Security Glossary

WordPress Security Definitions

Comprehensive glossary of WordPress security terms, concepts, and definitions to help you understand and protect your site.

63 definitionsPage 5 of 7
InfrastructureMarch 9, 2026

What is Load Balancing?

Load balancing is the process of distributing incoming network traffic across multiple servers to ensure no single server is overwhelmed, improving application availability, reliability, and performance.

By WPSentry Team
FirewallMarch 9, 2026

What is OSI Model?

The OSI (Open Systems Interconnection) model is a conceptual framework that standardises how different networking protocols and technologies communicate across seven distinct layers.

By WPSentry Team
ThreatsMarch 9, 2026

What is Phishing?

Phishing is a social engineering attack in which cybercriminals impersonate trusted entities through fraudulent emails, websites, or messages to trick victims into revealing sensitive information such as passwords, credit card numbers, or personal data.

By WPSentry Team
SecurityMarch 9, 2026

What is Ransomware?

Ransomware is a type of malicious software that encrypts a victim's files or locks them out of their system, demanding a ransom payment in exchange for restoring access.

By WPSentry Team
ThreatsMarch 9, 2026

What is Ransomware?

Ransomware is a type of malicious software that encrypts a victim's files or entire systems, rendering them inaccessible until a ransom payment is made to the attacker in exchange for the decryption key.

By WPSentry Team
SecurityMarch 9, 2026

What is ransomware-as-a-service (RaaS)?

Ransomware-as-a-Service (RaaS) is a business model in which ransomware developers lease their malware and infrastructure to affiliates who carry out attacks, sharing the ransom profits between them.

By WPSentry Team
InfrastructureMarch 9, 2026

What is Server Hardening?

Server hardening is the process of reducing a server's attack surface by eliminating unnecessary software, services, and access points, and applying security configurations to protect against unauthorized access and exploitation.

By WPSentry Team
ThreatsMarch 9, 2026

What is SQL Injection?

SQL injection is a code injection attack in which an attacker inserts malicious SQL statements into input fields or parameters of a web application, enabling them to manipulate the backend database to access, modify, or delete data.

By WPSentry Team
InfrastructureMarch 9, 2026

What is SSH (Secure Shell)?

SSH (Secure Shell) is a cryptographic network protocol that provides secure encrypted communication between two systems over an untrusted network, commonly used for remote server administration and secure file transfers.

By WPSentry Team
SecurityMarch 9, 2026

What is swatting?

Swatting is a dangerous form of harassment in which an attacker makes a false emergency report to law enforcement, typically claiming a violent situation, to trigger an armed police response at a victim's location.

By WPSentry Team
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