#OpenSCAP for enterprise systems

[virtualizationhowto]

Openscap: Open Source Vulnerability and Compliance Scanner

Openscap: Open Source Vulnerability and Compliance Scanner @vexpert #vmwarecommunities #100daysofhomelab #homelab #OpenSCAPintroduction #OpenSCAPscannerinstallation #SecurityContentAutomationProtocol #Linuxsecurity

Open-source security tools are not only cost-effective, they are also very powerful. OpenSCAP is a robust line of defense in achieving and maintaining system security compliance. It delivers many features, including for the community and enterprise businesses. Table of contentsWhat is OpenSCAP?Diving Deeper into the SCAP Security GuideCustomizing OpenSCAP with Your Own Content FilesOpenSCAP…

[qcsdslabs]

Top Red Hat Tools for Securing Linux Systems

Linux systems are known for their robustness and security. However, even the most secure systems require proper tools and practices to maintain their integrity. Red Hat offers a comprehensive suite of tools to secure Linux systems, making them ideal for enterprises. Below are some top Red Hat tools that help in fortifying Linux environments.

1. SELinux (Security-Enhanced Linux)

Overview:

SELinux is an integral security module in Red Hat Enterprise Linux (RHEL). It enforces mandatory access control policies that restrict users and applications from accessing specific resources unless explicitly permitted.

Key Features:

Fine-grained access controls.

Prevents privilege escalation.

Offers pre-configured and customizable policies.

Example:

To check the status of SELinux and enforce its policy:sestatussetenforce 1

2. Red Hat Identity Management (IdM)

Overview:

IdM centralizes authentication, authorization, and account management, offering secure identity solutions.

Key Features:

Kerberos-based authentication.

Centralized control for users and systems.

Integration with Active Directory.

Example:

To install and configure IdM:yum install ipa-serveripa-server-install

3. OpenSCAP (Security Content Automation Protocol)

Overview:

OpenSCAP helps automate compliance audits by scanning systems against security baselines such as CIS and STIG.

Key Features:

Compliance reporting.

Vulnerability detection.

Remediation guidance.

Example:

To scan the system with a profile:oscap xccdf eval --profile xccdf_org.ssgproject.content_profile_cis /usr/share/xml/scap/ssg/content/ssg-rhel9-ds.xml

Conclusion:

Securing Linux systems is a continuous process that requires the right tools and practices. Red Hat’s suite of tools, including SELinux, IdM, and OpenSCAP, provide a robust foundation for maintaining system security. Implementing these tools effectively ensures compliance, minimizes risks, and enhances overall system reliability.

[gopikakatzz]

LINUX SECURITY

Security is the big issue in IT environment now the companies are phasing a lot of money for that in Linux os provides high-level security to there clients.so that Linux os is used largely in the bigger IT environments. And Linux os is used in the server side as well. And another advantage of Linux os is it is an open source .so these are the factors that attract Linux os to the IT industry largely than the other os in the IT world

Organizations today are seeking to increase productivity, flexibility and innovation to deliver services faster without sacrificing security, stability and performance. As large IT infrastructure continues to expand and evolve, security in IT must be automated to scale and mitigate risks to achieve compliance and meet the needs of the business.

Why should security and compliance be automated? According to the year 2017 Verizon Data Breach Report, “80% of hacking-related reports leveraged either stolen and/or weak passwords”. Ensuring protection against stolen and/or weak passwords is preventable by defining and implementing strong password policies using automation. In this article by Gartner, “99% of the vulnerabilities exploited by the end of 2020 will continue to be ones known by security and IT professionals at the time of the incident”. Automation can help enforce and ensure security and compliance and help protect against security vulnerabilities and security breaches.

Red Hat Enterprise Linux provides security technologies, certifications, and the ongoing support of the Product Security team to combat vulnerabilities, protect your data and meet regulatory compliance CCNA courses in Kochi.

SCAP tools and content that help users to create a standard security system checklists for enterprise systems in the IT environment. Had better meet the varied security needs of hybrid computing, Red Hat Enterprise Linux 7.5 provides enhanced software security automation to mitigate risk through the integration of OpenSCAP with Red Hat Ansible Automation. The remediations are generated in the form of Ansible playbooks, either based on profiles or based on scan results.

A playbook based on a SCAP Security Guide that contains all the rules that are needed and the system is remediated according to the guide regardless of the state of the machine. On the other hand, playbooks based on scan results contain only fixes for rules that failed during an evaluation

[ruchikaskyinfotech-blog]

GO ON ADVENTURE IN LINUX PROCESS

IT organizations attempt to deliver business price by increasing productivity and delivering services quicker whereas remaining versatile enough to include innovations like cloud, containers, and configuration automation. fashionable workloads, whether or not they run on clean metal, virtual machines, containers, or non-public or public clouds, area unit expected to be transportable and ascendible. Supporting all this needs a contemporary, secure platform.

 The most direct route to innovation isn't continually a line. With the growing adoption of personal and public clouds, multiple architectures, and virtualization, today’s knowledge center is sort of a globe, with variable infrastructure decisions delivery it dimension and depth. And even as a pilot depends on traffic controllers to produce continuous updates, your digital transformation journey ought to be target-hunting by a trustworthy  software system like Linux to produce ceaselessly updated technology and also the most effective and secure access to innovations like cloud, containers, and configuration automation.

 Linux may be a family of free, open supply software system operative systems engineered round the Linux kernel. Originally developed for private computers supported the Intel x86 design, Linux has since been ported to a lot of platforms than the other software system. because of the dominance of the Linux kernel-based robot OS on smartphones, {linux|Linux|UNIX|UNIX system|UNIX operative system} has the most important put in base of all all-purpose operating systems. Linux is additionally the leading software system on servers and "big iron" systems like mainframe computers, and it's the sole OS used on TOP500 supercomputers.

 To faucet this practicality, several enterprise corporations have adopted servers with a high-powered variant of the Linux open supply software system. These area unit designed to handle the foremost rigorous business application needs, like network and system administration, direction, and internet services. {linux|Linux|UNIX|UNIX system|UNIX operative system} servers area unit usually chosen over alternative server operating systems for his or her stability, security, and adaptability. Leading {linux|Linux|UNIX|UNIX system|UNIX operative system} server operating systems embrace CentOS, Debian, Ubuntu Server, Slackware, and Gentoo.

What options associate degreed edges on associate degree enterprise-grade Linux server must you think about for an enterprise workload? initial, inherent security controls and scale-out tractableness through interfaces that area unit acquainted to each Linux and Windows directors can modify you to concentrate on business growth rather than reacting to security vulnerabilities and expensive management configuration mistakes. The Linux server you decide on ought to give security technologies and certifications and maintain enhancements to combat intrusions, shield your knowledge, associate degreed meet restrictive compliance for an open supply project or a particular OS seller. It should:

 Deliver resources with security victimisation integrated management options like centralized identity management and Security-Enhanced Linux (SELinux), obligatory access controls (MAC) on a foundation that's Common Criteria- and FIPS 140-2-certified, additionally because the initial Linux instrumentality framework support to be Common Criteria-certified.

Automate restrictive compliance and security configuration remedy across your system and at intervals containers with image scanning like OpenSCAP that checks, remediates against vulnerabilities and configuration security baselines, together with against National list Program content for PCI-DSS, DISA STIG, and more. in addition, it ought to change and scale out configuration remedy across your entire hybrid surroundings.

Receive continuous vulnerability security updates from the upstream community itself or a particular OS seller, that remedies and delivers all vital problems by next business day, if doable, to reduce business impact.

As the foundation of your hybrid knowledge center, the Linux server ought to give platform tractableness and versatile integration with gift management and automation infrastructure. this may reserve it workers time and cut back unplanned period of time compared to a non-paid Linux infrastructure. It should:

 Speed image building, deployment, and patch management across the information center with inherent capabilities and enrich system life-cycle management, provisioning, and increased reparation, and more.

[insiderlinuxtk-blog]

Red Hat Announced Release Of Red Hat Enterprise Linux 7.2

Red Hat, a leading provider of open source technology, announced the newest version of Red Hat Enterprise Linux 7.2. This announcement comes on the heels of yesterday's release of new Red Hat Software Collections 2.1 and Red Hat Developer Toolset 4, both of which are fully compatible with the 7.2 update.

According to the company, this 7.2 release focused primarily on security, networking and system administration improvements. "With the launch of Red Hat Enterprise Linux 7 in June 2014, Red Hat redefined the enterprise open source operating system. Red Hat Enterprise Linux 7.2 continues this effort, delivering new capabilities for containerized application deployments and significant networking enhancements while retaining our focus on delivering a stable, reliable and more secure platform for the most critical of business applications," said Jim Totton, Vice President and General Manager, Platforms Business Unit, Red Hat.

On the security front, 7.2 offers a new OpenSCAP Anaconda plug-in that allows for the use of SCAP-based security and configuration during the install process. This creates a secure starting point for system deployments. In addition, continuing security concerns with DNS are addressed in this release. The Red Hat Identity Management System (IdM) now supports DNSSEC for DNS zones.

For networking improvements, Red Hat claimed that throughput has been doubled in many types of network function virtualization (NFV) and software defined networking (SDN) environments. This is in addition to more network kernel stack tuning that improves packet processing time. Also, there is a new TCP (DCTCP) feature that helps solve TCP congestion problems in data centers. This DCTCP works across both Red Hat Enterprise Linux and Windows-based hosts.

Red Hat Enterprise Linux 7.2 also offers new and improved tools to help with the increasingly complex system administration of large-scale datacenters. One such tool is Relax-and-Recover, which is a system archiving tool that creates local backups in ISO format for central or remote storage. The ISO images offer a simplified disaster recovery plan for many cases.

In addition, Red Hat Enterprise Linux 7.2 has full compatibility with Red Hat Insights, an add-on analytics platform from Red Hat. Red Hat Insights is available for up to 10 Red Hat Enterprise Linux 7 systems at no cost. This analytics package detects technical issues before they become problems via continuous monitoring and automated analysis.

The company also announced the beta of Red Hat Container Development Kit 2, which is a collection of tools and images designed to assist in the creation of containerized applications for use on Red Hat Hosts.

Red Hat Enterprise Linux 7.2 is generally available starting today.

[qcsdslabs]

Top Red Hat Tools for Securing Linux Systems

Linux systems are known for their robustness and security. However, even the most secure systems require proper tools and practices to maintain their integrity. Red Hat offers a comprehensive suite of tools to secure Linux systems, making them ideal for enterprises. Below are some top Red Hat tools that help in fortifying Linux environments.

1. SELinux (Security-Enhanced Linux)

Overview:

SELinux is an integral security module in Red Hat Enterprise Linux (RHEL). It enforces mandatory access control policies that restrict users and applications from accessing specific resources unless explicitly permitted.

Key Features:

Fine-grained access controls.

Prevents privilege escalation.

Offers pre-configured and customizable policies.

Example:

To check the status of SELinux and enforce its policy:sestatussetenforce 1

2. Red Hat Identity Management (IdM)

Overview:

IdM centralizes authentication, authorization, and account management, offering secure identity solutions.

Key Features:

Kerberos-based authentication.

Centralized control for users and systems.

Integration with Active Directory.

Example:

To install and configure IdM:yum install ipa-serveripa-server-install

3. OpenSCAP (Security Content Automation Protocol)

Overview:

OpenSCAP helps automate compliance audits by scanning systems against security baselines such as CIS and STIG.

Key Features:

Compliance reporting.

Vulnerability detection.

Remediation guidance.

Example:

To scan the system with a profile:oscap xccdf eval --profile xccdf_org.ssgproject.content_profile_cis /usr/share/xml/scap/ssg/content/ssg-rhel9-ds.xml

Conclusion:

Securing Linux systems is a continuous process that requires the right tools and practices. Red Hat’s suite of tools, including SELinux, IdM, and OpenSCAP, provide a robust foundation for maintaining system security. Implementing these tools effectively ensures compliance, minimizes risks, and enhances overall system reliability.