Skip to content

How long does Defence security clearance take?

Explore some of our latest AI related thought leadership and research

6clicks has been built for cyber risk and compliance professionals to automate and streamline security compliance, IT risk management, vendor risk management, incident management, and more.

Learn more about our Hub & Spoke architecture, Hailey AI engine and explore the other content in our platform here

Risk, threat and vulnerability - what's the difference?

Risk, threat and vulnerability - what's the difference?

What is the difference between NIST 800-53 and NIST CSF?

What is the difference between NIST 800-53 and NIST CSF?

The top 5 vendor risk assessment questionnaires for 2023

The top 5 vendor risk assessment questionnaires for 2023

What is a risk register and how to automate

What is a risk register and why is it important?

Top management's key responsibilities for ISO 27001 implementation

Top management's key responsibilities for ISO 27001 implementation

The founder’s story: How 6clicks was born and what’s behind the name

The founder’s story: How 6clicks was born and what’s behind the name


Background on security clearance

Securing a security clearance is a crucial step for individuals seeking employment with federal agencies or government contractors. A security clearance is a determination made by the U.S. Department of Defense and other federal agencies to grant individuals access to classified information or work with sensitive materials. The level of clearance required depends on the nature of the job and the level of access needed. The process involves an in-depth background investigation to assess an individual's suitability for access to classified information. This investigation typically includes reviewing an individual's financial history, employment history, credit check, unpaid bills, and foreign travel. It also includes interviews with references and close associates. The duration of the security clearance process can vary depending on several factors, including the level of clearance needed, the thoroughness of the investigation, and any additional investigative requirements. In general, the process can take anywhere from several months to over a year to complete.

What is a defence security clearance?

A defense security clearance is a specific type of security clearance granted by the Department of Defense (DoD) to individuals who require access to classified information or sensitive areas. This clearance is essential for individuals working in federal agencies, government positions, or military service where national security is a concern.

During the defense security clearance process, several factors are closely evaluated. These factors include background investigations, employment history, financial history including credit checks and unpaid bills, foreign travel, and additional investigations as required by the position and level of clearance. The goal of the clearance process is to determine an individual's eligibility for access to classified information and to ensure the individual's loyalty, reliability, and trustworthiness.

The defense security clearance is managed by the DoD and its agencies, including the Defense Counterintelligence and Security Agency (DCSA) and the Defense Office of Hearings and Appeals (DOHA). The process can vary in duration depending on the specific level of clearance and the complexity of the investigation required. Generally, the clearance process takes several months to complete, but it can take longer for higher levels of clearance and for individuals with more complex backgrounds.

The security clearance process

The security clearance process is a vital aspect of ensuring national security. It involves a thorough evaluation of an individual's background, including their employment and financial history, foreign travel, and additional investigations as required. This process is managed by the Department of Defense (DoD) and its agencies, such as the Defense Counterintelligence and Security Agency (DCSA) and the Defense Office of Hearings and Appeals (DOHA). The duration of the clearance process can vary depending on the level of clearance and the complexity of the investigation. While it generally takes several months to complete, individuals with higher levels of clearance or more complex backgrounds may experience a longer process. The ultimate goal is to determine an individual's eligibility for access to classified information, ensuring their loyalty, reliability, and trustworthiness. By carefully assessing each candidate, the security clearance process plays a crucial role in safeguarding national interests and protecting sensitive information.

Eligibility requirements

Eligibility Requirements for Security Clearance

Obtaining a security clearance comes with certain eligibility requirements. In order to apply for a security clearance in Australia, applicants must hold Australian citizenship. However, dual citizenship is also acceptable.

The eligibility requirements are in place to ensure that individuals who access sensitive information or work in positions of trust in the government or private sector have the necessary qualifications and trustworthiness.

In addition to citizenship, other factors that may be taken into consideration during the security clearance process include the individual's background, personal conduct, loyalty to Australia, and potential vulnerability to exploitation. These investigations are designed to assess an individual's suitability for accessing classified and sensitive information.

During the security clearance process, individuals may be granted an interim security clearance, which allows them to operate in their designated role while the full security clearance is being processed. The interim eligibility period provides expedited access to classified information based on a preliminary assessment of the individual's trustworthiness.

It is important to note that the interim security clearance is not a guarantee of the full security clearance being granted. However, it allows individuals to perform their duties in the interim period.

Initial investigation and application

The initial investigation and application process for a defence security clearance involves several steps to ensure the eligibility and trustworthiness of individuals seeking access to classified information.

To begin, applicants must complete and submit the appropriate forms and required documents to the hiring office. These forms typically include personal information, employment history, references, and consent for a background investigation.

Once the forms are received, the hiring office will review them for accuracy and completeness before submitting them to the Defense Security Service (DSS) for further processing. The DSS is responsible for conducting the background investigation to assess an individual's suitability for a security clearance.

During the investigation process, the DSS will perform record checks, including criminal history, employment records, and credit history. They may also conduct interviews with the applicant, references, and current or former colleagues. Additionally, the DSS may verify information provided in the application forms through further inquiries and checks.

The DSS aims to gather as much information as possible to make an informed assessment regarding an individual's trustworthiness and ability to handle classified information. The investigation process may take several months to complete, depending on the complexity of the case and the level of security clearance being sought.

It is important for applicants to be truthful and provide all requested information accurately to avoid delays in the investigation process. The DSS conducts thorough evaluations to ensure national security is upheld and sensitive information is protected.

Additional investigations for High-Level positions

In addition to the initial background investigation, high-level positions in the security clearance process may require additional investigations to thoroughly assess an applicant's suitability. These additional investigations are necessary due to the increased level of responsibility and access to classified information associated with high-level clearances.

The purpose of these additional investigations is to gather a comprehensive understanding of the applicant's background, character, and potential risks. This helps to ensure that individuals appointed to high-level positions are trustworthy and able to handle sensitive information securely.

During these additional investigations, a range of individuals and groups may be interviewed to provide insights into the applicant's character and suitability. This can include supervisors, colleagues, friends, neighbors, and even family members. The purpose of these interviews is to verify the information provided by the applicant and gain a broader perspective on their behavior, trustworthiness, and integrity.

The scope of these investigations may also include a deeper examination of the applicant's financial history, travel records, and associations. This is to identify any potential vulnerabilities or risks that could compromise national security or the proper handling of classified information.

Final approval/denial of security clearance

The final approval or denial process for a security clearance involves a thorough review of all the information gathered during the background investigation. This evaluation is conducted by a team of security professionals who carefully assess the applicant's suitability for accessing classified information or holding sensitive positions.

Several criteria are considered during the decision-making process. These include the applicant's loyalty to the United States, trustworthiness, reliability, discretion, and potential for coercion. The applicant's character and integrity are also critically evaluated, along with their ability to protect classified information and comply with security protocols.

Factors that may contribute to the approval or denial of a security clearance include criminal records, substance abuse issues, financial irresponsibility, foreign affiliations, and misrepresentations or omissions of information during the application process. While each case is evaluated on an individual basis, these factors can significantly impact the final determination.

Additional steps or requirements may be involved in the final determination. This can include interviews with the applicant, consultations with relevant agencies or experts, and the review of any mitigating factors that could offset potential concerns. The decision is ultimately made based on the totality of the evidence gathered and an assessment of the applicant's overall suitability for a security clearance.

Average length of time for the process

On average, the process of obtaining a security clearance can take several months to over a year. The length of time can vary depending on a variety of factors, including the level of clearance being sought, the complexity of the applicant's background, and the workload of the agency responsible for conducting the background investigation. It is important for individuals seeking a security clearance to be prepared for a potentially lengthy process and to ensure that they provide all required information and documentation in a timely manner to avoid delays. In some cases, interim clearances may be granted during the investigation process to allow individuals to begin working in a position that requires access to classified information while the full clearance is being processed. However, it should be noted that the granting of an interim clearance does not guarantee that the final clearance will be approved.

Factors that affect processing time

When it comes to the processing time for defence security clearance applications, there are several factors that can affect how long the process takes. One significant factor is the backlog of security clearances. If there is a large number of applications awaiting processing, it can contribute to longer processing times.

The types of investigations required for different clearance levels can also impact the processing time. More extensive background investigations, such as for top-secret clearances, may take longer to complete compared to lower levels of clearance.

Geographic locations can also affect processing times. Different regions may have varying resources and staffing levels, which can influence the speed of the clearance process.

International travel can further complicate security clearance applications. Extensive foreign travel or connections with foreign nationals may require additional investigations and verifications, leading to longer processing times.

Difficult background information can also slow down the clearance process. Factors like a complex financial history or a lengthy employment history may require additional time for thorough evaluation.

General thought leadership and news

The buyers guide for MSPs and advisors considering 6clicks

The buyer’s guide for MSPs and advisors considering 6clicks

Selecting a cybersecurity, risk, and compliance platform like 6clicks involves a range of important considerations for managed service providers...

Regulatory changes and their impact on GRC

Regulatory changes and their impact on GRC

The ever-shifting regulatory landscape impels organizations to constantly recalibrate their GRC strategy according to all relevant laws and...

Growing together: our partnership philosophy

Growing together: our partnership philosophy

Our commitment to your success in the cybersecurity risk and compliance market is unwavering. At 6clicks, our motto, "GRC software that's smart, not...

Digital transformation for your MSP or advisory business

Digital transformation for your MSP or advisory business

This article follows our research and interviews with cyber, risk and compliance leaders. These industry leaders spread across Global Systems...

Cyber incident response: A critical component of enterprise security planning

Cyber incident response: A critical component of enterprise security planning

While beneficial, digital transformation has opened the door to various modern cyber threats. These threats are becoming increasingly sophisticated,...

6clicks on Azure Private Cloud for GRC managed services

6clicks on Azure Private Cloud for GRC managed services

Managed service providers play a critical role in helping organizations navigate complex regulatory landscapes and implement robust cyber GRC...