Hardening in technology refers to the process of securing a system by reducing its surface of vulnerability. This is achieved through various measures such as removing unnecessary software, unused accounts, or unnecessary services, and configuring settings in a way to enhance security. The concept is often applied to systems such as servers, applications, databases, and networks to protect against potential threats.


The phonetic pronunciation of the word “Hardening” is: /ˈhɑːrdənɪŋ/

Key Takeaways

  1. Security Improvement: Hardening is a process that helps to secure a system by reducing its surface of vulnerability. This includes removing unnecessary services, installing protective software, and monitoring system logs and activity.
  2. Specificity: Hardening is not a one-size-fits-all process. It is tailored to the specific system or application involved. For example, hardening a web server involves a different set of procedures compared to hardening a database server.
  3. Continuous process: System hardening is not a one-time job, but is a continuous process of protection, monitoring, and improvement. It needs to be regularly updated and retested to defend against new threats and vulnerabilities.


Hardening in the context of technology is an important term because it refers to the process of securing a system by reducing its vulnerability to cyber threats. This involves taking measures such as restricting unnecessary access to system features or resources, keeping the system updated with the latest patches and security updates, encrypting data, installing antivirus software, and more. Hardening aims to eliminate as many security risks as possible to reduce the potential attack surface that hackers can exploit. Thus, it plays a central role in protecting sensitive information and ensuring the overall health and efficacy of any system ranging from an individual computer to a global network.


Hardening is a crucial process in the world of technology that primarily concentrates on boosting system’s defense against digital threats. The core purpose of hardening is to eliminate as many security risks and vulnerabilities as possible to make the system more resistant to potential cyber-attacks. This is achieved by limiting the system’s potential weaknesses that may be exploited by hackers or malicious software. Hardening is performed on various facets of technology including networks, servers, databases, operating systems, and applications.Why is hardening used extensively within the technology sphere? It’s quite simple really. In an era where cybercrime rates are surging, hardening acts as an additional protective layer for your technological infrastructure. For instance, if you’re running a firm that heavily relies on digital platforms for its operations, hardening your systems can mean the difference between a smooth business process and a catastrophic system breakdown from malware or hacking. With properly hardened systems, you drastically decrease the chance for accidental misconfigurations, breaches, data loss, and system downtime, which in turn significantly bolsters your organization’s operational efficiency and reliability.


1. Hardening a Web Server: Web servers, which handle internet traffic for websites, are prime targets for cyber attacks. To mitigate these risks, companies often “harden” these servers – limiting system functionality to just the necessities, installing latest updates and patches, enabling firewalls, regularly monitoring logs, encrypting data in transit, and so on. 2. Hardening a Smartphone: With the widespread use of smartphones, they have become a hotbed for cyber threats. Hardening in this context can involve enabling biometric authentication, regularly updating the operating system and apps, disabling unnecessary services and apps, installing reputable security apps, and enabling encryption to protect data.3. Hardening a Network: Networks can be hardened by implementing security measures into its infrastructure. This involves managing user permissions strictly, maintaining a strong firewall, disabling unused ports and services, encrypting communications, updating and patching systems regularly, and installing intrusion detection systems to constantly monitor traffic.

Frequently Asked Questions(FAQ)

**Q: What does the term “hardening” mean in technology?**A: Hardening in technology refers to the security process where default configurations of a system are secured to reduce its vulnerability to cybersecurity threats.**Q: How does hardening enhance security?**A: Hardening enhances security by eliminating potential access points and loopholes which could be exploited by attackers. This can include measures like enabling a firewall, regularly updating software, and configuring user access control.**Q: Are there different methods of system hardening?**A: Yes, system hardening methods can vary. Some common methods include reducing available attack surfaces, securing user access, updating and patching systems, and encrypting communication.**Q: Is hardening only applicable in software?**A: No, hardening processes can be applied to both software and hardware devices to enhance security. This can include networking devices, servers, and user devices like laptops and mobile devices.**Q: How often should hardening processes be done?**A: Hardening is not a one-time process. It’s an ongoing activity and should be done at regular intervals, or at least whenever changes are made to system configurations, new vulnerabilities are discovered, or when new devices or systems are added to the network.**Q: Does hardening slow down system performance?**A: While in some cases, system hardening may impact performance, the benefits of increased security often outweigh any minor performance decrease. Performance impacts can often be mitigated by effective system design and configuration.**Q: Can hardening completely safeguard a system from cyber threats?**A: Even though hardening significantly improves system security, there’s no such thing as an entirely secure system. However, hardening does make a system a less attractive target by increasing the difficulty for cybercriminals to exploit it.**Q: How can I check if my system is hardened?**A: There are various tools and services available that can check the level of hardening of your system. These may provide a detailed report on potential vulnerabilities and suggest further hardening steps.

Related Tech Terms

  • Firewall Implementation
  • Intrusion Detection Systems (IDS)
  • Access Control Lists (ACL)
  • Two-Factor Authentication (2FA)
  • Secure Sockets Layer (SSL) Certificate

Sources for More Information


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