Building A Strong Security Posture: Best Practices

Organizations face a relentless barrage of cyber threats. From ransomware groups to insider misuse and the risks introduced by emerging technologies like AI, the attack surface is expanding more quickly than most organizations can keep up with. News headlines about data breaches, supply chain compromises, and massive regulatory fines all serve as reminders that maintaining resilience is essential to all organizations.

One of the most effective ways for an organization to measure and improve cybersecurity resilience is by focusing on its security posture. At its core, the security posture represents the current state of an organization’s ability to defend against threats. It is not simply a checklist of technical and administrative controls but a holistic view of how people, processes, and technology align to protect critical information assets.

This article explores the best practices for developing and maintaining a strong security posture within organizations.

Best Practices for a Strong Security Posture

Organizations can strengthen their security posture by following several core best practices. First, they should implement an asset inventory to ensure they maintain an accurate and up-to-date record of all assets. They should also set up and use identity and access management so that only authorized and trusted identities are able to access organizational assets. In addition, organizations need to create a cybersecurity risk management program that gives decision-makers a clear view of the overall risk landscape.

Strong governance is also essential. Organizations should institute clear governance policies that define and enforce expectations around security, training, awareness, and communication. They should also leverage AI and automation responsibly to improve efficiency and effectiveness across security operations. Finally, organizations should focus on continuous improvement by using feedback from activities such as reviews, assessments, and audits to strengthen and refine their security posture over time.

Implement an Asset Inventory

Visibility into the assets and devices connecting and transmitting data within your organization’s environment is the foundation of a strong security posture. You cannot defend or protect what you do not know exists. Organizations have long struggled with “shadow IT” (unknown and untracked applications), sprawling cloud resources, and employee-owned personal devices that connect to business networks without following an approved process. Each of these can introduce unseen vulnerabilities into an already busy security scene.

The first step in establishing an asset inventory is identifying the authority that will be responsible for the care and maintenance of the asset inventory. Be sure that this is entrusted to a person or group with enough authority to achieve success.

The next step is figuring out what your organization needs to identify, i.e., what is an “asset” to you. The following categories are common for setting up an asset inventory:

• Hardware: Servers, endpoints, mobile devices, and IoT sensors
• Software: Licensed applications, open-source tools, and cloud platforms
• Data: Sensitive business, customer, or regulated data
• Services: Third-party APIs, SaaS platforms, and outsourced providers

Once the scope is established for what assets will be inventoried and tracked, it is  critical to also identify the owners of these assets to maintain accountability and responsibility throughout the lifecycle of the assets. The level of granularity for ownership depends on your organization and culture, but it is usually beneficial to identify a role or position within a business unit (BU) or department that will be the owner in the event of personnel changes.

Next up is working with the various groups and departments to account for all assets. This is best done by using automated discovery and monitoring tools that can scour the network, detect connected devices, apply mandatory updates and security patches, track down data, and potentially tag different data types.

A complete and accurate inventory provides the transparency and situational awareness needed to prioritize vulnerabilities in a timely manner and defend the most critical systems.

Set up and Use Identity and Access Management

One of the most common attack vectors in data breaches continues to be compromised credentials. Even unskilled malicious actors know that obtaining access to a target identity, especially one with privileged access, can open the gates to the kingdom, allowing them to bypass traditional static defenses and move undetected within a compromised environment. Due to this, a strong security posture requires strong identity and access management (IAM), ensuring that only authorized individuals and systems have access and only to the assets they need to fulfill their tasks.

Some foundational principles of IAM include:

• Least Privilege: Granting users the minimum access required to perform their role
• Role-based access control (RBAC): Standardizing access assignments based on pre-defined roles within the organization
• Multi-factor authentication (MFA): Reducing reliance on passwords alone and enforcing a second or third form of authentication

The security principle of least privilege means granting users only the level of access required to perform their job. Too often, there are employees who accumulate excess permissions over time, carrying access into new roles and compounding the level of access and rights they have to a variety of systems and data, which leads to a treasure trove for malicious actors (both insider threats and malicious external actors). 

Additionally, because the access was provided in a legitimate way from the organization, it may be difficult to identify a malicious actor navigating between applications and systems.

To reduce excessive permissions and enforce the principle of least privilege, organizations should implement role-based access control (RBAC), a method that maps standard job functions to predefined and approved access profiles that are easier to monitor and enforce rules for. This also establishes a framework through which the organization can perform regular reviews, leading to the timely revocation of credentials and the removal of stale or orphaned accounts. This is especially critical for privileged accounts, which should be monitored and reviewed more frequently. 

Additionally, the implementation of multi-factor authentication (MFA) is considered to be one of the most effective tools in reducing the likelihood of accounts being successfully hacked by requiring more than one method of authentication. An example is requiring a user to enter not just something they know (e.g., a password) but also something they “are” (like a fingerprint) or something they have (like a code from a phone), which are much more difficult for malicious actors to steal or fake.

Create a Cybersecurity Risk Management Program

An organization’s security posture is not just about tools; it is about making informed risk-based decisions to invest in cyber defenses and resiliency effectively. Cybersecurity risk management provides leaders with a clear picture of the threats and vulnerabilities facing the organization and how they intersect with business priorities. These should never be viewed as wholly separate entities, as the most effective cybersecurity programs will work hand-in-hand with the business to act as an enabler rather than inhibiting them.

A few of the core components of cyber risk management include:

• Threat and Vulnerability Management: Identifying, prioritizing, and remediating vulnerabilities
• Security Controls: Implementing and evaluating the effectiveness of technical, administrative, and physical safeguards
• Vendor Risk Management: Evaluating and monitoring third-party providers and suppliers
• Compliance Monitoring: Aligning with legal and regulatory requirements
• Emerging Technologies: Assessing the risks introduced by AI, IoT, or new cloud services

Organizations generate endless lists of potential threats and vulnerabilities through internal and external sources. However, without applying prioritization, critical gaps can remain open while teams are busy fixing issues with little real impact. Regular scanning, penetration testing, and red-team exercises provide visibility into weaknesses, but the real value lies in weighing them against the likelihood of exploitation and the potential business impact. This approach prevents wasted effort and resources while ensuring that the most critical vulnerabilities are addressed first.

Strong posture also depends on effectively implementing and maintaining security controls. Firewalls, encryption, access restrictions, and physical safeguards are only as strong as their implementation settings and ongoing validation. Too often, organizations establish controls and assume they remain effective indefinitely, i.e., “set and forget.” 

However, it is imperative to conduct regular testing and reviews to confirm that they are still performing their intended function as systems and processes evolve. At the same time, risk management must account for third parties, which are the primary attack vector for roughly a third of data breaches. 

Vendors and partners often hold the keys to critical systems and data, making them a common—and in many cases, easier— target for attackers, who then leverage their access to systems and data. Evaluating the security practices of vendors and partners up front, setting clear contractual requirements, and monitoring them continuously ensures that trust does not become a critical vulnerability.

Compliance provides another important security layer, offering a baseline of accountability to regulators, customers, and partners. However, compliance alone cannot guarantee resilience, and treating it as the security floor rather than the ceiling helps organizations avoid the trap of “check the box” security and keeps focus on real-world threats. That same forward-looking mindset also applies to emerging technologies. 

AI, IoT, and cloud-native services bring opportunity to scale and find efficiencies, but also introduce new risks that may not be fully understood. Risk management must evolve alongside these innovations, assessing how new tools could reshape the organization’s threat landscape and ensuring that guardrails are in place from the start and evaluated throughout the lifecycle.

When risk management is practiced in this way—prioritizing vulnerabilities, validating controls, continuously assessing vendors, monitoring compliance, and evaluating new technologies—it becomes more than a reporting exercise and transforms the organization’s risk program into a continuous cycle that strengthens resilience and ensures that the security posture adapts as quickly as the world around it.

Institute Strong Governance Policies

When it comes to security posture, the weakest link tends to be the human factor. Too often, organizations experience security incidents where someone clicked on a phishing link, misconfigured a tool or system, or was duped by an AI-generated impersonator. 

Governance encompasses the overarching approach that provides the policies, processes, and accountability structures that shape how security operates across the organization. It can act as the foundational blueprint for the organization to build on in improving its security posture.

Typically, the main elements of governance should include:

• Policies and Standards: Setting the parameters for organizational security by defining what is acceptable and how it should be enforced
• Training and Awareness: Educating employees and contractors (as applicable) on their role in protecting and safeguarding assets
• Open Communication: Creating a culture where employees feel empowered to report incidents, mistakes, or suspicious activity
• Leadership Engagement by Executives and Business Leaders: Setting the tone from the top

Strong governance and an empowered workforce are at the core of any effective security posture. Policies and standards provide the structure and guardrails that define what is acceptable and how it should / will be enforced. They set expectations for everything from data handling to password management, access permissions, and vendor engagement, among others. 

However, policies cannot simply exist on paper. They must be clear, actionable, and reviewed regularly so that employees know what applies to them and leaders can be confident that those standards reflect the day’s ever-changing priorities.

Of course, policies and standards alone do not secure an organization from malice. Training and awareness are what translate rules into behavior, helping employees at all levels understand their role in protecting assets, whether that’s recognizing phishing attempts, using secure authentication methods, or reporting unusual activity. The most effective awareness programs are continuous and role-specific, such as developers needing different training than finance or HR staff. By making training practical and relevant, organizations turn people from potential liabilities in the security posture into active defenders and frontline warning systems.

Culture also plays a critical role in the success of an organization’s security posture. If employees fear blame or punishment for admitting mistakes, incidents may go unreported until it’s too late. It’s imperative for leadership to encourage open communication—where staff feel comfortable raising concerns, sharing errors, and asking questions—which builds trust and strengthens the first line of defense. Recognizing and rewarding proactive reporting reinforces that security is a shared responsibility, not just an IT or security team concern.

Finally, none of this works without leadership engagement and visual support. Executives and business leaders must set the tone from the top, demonstrating that security is not optional but integral to the organization’s success. When leaders model secure behavior, support investments in training and controls, and hold themselves accountable, they create an environment where governance and people align naturally. This alignment ensures that security is embedded into daily operations, shaping posture not through isolated efforts but through a collective culture of resilience.

Leverage AI and Automation

The rise of AI and automation is transforming both sides of the cybersecurity landscape. Attackers can use AI to create convincing phishing lures, probe defenses more efficiently, or enable novice hackers to enhance their skills with more sophisticated and targeted malware coding. However, defenders can also leverage these tools to enhance speed, accuracy, and scalability in their efforts to counter the onslaught.

Examples of AI and automation in strengthening security posture include:

• Automated Monitoring: Continuously scanning for misconfigurations or anomalies
• Threat Detection: Using AI models to flag suspicious behavior earlier
• Incident response: Automating containment actions, such as isolating a compromised endpoint
• Risk Analysis: AI-assisted prioritization of vulnerabilities based on exploit likelihood

The key to leveraging AI in your organization is responsible adoption, accompanied by having proper guardrails in place. Organizations must ensure that automation complements human expertise as a force multiplier, not an attempt to replace it. Overreliance on automation without oversight can introduce blind spots and open new attack vectors for malicious actors, while responsible use can free up human analysts to focus on higher-value and more tedious tasks.

Continuously Improve

Security posture is not a destination but rather a focused and dedicated continuous journey with plenty of potential ups and downs. Security threats evolve daily as technologies continue to rapidly change, and organizations themselves are constantly shifting in terms of structure, people, and priorities. Some of the key activities that must run continuously include:

• Regular Assessments: Updating risk and security assessments, ongoing vulnerability scans, and conducting risk analyses
• Red-Teaming, Pen Testing, and Tabletop Exercises: Testing defenses and response capabilities
• Post-Incident Reviews: learning from past events to avoid repeat mistakes

Incorporating a well-communicated feedback loop as an integral part of an organization’s security culture is critical to ensuring that continuous improvement of your security posture is front and center. This should involve a regular cadence of assessments, exercises, post-incident reviews, and audits as well as transforming the gaps and lessons learned in those processes into actionable items for improvement. Senior leadership and those in positions of authority should ensure that these items are supported with adequate resources and that a culture of improvement is pushed from the top down.

Organizations that treat security posture as a living, breathing part of operations are better equipped to adapt to change and lean on their resilience to weather any security incidents. This mindset, which makes continuous improvement a key part of the organization’s culture, turns security from a compliance requirement into a strategic advantage.

The Path Forward to an Improved Security Posture

As noted throughout this article, a strong security posture is more than a collection of tools or simply checking boxes on a list. A good security posture represents the ongoing alignment of people, processes, and technology to defend against an ever-changing threat landscape.

Maintaining an accurate asset inventory assists in monitoring and ensures that you know what needs protection, while disciplined identity and access management reduces the risk of unauthorized access. 

Cybersecurity risk management provides the framework to focus resources on the most pressing threats, while governance, combined with an engaged and trained workforce, ensures that policies, standards, and overall culture reinforce security across the enterprise. 

Leveraging AI and automation responsibly extends robust defenses with scale and speed, and a mindset of continuous improvement keeps posture evolving in step with new technologies and emerging risks. 

When these practices come together, organizations build more than just a network of defenses; they build resilience. Security posture becomes not just a measure of protection against attacks but a reflection of the organization’s ability to adapt, respond, and thrive in the face of the constant cyber threats present in today’s operating environment.