FIREWALL SECURITY ASSESSMENT

Assess your Firewall Configuration against security issues that could affect your organisation negatively, leading to information exposure or breach of data.

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What is Firewall security assessment?

A firewall security review, also known as firewall ruleset review or risk assessment, is aimed at finding weaknesses in a device’s configuration, rulesets, management and compliance.

In this cloud era, firewalls are very much a vital component of network security architecture. Our firewall security review helps you to understand the weak areas that must be reviewed to limit the exposure to your systems. Assessing the firewall configuration for security configuration issues, vulnerabilities, management or user oversights that when exploited could lead to a breach of network.

Multiple different types of firewalls are used by companies to protect their data and systems. We have WAF (Web Application Firewalls), Application level gateways, Network firewall with stateful inspections, ‘virtual’ firewalls and cloud firewalls.

Benefits of a secure Firewall configuration

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Common Security Vulnerabilities

Insecure Configuration

Firmware versions, management protocols configuration, file tranfers/remote administration protocols

Insecure Logging & Monitoring Controls

Logging and monitoring controls are reviewed to identify flaws in event collection, storage, analysis and threat identification.

Large Attack Surface

Either service provider or customer’s IT team have temporary changes, large/excessive attack surfaces been allowed.

Rulesets

Auditing of firewall rule bases often shows the presence of noise (unnecessary broadcast protocols), duplicate rules, temporary rules, comments, use of ANY/large rules

Encryption Flaws

Configuration and use of encryption methods for HTTPS, SSH, VPN transformations (in case of a VPN), data at rest and in transit.

Administrative Restrictions

Restrictions on administrative and management interfaces internally (internal network/DMZ) and externally (over the internet)

Authentication & Authorization

Authentication and authorization mechanisms responsible for user authentication, internal integrations (RADIUS/AD/etc), interface restrictions and authorizations

Top 10 Tips for Small Business Cybersecurity (Actionable Tips)

Frequently Asked Questions about Firewall Security Assessments

What type of Firewalls can you review?

We welcome all major Firewalls and have vast experience of reviewing WAFs (Imperva, IBM, Mod sec), Cloud firewalls, CheckPoints to traditional Cisco devices, VPN concentrators and Small business ranges such as Watchguard, Sonicwall.

When do you conduct Firewall security reviews?

Firewall reviews can be conducted as an ad-hoc exercise or as part of cyber health checks. Should you wish to read further about pen testing , our in-depth blog article on penetration testing is an excellent source.

Why do you carry out Firewall security assessment?

Configuration and network traffic allowed through the firewall should be in line with functional requirements of the business.

Whether it’s business as usual review or after changes, it’s important to find out weaknesses in your firewall configuration and rulebase to identify gaps. These gaps could aid an attacker to initiate unauthorised connections to outside systems in order to exfiltrate data, set up command and control channels or other malicious actions.

Our IT service provider manages our Firewall.

It is common setup to use external partners for IT needs of a business. We work with you and your third-party vendors to ensure they provide a secure service and are aware of risks to the firewall or managed devices.

Is Firewall review disruptive to our environment?

No. There is no active attack activity carried out against the device, therefore, it is a completely manual and often passive task (where configuration is provided in a file).

What about timescales and costs?

A firewall security assessment does not take more than couple of days, based on the firewall functionality and ruleset size. Costs are generally calculated based on the day rate based activity needed to perform this review.

Do you perform risk remediation?

Firewall risk remediation is sometimes a complex process due to the specialist security skill-set needed for IT teams.
Optionally, we provide remediation consultancy to ensure all agreed findings are mitigated in line with best security practices.

Firewall Penetration Testing Methodology

Step 1

Customer Business Insight

The very first step remains our quest to gain insight into drivers, business, pain points and relevant nuances. As part of this process, we understand the assets that are part of the scope.

Step 2

Services Proposal

It is important to gain grips with the reality, therefore, we always stress on walkthroughs or technical documentation of the assets. After asset walkthroughs, a tailored proposal is designed to meet your business’ specific requirements.

Step 3

Execution and Delivery

Cyphere’s approach to all work involves excellent communication with technical skill-set.

Step 4

Data Analysis & Reporting

Execution phase is followed by data analysis and reporting phase. Cyphere performs analysis on the testing output, evaluates the risk impact and likelihood of exploitation in realistic scenarios before providing action plans to remediate the identified risks. All our reports address business as well as the technical audience with supporting raw data, including mitigation measures at strategic and tactical levels

Step 5

Debrief & Support

As part of our engagement process, customers schedule a free of charge debrief with management and technical teams. This session involves remediation plan, assessment QA to ensure that customer contacts are up to date in the language they understand.