A cybersecurity glossary with tech terms in clear language

Business email compromise (BEC) is a cybercrime where attackers use stolen or fake credentials to send convincing emails, tricking recipients into revealing sensitive info or transferring funds.

What is cryptojacking? Discover what it is, its impact, and steps to protect your devices and networks from unauthorized cryptomining.

What is phishing in cybersecurity? Learn about these types of attacks and prevention strategies to protect your organization from phishing.

Ransomware protection involves methods and technologies to defend IT systems from ransomware—malicious software that encrypts data, blocking access until a ransom is paid.

Learn how to auto remediate security threats with expert-guided automation. Discover Expel's approach to balancing speed and human oversight.

Learn how visibility and context drive effective cybersecurity remediation strategies, from deny lists to device preferences.

Learn the four pillars for establishing confidence in automated security tools: transparency, human oversight, testing, and granular control.

Learn why the most effective auto remediation tools work through precision, not force - small actions that deliver huge security value.

What is auto remediation? Learn how this practice can automate critical actions against an attacker in the case of a cybersecurity incident.

Understanding how automation in cybersecurity is transforming security operations through speed, volume management, and consistent accuracy.

Cloud detection and response (CDR) quickly detects, analyzes, investigates, and responds to threats, similar to managed detection and response (MDR) and extended detection and response (XDR) services.

What is cloud security? Read an in-depth definition of cloud security and discover more resources to secure your environment.

Learn what is a data lake in cybersecurity, how it differs from SIEM systems, and the key benefits for security operations, including better threat detection, comprehensive data retention, and advanced analytics capabilities.

Get the answer to what is SIEM in cybersecurity, including types of SIEM systems, architecture, implementation strategies, and alternatives.

What is EDR? Endpoint detection and response (EDR) collects endpoint data to establish normal patterns, monitor for compromises, and provide intel for containment and remediation.

Learn how extended detection and response (XDR) unifies and automates security across multiple layers to combat modern cyber threats effectively.

Learn what is NIST in cybersecurity, its role in developing standards and frameworks, and how organizations use NIST guidelines to strengthen their security programs.

Learn what the MITRE ATT&CK framework is in cybersecurity and why it matters. Discover how to use MITRE ATT&CK coverage to protect your environments.

What is ITDR? Identity threat detection and response (ITDR) focuses on protecting user accounts from misuse and prevents identity-based attacks.

Kubernetes adoption is growing, but security is a challenge. Learn how to address vulnerabilities, integrate security tools, and use automation to improve Kubernetes protection.

Learn how MDR enhances SIEM capabilities via API integration, which vendors are supported, and what to do if you don't have a SIEM yet.

A discussion on the essential qualities that define effective MDR service providers in today's cybersecurity landscape.

MDR solutions quickly detect, analyze, investigate, and respond to threats using EDR, network and cloud protection, and logs.

What is MDR? Define MDR, learn how it works, why organizations use MDR services for 24x7 threat detection and incident response, and MDR benefits.

What is MDR in cybersecurity? Find out how managed detection and resposne enhances security operations with real-time threat detection.

Essential criteria for choosing an MDR provider including evaluation framework, key questions to ask, red flags, and reference checking tips.

MDR monitors technologies including endpoints, cloud workloads, Kubernetes containers, SIEM logs and more for comprehensive threat detection.

Understand the key differences between MDR and traditional SOC operations, and learn when to choose MDR vs. building an in-house SOC.

This article covers when to consider managed detection and response (MDR), assessing your readiness for MDR, and more.

Companies choose MDR over building in-house SOCs for faster deployment, lower costs, immediate expertise access, and 24x7 coverage.

What are managed security services? Managed security services (MSS) are outsourced services provided by third-party companies to manage and protect an organization's cybersecurity operations.

Learn what managed network detection and response (MNDR) is and how it protects your network infrastructure.

Learn what is SecOps in cybersecurity, how it integrates security with IT operations, and identify key SecOps solutions.

SOC performance metrics can mislead. This article shows why surface-level analysis—like evaluating solely on MTTR—risks wrong assessments.

Learn warning signs of an overwhelmed SOC like alert fatigue to analyst turnover. Discover how to measure effectiveness and when to seek help.

Measuring SOC performance efficiency is a journey, not a destination. Learn how to measure your SOC using a "crawl, walk, run" approach.

Effective SOC management avoids treating data as the end-all, as metrics alone provide incomplete stories. Learn how to verify data accuracy.

This article explores SOC quality measurement and how teams balance speed with accuracy featuring insights from SOC ops leaders at Expel.

A look at essential cybersecurity metrics examples for measuring automation impact on team productivity, burnout, and operational efficiency.

This article explores SOC capacity planning and how operational performance is shaped, featuring insights from SOC ops leaders at Expel.

This article on SOC culture features insights from a video interview with Ben Brigida and Ray Pugh, SOC operations leaders at Expel.

Learn what causes alert fatigue in SecOps, like misconfigured tools, poor prioritization, and how to reduce false positives and improve alert quality.

This article explores the alert lifecycle and common bottlenecks in SOC operations, featuring insights from SOC operations leaders at Expel.

What is a cyber fusion center (CFC) is? Learn how it differs from a SOC and the benefits for modern threat detection and response operations.

Learn what a security operations center (SOC) is and how these 24x7 cybersecurity hubs protect organizations from threats through continuous monitoring and rapid incident response.

Learn about critical security measures for cloud-based applications, common threats, and essential protection strategies for your organization's SaaS environment.

Cyber threat intelligence gathers and analyzes data on cyber threats to help organizations prevent attacks by understanding threat actors and vulnerabilities.

Threat hunting is a proactive approach to finding hidden or unresolved threats in a network, using digital forensics and incident response.

Learn what vulnerability management is and why it matters for your organization's security posture. A clear explanation of key concepts and practices.