionable plan. How will you translate audit findings into actual security solutions? Be sure to incorporate a timeline, which will keep your team on track as they implement much-needed security improvements.

After applying the necessary fixes, run a follow-up security scan to confirm that all issues have been resolved. Verifying the results ensures that no vulnerabilities were missed and that recent changes have not introduced new risks. This final review completes the audit loop and gives you confidence that your website is secure before moving back into routine maintenance.

9. Ongoing security maintenance

A website security audit should not be a one-time task. New issues are sure to arise, and security procedures may take some time to refine. As such, auditing should be a central part of your long-term cybersecurity strategy. This means committing to regular audits and penetration tests. Hopefully, each additional audit will reveal fewer and less severe concerns than your initial assessment. If you aren't seeing sufficient progress, you can tailor your action plan accordingly.

Additionally, you want to stay up to date on the latest cybersecurity developments, including new audit tools and automation technologies, as well as details about recent breaches suffered by other organizations, and emerging potential threats that have the potential to wreak havoc. Threat actors are constantly adjusting their strategies and methods, so it takes an active security posture to keep them at bay.

The importance of website security checklists

Website security checklists play a crucial role in ensuring the integrity and safety of online platforms, particularly regarding eCommerce. These checklists are essential for maintaining PCI DSS (Payment Card Industry Data Security Standard) compliance, which is standard for any website handling payment card information. They help identify and secure sensitive information (i.e., credit card numbers, personal data, etc.) through rigorous security measures and protocols. By implementing comprehensive security policies, including encryption and regular audits, website owners can mitigate risks associated with data breaches and cyberattacks.

Moreover, security checklists aid in managing user access effectively, ensuring that only authorized personnel have access to sensitive data and functionalities through robust access controls. These controls limit access to specific areas of the website based on user roles, reducing the risk of unauthorized data breaches. Overall, website security checklists are indispensable tools in the fight against cyber threats, protecting both businesses and users.

Automating the website security process

The website security assessment process is extensive and time-consuming. This is a lot to handle on your own, but thankfully, solid support is available every step of the way.

SiteLock offers a variety of automated services designed to optimize your security audits and assessments, which is especially helpful for small businesses that do not have a dedicated IT security department. Our comprehensive set of solutions incorporates high-level malware scanning and removal, vulnerability patching, and website backup services.

Reach out today to learn more about these strategies and the role our plans can play in boosting security for your business website.

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