Build And Configuration Reviews

An asset following secure review guidelines leads to a significant decrease in attack surface early in the asset lifecycle. This proactive cyber security approach adopted by the business company helps in the extra mile, both by establishing security baselines and lesser incidents.

Let our secure configuration security reviews help you set a secure baseline.

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What is a Build and Configuration review?

A build and configuration review, also known as a secure configuration hardening review, involves reviewing the underlying Operating System and related components such as firmware, removable media interfaces in line with good security practices.

At times, customers request such reviews in comparison with CIS, NIST or internal guidelines. This is a white box pen test exercise performed to fully deliver knowledge of the system infrastructure.

A server with a lack of hardening or misconfiguration issues could provide a point on an easy route in developing network compromise or unauthorised access to sensitive details.

A weakly configured infrastructure may not only add vulnerabilities to the network, but a rootkit or a backdoor configured into the machine may go undetected for months.

This review helps to fill and discuss identifying weaknesses in a configuration to help you remediate issues in line with best practices.

Why do you need security hardening ?

A proactive security strategy defines controls in layered fashion. It is always better to embed security mindset early in the asset lifecycle. There is no cheaper, effective and better ROI than secure hardening reviews. Regular security hardening assessments ensure weak security settings, hardening issues and data protection weaknesses are identified early. 

Before any new builds o network configurations are rolled into the production environment, it is important to release secure builds and provide for network configuration review or security validation to keep the attack surface to a minimum.

Having a configuration security review based benchmarking process in place ensures that vulnerabilities are reduced to minimum at the start of the asset lifecycle. Should your requirements mean looking around entire estate, read more about our full range of penetration testing services.

Benefits of Secure Configuration Review

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What is a build review?

Build review is the process of examining a software build to ensure that it meets quality standards. The purpose of build review is to catch any errors or problems with the build before it’s released. This can help prevent issues from occurring in production and can save time and money by catching problems early on.

Build and Configuration Reviews Methodology

A secure review involves assessing the operating systems, databases, devices or network equipment. It involves configuration and analysis phase followed by reporting as per the agreed form. Unlike penetration testing that involves security review from the surface, based on the running services, build review and configuration reviews explore the specific host’s configuration for instance, mobile devices, network devices, firewall configuration or any other assets. 

Our team is committed to ensuring, that as our customer, you receive the utmost value out of our team consultancy services and look forward to developing a long-lasting business company relationship with you. Our secure configuration reviews project are aligned with the best practice in the world in each area including the following secure hardening standards:

  • Baseline standards as per the customer organization
  • CIS benchmarks with hardening standards published for most vendors
  • NIST standards
  • Or commenced as part of ISO 27001 , PCI DSS projects.

Why build reviews are important?

The importance of a build review can’t be overstated. By conducting a regular build review, you can ensure that your software builds are of high quality and meet your standards. This can help prevent problems from occurring in production, which can save time and money. In addition, build reviews provide an opportunity for team members to collaborate and share knowledge.

There are many different types of build reviews, and the type that is right for your team will depend on your specific needs. However, all build reviews should include a review of the following:
  • the codebase
  • the build process
  • the test suite
  • the release process
Each of these components plays an important role in the quality of your software build. Main benefits of build and configuration reviews are:
  • Knowledge of vulnerabilities
  • Shorten potential downtimes
  • Uncover potential cyberthreats
  • Reduce mistakes on future deployments
  • Ensure proper configurations
  • Improved security posture

Build and configuration review test cases

Lack of Secure Hardening Checks

Security vulnerabilities across networking, security, telecommunications & other internal equipment, OS and endpoint vulnerabilities.

OS Modules & Patch Management

Effective patch management plays critical role in closing window of opportunity for attackers, thats between the vulnerability disclosure and patch release.

Group Policy Settings & Enforcement

Group Policy allows administrators to define security policies for users and the servers within the network. These policies are administered from a central location exclusively to the Windows operating system. The policy settings generally, among other things, enforce password settings, external media access, network-level access, patching schedule and application restrictions.

The best practices based group policy would ensure a safer network for an organisation and minimise the attack window for a threat actor to gain unauthorised access.

Insecure Logging & Monitoring Controls

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

Disk Encryption

Full disk encryption is a cryptographic method that applies encryption to the entire hard drive including data, files and software programs. In an adverse case, if a device/server is stolen or unauthorised physical access is achieved, this could be disastrous for a company. A threat actor would gain access to sensitive information such as personably identifiable information (PII) or proprietary information stored on this device due to a lack of disk encryption.

BIOS/Boot Security

Your network devices or servers BIOS or UEFI Firmware offers the ability to set lower-level passwords. These passwords would restrict people from booting the server, booting from removable devices, and changing BIOS or UEFI settings without administrators permission.

Evolving Threats

The nature of security vulnerabilities and threats is one of constant evolution; growing in sophistication and changing in order to exploit new vulnerabilities and evade detection.

This is why you need to perform regular secure configuration reviews and security assessments to protect your network devices, device configuration, firewall configuration, security systems and mobile devices.

Authentication Controls

Authentication is a fundamental component of ensuring cyber security controls for most of the assets.
Based on our methodology and scope of the job, we perform two types of password reviews which include password policy reviews and a password cracking exercise followed by statistical analysis to find out the complexity & character patterns in use.

Third Party Patch Management

A vast majority of cyber attacks take advantage of known software and hardware vulnerabilities. Unpatched software including Operating System (OS) and third-party applications can attract malicious code to the vulnerable servers. Software patching can act as a defensive armour that repels malicious attacks and protects your organisation against multiple exploits. This finding is tested during penetration testing and build reviews.

Build Reviews - Server and laptop security configuration

For windows and linux server building review, we look for rest security weaknesses at several functionalities (workstation, server, laptops) and underlying system components and architecture aspect of the host in review. Build review can help identify build issues at the configuration stage within documentation or templates and prevent future deployments suffering from repeat issues. The following areas are checked against best practices in relevant assets:
  • Operating Systems security review
  • Account Lockout Policy
  • Privilege Management
  • Audit Policy
  • User password policy
  • Patch Management
  • Logging and Monitoring
  • Secondary services and configurations
  • Insecure Service / File System Permissions
  • Network security policies
  • Network and Host firewall restrictions
  • Software Restriction and Application Control Policies

Our Pentest Engagement Approach

Scoping and Customer Insight1
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When you decide to give us the go-ahead, our very first step is to gain insight into your motivation, so that we can advise on your real concerns. The comprehensive process we go through to understand this determines the vision for the project. At the technical level, this includes assets to be included, their fragility and importance to the environment.
Data Collection2
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In this phase, we profile the target, i.e. review build, a network, a server, or a device and perform data collection around services, configuration and related data. This is fundamental step before moving to next stage of configuration reviews.
Build and Configuration Analysis3
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Our security team identifies vulnerabilities analysing the collected data in line with agreed baselines. This phase also involves tailored approach taking into account customer business context and secure architecture principles.
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The assessment-execution phase is followed by the analysis & reporting for the performed security review. 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, CVE, CVSS references including mitigation measures at strategic and tactical levels.
Communication & Debrief5
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We take customer communication as seriously as reporting or assessment execution. We engage with customers during all stages, and ensure that customer contacts are up to date in the language they understand. Post engagement, a free debrief is conducted to help the customers understand the weaknesses and prepare a mitigation plan.

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