kernel-level hardening and vulnerability assessment through to compliance alignment and ongoing threat monitoring, our linux security services cover the full scope of what production Linux environments need to stay genuinely secure. Here is what we engage on.
Security is a posture, built from consistent decisions across the kernel configuration, the privilege model, the network exposure, the patch cadence, the access control policy, and the monitoring capability of the environment. Mpiric’s approach to linux network security services and system-level security reflects that reality. We do not sell a single tool or a single scan. We deliver structured, documented security work that systematically reduces the risk profile of your Linux environment and keeps it reduced over time.
Our security engagements span Linux servers, embedded Linux devices, cloud Linux infrastructure, and enterprise Linux deployments. We work across distributions, across industries, and across compliance frameworks. The organisations that engage us are ones that have moved past the assumption that Linux takes care of its own security, and have decided that proper, professional security management of their Linux environment is a business requirement rather than an optional extra.
Structured hardening of Linux systems against documented security standards including CIS Benchmarks, NIST 800-53, and DISA STIGs. We harden kernel parameters, configure SELinux or AppArmor mandatory access control policies, remove unnecessary services.
Systematic identification of vulnerabilities across your Linux environment using a combination of authenticated scanning, manual configuration review, and kernel CVE analysis. We assess package versions, kernel patch level, service exposure, and configuration weaknesses.
A structured technical audit of your Linux security posture covering system configuration, access control model, network exposure, patch currency, logging and monitoring capability, and compliance with applicable security frameworks.
Authorised penetration testing of Linux systems and infrastructure to identify exploitable vulnerabilities before attackers do. We test for privilege escalation paths, kernel exploits, misconfigured service exposures, credential weaknesses, and lateral movement opportunities.
Firewall rule assessment and hardening, network exposure analysis, intrusion detection system configuration, network traffic monitoring setup, and iptables or nftables policy review. Our linux network security services reduce the network attack surface of your Linux infrastructure.
Security configuration alignment for Linux environments operating under compliance frameworks including PCI DSS, HIPAA, SOC 2, ISO 27001, and NIST standards. We map your Linux security posture against the relevant framework requirements, identify gaps.
Continuous monitoring of your Linux environment for security anomalies, CVE tracking and impact assessment for your specific kernel version and package set, structured patch prioritisation, and incident response support when threats materialise.
0
%
98% client satisfaction rate across all marketing campaigns.
$
0
million
Generated over $50 million in additional revenue for our clients
WP Forms
Polylang
Loco
WPML
WP Rocket
W3 Total
Cache
MailChimp
Linux security requires more than running a scanner and fixing what it flags. It requires engineers who understand Linux at the system level and know where the real risks actually live. Here is what that means when you engage Mpiric.
01
Our engineers understand Linux security from the kernel up, including kernel hardening options, kernel CVE exposure, and privilege escalation paths that network-level scanners.
02
Mpiric is a Silver Member of the Linux Foundation. We stay current with kernel security developments, subsystem changes, and CVE disclosures through active community engagement.
03
Every security change we make is tested for operational impact before it goes near production. Hardening that introduces service instability.
04
We align Linux environments to PCI DSS, HIPAA, SOC 2, ISO 27001, and NIST standards with actual technical implementation behind the documentation.
05
A security assessment is a point-in-time measurement. Linux security is an ongoing requirement.
Whether you need a one-time security audit, a hardening engagement, compliance alignment work, or ongoing managed security support for your Linux environment, the conversation starts with understanding where you actually are. We give you that picture clearly, then we help you address what it shows.
India. USA. UK. We are reachable wherever you are operating.
India. USA. UK. We are reachable wherever you are operating.
Linux’s security architecture is genuinely strong. The privilege model, mandatory access control systems like SELinux and AppArmor, the open source code review process, and the kernel’s security subsystem all provide meaningful security advantages over many alternative platforms. The problem is that these capabilities require correct configuration and active maintenance to deliver their security value.
A default Linux installation with SELinux in permissive mode, unnecessary services running, packages several months behind on patches, and no structured logging is not a secure system regardless of the underlying platform. Recent years have seen a significant increase in sophisticated attacks targeting Linux servers specifically because they are high-value targets with often inconsistent security management. The inherent security of Linux provides a strong foundation. Professional linux security services are what keeps that foundation from being undermined by configuration drift, patch delays, and unmonitored exposure over time.
Linux system hardening is the process of reducing the attack surface of a Linux system by systematically removing or disabling everything that does not need to be present and configuring everything that remains to operate with minimal necessary privilege and maximum appropriate restriction.
At the kernel level, this involves configuring kernel security parameters through the sysctl interface, enabling kernel lockdown where appropriate, and ensuring that only required kernel modules are loaded. At the service level, it means auditing running services and disabling those that serve no operational purpose, hardening the configuration of those that remain, and ensuring that network-facing services expose only the access they need to provide.
At the access control level, it involves configuring SELinux or AppArmor policies that restrict what each process can access and do beyond what standard Unix permissions allow. Across all of these layers, CIS Benchmarks, NIST 800-53, and DISA STIGs provide structured frameworks that define what a hardened Linux system looks like. We implement hardening against these frameworks with your specific operational requirements taken into account.
A security audit is primarily a configuration and compliance review. It examines your Linux systems’ security posture against defined standards and identifies configuration weaknesses, missing patches, access control gaps, and compliance deficiencies.
The output is a documented assessment of your security posture with prioritised remediation recommendations. A penetration test is an active attempt to exploit identified weaknesses to demonstrate what an attacker could actually achieve. It goes beyond what a configuration review can surface by testing whether theoretical vulnerabilities are practically exploitable in your specific environment, and what the realistic impact of a successful exploitation would be. Both are valuable and serve different purposes. A security audit tells you where the gaps are.
A penetration test tells you which gaps a real attacker could walk through and what would happen if they did. For most organisations, a structured audit is the right starting point, with penetration testing used to validate specific high-risk areas or satisfy compliance requirements.
CVE management for Linux environments involves several distinct activities that need to happen consistently to be effective. The first is tracking CVEs relevant to your specific kernel version, installed packages, and running services, which requires knowing exactly what your Linux systems are running in detail.
The second is assessing the actual impact of each CVE in your specific deployment context, because a critical CVE in a package you do not run is not an urgent priority regardless of its CVSS score. The third is prioritising remediation based on exploitability, exposure, and potential impact in your environment specifically.
The fourth is applying patches through a controlled change management process that validates the patch in a non-production environment before applying it to production. And the fifth is verification that the patch was applied correctly and the vulnerability is actually remediated. Doing all five consistently at scale requires structured process and tooling, which is exactly what our ongoing security engagement provides.
We align Linux security configurations and documentation to the frameworks most commonly required in enterprise and regulated environments. PCI DSS requires specific technical controls for systems that store, process, or transmit cardholder data, and Linux systems in payment infrastructure need to meet these controls with documented evidence.
HIPAA requires administrative, physical, and technical safeguards for systems handling protected health information, with Linux-specific technical controls covering access management, audit logging, and transmission security. SOC 2 requires controls around availability, confidentiality, and security that translate into specific Linux configuration requirements for technology companies.
ISO 27001 requires a documented information security management system with technical controls that include Linux system security standards. NIST 800-53 and CIS Benchmarks provide the most detailed technical control frameworks for Linux hardening. We select the framework alignment work based on your regulatory environment and the requirements of your auditors or customers.
Yes, and embedded Linux security is an area where dedicated expertise matters more than it does for server environments, because the threat model, the constraint environment, and the remediation options are all fundamentally different. Embedded Linux devices often run for years in the field without patch updates, have limited or no runtime security monitoring capability, operate in physically exposed environments, and may have safety-relevant functions that mean a security compromise has consequences beyond data loss.
Our embedded Linux security work covers threat modelling for the specific device deployment context, secure boot implementation, filesystem hardening for read-only operation, kernel attack surface reduction for resource-constrained environments, network interface hardening, and OTA update security for devices that need to receive patches in the field. The security principles are the same as for server environments. The implementation is very different.
An ongoing security engagement with Mpiric covers several structured activities on a regular cadence. CVE tracking and impact assessment happens continuously as new vulnerabilities are disclosed. Patch prioritisation and deployment support happens on a cycle aligned with your change management process. Security configuration monitoring detects drift from the established security baseline before it becomes a significant exposure.
Periodic reassessment validates that the security posture is holding up as the environment changes. Incident response support provides rapid expert engagement when security events occur. And regular reporting keeps your technical and commercial stakeholders informed about the state of your Linux security posture and what the ongoing programme has achieved.
The specific scope and cadence is defined based on the size and complexity of your Linux environment and the security requirements of your industry. We structure engagements that are proportionate to actual risk and operational context, not standardised packages designed around maximising our engagement hours.