How to Implement SASE Effectively | Check Point Software

How to Implement SASE Effectively

Secure Access Service Edge (SASE) combines networking and security capabilities into a single cloud-based solution delivered at the network edge.

This offers a range of benefits, including:

(regardless of location.)

But, to get these benefits, you must follow effective steps for SASE implementation. Without proper planning and deployment, you can end up with a poorly integrated and configured SASE solution that leaves security gaps for attackers to exploit while also failing to improve network performance.

Plus, a lack of training can cause confusion among users and frustration within IT teams, leading to a less effective deployment.

10 Steps for an Effective SASE Implementation

Here are 10 steps for SASE implementation that, when followed, will improve the success rate of your project.

#1. Assess Current Environment

The first step for effective SASE deployment is to assess your current environment.

You need to understand your starting point before you can determine how best to proceed. This includes uncovering existing performance issues and security gaps, identifying your most sensitive data and applications, and any current cloud infrastructure that can be leveraged for future SASE operations.

Key processes to undertake during this step include:

#2. Define Objectives

If step 1 for SASE implementation sets your starting point, defining your objectives determines the end point. You want to align SASE deployment with clear business and security goals. This could be:

Whatever it is you need, clearly defined objectives will guide future decision-making and ensure the final SASE requirements result in tangible business benefits.

With goals in mind, you assess SASE best practices and capabilities that will close the gaps in existing security policies. You can also set metrics and KPIs to track outcomes of your SASE implementation.

#3. Choose the Right SASE Vendor

Choosing the best possible SASE vendor to work with is critical to the success of your implementation. You need to find a vendor with the right features and capabilities that align with your objectives. While the market for true single-vendor SASE products is relatively young, there are a number of players with compelling solutions.

Consider and compare solutions, such as:

SASE requirements for a comprehensive solution include networking functionality via a Software Defined Wide Area Network (SD-WAN) and security capabilities such as Cloud Access Security Brokers (CASB), Firewall-as-a-Service (FWaaS), Secure Web Gateway (SWGs), and the ability to implement Zero Trust Network Access (ZTNA).

Other factors to consider include:

#4. Design the Architecture

The next step is to design the new architecture of your network and map out how SASE components will integrate with existing infrastructure to optimize the final outcome. You need to determine:

A key decision while designing the new network architecture is how to segment traffic.

Dividing your network is a key security mechanism that limits lateral movement if a data breach does occur. Another factor is identity management and defining zero-trust policies based on least-privilege principles and dynamic access controls.

The goal is to develop a SASE architecture that balances security and performance.

(while also planning for future scalability and flexibility.)

Proper planning during this stage reduces SASE deployment complexity and long-term maintenance needs.

#5. Prepare for Deployment

Preparation is critical to ensure a smooth deployment that reduces timelines and minimizes disruptions. During this step, you need to engage with key stakeholders to develop a rollout strategy and educate staff on the new network architecture. The goal is to:

You also want to demonstrate the value of the new SASE network to gain stakeholder buy-in and prevent institutional resistance.

Next, you need to configure new security policies and a plan for migrating from existing systems. This requires:

Lastly, during preparation, you should be conducting risk and readiness assessments to anticipate any potential challenges and ensure the final network delivers the performance and security.

#6. Implement Core SASE Components

This step is when you finally start rolling out your new network architecture and implementing the SASE solution. Key actions during the implementation stage include:

Configuration of these components should be driven by your architectural blueprint and preparation from the previous two steps. You want a centralized team overseeing the implementation to ensure the outcome provides consistent security policies regardless of network asset or location.

#7. Migrate Incrementally

SASE implementation best practices should start with a phased rollout.

This reduces the risk by incrementally migrating to the new solution while validating performance, security, and user experience. It is often best to start with lower-risk locations or departments, pilot testing the technology on a smaller scale where the consequences of disruption are less severe.

During this migration, monitor performance closely and gather user feedback to adjust security policies and network settings as real-world use patterns emerge.

Automated logging and reporting simplifies the discovery process during initial rollout.

#8. Optimize and Tune

Even with extensive planning, something as complex as SASE deployment will always produce surprises and unexpected issues to adapt to. Optimizing and tuning SASE components and security policies is a fundamental part of implementation.

You want to identify usage trends and performance issues to improve connectivity and tighten security controls based on real-world data rather than projections. Make sure to analyze:

Examples include fine-tuning security tools for fewer false positives or rerouting traffic for lower latency.

#9. Educate Users

SASE is a fundamental shift in networking and security strategy that requires altering your IT culture and educating your broader workforce on new workflows. SASE will only be successful if it is embraced by end users.

Therefore, education and training are a vital part of the implementation process.

Conduct training sessions to communicate the changes, cover new security procedures, SASE best practices, and what to do if an issue arises. Develop training material, documentation, and SASE tutorials that staff can use as a quick reference guide to help with potential future issues.

#10. Ongoing Management and Improvements

Continuous management and improvements ensure the solution remains effective as your business evolves and you ask for different things from your IT infrastructure. This includes:

Also, keep lines of communication open for end users and key stakeholders to inform you if the SASE implementation no longer aligns with business goals.

FAQs

How long does a typical SASE implementation take from start to full deployment?

Timelines vary, but most organizations can expect a phased SASE rollout to take 3 to 6 months depending on size, existing infrastructure, and internal alignment. The planning and architecture stages are often the most time-intensive, but incremental deployments keep operations running smoothly throughout.

What internal teams should be involved in a successful SASE implementation?

Beyond the network and security teams, successful SASE projects involve IT operations, compliance officers, HR (for access policies), and executive stakeholders. Cross-functional collaboration ensures policies align with both technical and business objectives.

Can legacy hardware be reused in a SASE deployment?

In some cases, yes. Legacy infrastructure can be retained temporarily during the migration phase. However, core SASE components are cloud-native, so the long-term goal is to reduce dependency on physical appliances like firewalls and VPN concentrators.

How can we avoid user disruption during SASE rollout?

By using pilot programs for small groups, closely monitoring traffic, and gradually expanding rollout, you minimize disruption. Transparent communication, quick response to feedback, and fall-back mechanisms (like retaining legacy access temporarily) are also critical during transitions.

How do we measure the success of a SASE implementation?

Success metrics include reduction in latency, faster remote access, centralized visibility, fewer misconfigurations, and enhanced threat detection rates. Additionally, tracking metrics like incident response time, false positives, and compliance audit results can offer quantifiable proof of ROI.