{"id":25930,"date":"2023-05-25T16:30:33","date_gmt":"2023-05-25T11:00:33","guid":{"rendered":"https:\/\/www.getastra.com\/blog\/?p=25930"},"modified":"2026-02-13T17:11:58","modified_gmt":"2026-02-13T11:41:58","slug":"security-audits","status":"publish","type":"post","link":"https:\/\/www.getastra.com\/blog\/security-audit\/security-audits\/","title":{"rendered":"What is a Security Audit? – Types, Process & Checklist (2026)"},"content":{"rendered":"\n

With the global cost of cybercrime reaching nearly $9.4 million in 2024<\/a>, there has never been a greater need for security measures to ensure data protection.<\/p>\n\n\n\n

Today, companies deal with vast amounts of sensitive data, and even if they do have thorough security measures in place, they must be audited periodically to test their continuous effectiveness and prevent cybercrimes. <\/p>\n\n\n\n

This is where security audits come in!<\/p>\n\n\n\n

<\/span>What is a Security Audit?<\/strong><\/span><\/h2>\n\n\n\n

A security audit systematically examines an organization\u2019s security systems, data protection policies, and safety procedures. It looks for security vulnerabilities that can penetrate the organization\u2019s information assets, physical assets, and personnel. <\/p>\n\n\n\n

A security audit assesses the effectiveness of existing security measures, detects security gaps and weaknesses, and recommends improvements to mitigate security risks.<\/p>\n\n\n\n

Go beyond checklist based reviews – [Schedule a security audit demo –><\/a>]<\/strong> to uncover real compliance and risk gaps.<\/p>\n\n\n\n

<\/span>How Often Should a Security Audit be Conducted?<\/strong><\/span><\/h2>\n\n\n\n

Security audits should be conducted at least once or twice a year, depending on the type of data the organization deals with. While vulnerability assessments are quick automated scans that can be conducted daily, penetration testing is time-consuming, making it best suited for a bi-annual basis.<\/p>\n\n\n\n

<\/span>Types of Security Audits<\/strong><\/span><\/h2>\n\n\n\n
\"types<\/figure>\n\n\n\n

Compliance Audit <\/strong><\/h3>\n\n\n\n

A security compliance audit evaluates how aligned an organization\u2019s security measures are with industry regulations such as HIPAA<\/a>, ISO 27001, or PCI DSS<\/a>. The goal is to identify areas where the organization’s compliance is lacking and ensure it complies with the necessary standards.<\/p>\n\n\n\n

Vulnerability Assessment <\/strong><\/h3>\n\n\n\n

A vulnerability assessment<\/a> identifies and quantifies potential vulnerabilities in an organization\u2019s systems and networks, usually using automated scanning software. Its objective is to identify possible security risks and recommend improvements to the organization\u2019s security posture. <\/p>\n\n\n\n

Penetration Testing <\/strong><\/h3>\n\n\n\n

Penetration testing simulates a real-world attack on an organization\u2019s systems and networks to identify potential vulnerabilities and weaknesses. <\/p>\n\n\n\n

This is conducted manually by a security tester who emulates hacker behavior to identify potential security risks and test the organization\u2019s ability to detect and respond to an attack.

A specific subset of this, web app pentesting<\/a>, focuses on testing web applications for vulnerabilities such as SQL injection, XSS, authentication flaws, and insecure configurations, ensuring that customer-facing assets remain secure.<\/p>\n\n\n\n

Don\u2019t wait for compliance pressure to act. [Request a security audit demo –><\/a>] <\/strong>and validate your controls today.<\/p>\n\n\n\n

Risk Assessment<\/strong><\/h3>\n\n\n\n

A risk assessment evaluates an organization\u2019s overall security risk profile by identifying potential risks arising from vulnerabilities and their likelihood of occurrence. <\/p>\n\n\n\n

Both manual and automated methods are used to determine the possible breaches that can occur due to a single or combination of multiple vulnerabilities.<\/p>\n\n\n\n

Social Engineering Audit <\/strong><\/h3>\n\n\n\n

A social engineering audit assesses an organization’s vulnerability to social engineering attacks, such as phishing, pretexting, or baiting. The goal is to find gaps in the organization’s security awareness training and offer suggestions for strengthening it.<\/p>\n\n\n\n

Configuration Audit <\/strong><\/h3>\n\n\n\n

A configuration audit evaluates an organization\u2019s system configurations to ensure they are secure and compliant with industry standards. The primary goal is to find possible security threats and offer suggestions for strengthening the organization’s security posture.<\/p>\n\n\n\n

<\/span>Internal vs. External Security Audits<\/strong><\/span><\/h2>\n\n\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Feature<\/th>Internal Vulnerability Scanner<\/th>External Vulnerability Scanner<\/th>\n<\/tr>\n<\/thead>\n
Purpose<\/td>Identifies vulnerabilities within an assigned perimeter of the asset.<\/td>Identifies vulnerabilities exposed to the internet.<\/td>\n<\/tr>\n
Scope<\/td>Scans systems, applications, and networks within the organization's internal infrastructure.<\/td>Scans systems, applications, and networks accessible from the internet.<\/td>\n<\/tr>\n
Access<\/td>Requires internal application access and credentials.<\/td>Does not require internal access but may need credentials and asset mapping for specific scans.<\/td>\n<\/tr>\n
Focus<\/td>Identifies vulnerabilities that could be exploited by insiders or compromised systems.<\/td>Identifies vulnerabilities that could be exploited by external attackers.<\/td>\n<\/tr>\n
Common Techniques<\/td>Asset Discovery, port scanning, vulnerability signature matching, exploit testing, configuration audits<\/td>Network scanning, port scanning, DNS enumeration, web application scanning, exploitation, fuzzing.<\/td>\n<\/tr>\n
Advantages<\/td>Provides a more comprehensive view of the organization's security posture. Can identify vulnerabilities that may not be detectable from the outside.<\/td>Identifies vulnerabilities that could be exploited by external attackers. It can help prevent public-facing breaches.<\/td>\n<\/tr>\n
Disadvantages<\/td>May not detect vulnerabilities that are only accessible from the internet. Requires internal network access and credentials.<\/td>May not detect vulnerabilities that are only accessible from within the network.<\/td>\n<\/tr>\n
Use Cases<\/td>Internal security assessments, compliance audits, and vulnerability management programs.<\/td>External security assessments, penetration testing, and risk management.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n

Internal Audits<\/strong><\/h3>\n\n\n\n

Internal security auditing is conducted by an organization\u2019s internal audit team, composed of employees. <\/p>\n\n\n\n

An internal audit evaluates how well an organization’s internal controls, processes, and procedures work to verify that they conform to industry standards and laws.<\/p>\n\n\n\n

Internal audits are frequently conducted to identify opportunities for development and guarantee the security of the company’s assets. <\/p>\n\n\n\n

External Audits<\/strong><\/h3>\n\n\n\n

An external security audit is conducted by an impartial third-party auditor not connected to the company. It independently assesses a company’s internal controls, financial statements, and compliance with industry norms and laws.<\/p>\n\n\n\n

External audits are typically conducted less frequently than internal audits, such as once a year. External auditors rely on the information provided by the organization\u2019s internal audit team to perform their evaluation.<\/p>\n\n\n\n

Still, they may also conduct their investigations and research to ensure the organization complies with industry standards.<\/p>\n\n\n\n

<\/span>How to Conduct a Security Audit<\/strong><\/span><\/h2>\n\n\n\n
\"security<\/figure>\n\n\n\n

Planning and Scoping<\/strong><\/h3>\n\n\n\n

The first stage of a security audit is planning and defining the audit’s scope. This includes determining the audit’s parameters, the regions to be assessed, the audit team, and the necessary resources.<\/p>\n\n\n\n

The team will also specify the audit’s goals, anticipated results, and schedule.<\/p>\n\n\n\n

Information Gathering <\/strong><\/h3>\n\n\n\n

The next stage in a security audit is obtaining information on the organization’s systems, procedures, and controls. This includes technical evaluations, analyzing paperwork, and speaking with essential persons. The audit team will then use this data to pinpoint security holes and threats.<\/p>\n\n\n\n

Risk Assessment <\/strong><\/h3>\n\n\n\n

Once the security audit tool has gathered sufficient information, a risk assessment is conducted to identify potential security risks and vulnerabilities. <\/p>\n\n\n\n

This involves analyzing the data collected during the information-gathering phase to determine where the organization may be susceptible to security risks.<\/p>\n\n\n\n

Testing and Evaluation<\/strong><\/h3>\n\n\n\n

After that, the audit team will conduct several tests and assessments to determine the effectiveness of the organization’s security measures.<\/p>\n\n\n\n

This may involve vulnerability scans, penetration testing, social engineering tests, or other types of security assessments.<\/p>\n\n\n\n

Reporting<\/strong><\/h3>\n\n\n\n

The final step in a security audit is preparing a report <\/a>summarizing the audit findings and recommendations. This report will typically include an executive summary, a detailed analysis of the findings, and suggestions for improving the organization\u2019s security posture. <\/p>\n\n\n\n

Findings and Recommendations <\/strong><\/h3>\n\n\n\n

After the security audit, the potential risks and vulnerabilities are discussed, and recommendations are made to improve the organization\u2019s security posture. <\/p>\n\n\n\n

The audit team may also provide a risk rating for each identified risk based on its likelihood and impact.<\/p>\n\n\n