Cybersecurity Terms You Need to Know

Cybersecurity can feel overwhelming if the terminology is unclear. This guide explains the essential terms you’ll encounter across threat reports, tools, compliance standards, and security conversations.
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Access Control

Access Control

Active Directory Security

Active Directory Security

Adversarial Machine Learning

Adversarial Machine Learning

Agentic AI Security

Agentic AI Security

AI Red Teaming

AI Red Teaming

API Gateway Security

API Gateway Security

API Security

API Security

Application Security

Application Security

Asset Inventory

Asset Inventory

Attack Surface

Attack Surface

Attack Surface Management

Attack Surface Management

Authentication

Authentication

Authorization

Authorization

Backdoor

Backdoor

Baseline Security

Baseline Security

Black Box Testing

Black Box Testing

Blue Teaming

Blue Teaming

Botnet

Botnet

Breach

Breach

Broken Access Control

Broken Access Control

Browser Exploit

Browser Exploit

Brute Force Attack

Brute Force Attack

Bug Bounty

Bug Bounty

Business Continuity Planning

Business Continuity Planning

Business Email Compromise

Business Email Compromise

Cloud Misconfiguration

Cloud Misconfiguration

Cloud Security

Cloud Security

CMMC

CMMC

Command Injection

Command Injection

Compliance

Compliance

Compliance Automation

Compliance Automation

Container Security

Container Security

Credential Harvesting

Credential Harvesting

Credential Stuffing

Credential Stuffing

Cryptography

Cryptography

CSPM

CSPM

CSRF (Cross-Site Request Forgery)

CSRF (Cross-Site Request Forgery)

CTEM (Continuous Threat Exposure Management)

CTEM (Continuous Threat Exposure Management)

CVE

CVE

CVSS

CVSS

CWE

CWE

Cyber Hygiene

Cyber Hygiene

Cyber Risk Assessment

Cyber Risk Assessment

DAST (Dynamic Application Security Testing)

DAST (Dynamic Application Security Testing)

Data Exfiltration

Data Exfiltration

Data Leakage

Data Leakage

Data Poisoning

Data Poisoning

DDoS Attack

DDoS Attack

Deepfake Attack

Deepfake Attack

Detection Engineering

Detection Engineering

DevSecOps

DevSecOps

Digital Forensics

Digital Forensics

Directory Traversal

Directory Traversal

Disaster Recovery

Disaster Recovery

DMARC

DMARC

EDR

EDR

Email Spoofing

Email Spoofing

Embedded Device Security

Embedded Device Security

Encryption

Encryption

Endpoint Security

Endpoint Security

Evasion Techniques

Evasion Techniques

Exploitation

Exploitation

Exposure

Exposure

Federated Identity

Federated Identity

FedRAMP

FedRAMP

File Integrity Monitoring

File Integrity Monitoring

Fileless Malware

Fileless Malware

Firewall

Firewall

Footprinting

Footprinting

Forensics Chain of Custody

Forensics Chain of Custody

Full Stack Assessment

Full Stack Assessment

Fuzz Testing

Fuzz Testing

Gap Assessment

Gap Assessment

Gateway Security

Gateway Security

GDPR

GDPR

Geofencing

Geofencing

Governance

Governance

Gray Box Testing

Gray Box Testing

Group Policy

Group Policy

Hacking Lifecycle

Hacking Lifecycle

Hardening

Hardening

Hashing

Hashing

Heuristics

Heuristics

HIPAA Security

HIPAA Security

Honeypot

Honeypot

HTTP Header Security

HTTP Header Security

Hybrid Cloud Security

Hybrid Cloud Security

IAST (Interactive Application Security Testing)

IAST (Interactive Application Security Testing)

ICS Security

ICS Security

Identity Access Management

Identity Access Management

IDOR (Insecure Direct Object Reference)

IDOR (Insecure Direct Object Reference)

Incident Response

Incident Response

Incident Response Plan

Incident Response Plan

Information Security

Information Security

Injection Attack

Injection Attack

Insecure Deserialization

Insecure Deserialization

Insider Threat

Insider Threat

IoT Security

IoT Security

IPS / IDS

IPS / IDS

ISO 27001

ISO 27001

Jailbreaking

Jailbreaking

Jamming Attack

Jamming Attack

Java Deserialization Attack

Java Deserialization Attack

JSON Injection

JSON Injection

Jupyter Exploit

Jupyter Exploit

JWT Security

JWT Security

Kerberoasting

Kerberoasting

Kerberos Authentication

Kerberos Authentication

Key Exchange

Key Exchange

Keylogger

Keylogger

Key Management

Key Management

Kill Chain

Kill Chain

Kubernetes Security

Kubernetes Security

Lateral Movement

Lateral Movement

LDAP Security

LDAP Security

Least Privilege

Least Privilege

Living Off the Land

Living Off the Land

LLM Security

LLM Security

Load Balancer Security

Load Balancer Security

Logic Flaws

Logic Flaws

Log Monitoring

Log Monitoring

Macro Malware

Macro Malware

Malware

Malware

Malware Analysis

Malware Analysis

Managed Security Services

Managed Security Services

Memory Corruption

Memory Corruption

MFA

MFA

Misconfiguration

Misconfiguration

MITM Attack

MITM Attack

MITRE ATT&CK

MITRE ATT&CK

Mobile App Security

Mobile App Security

Model Extraction Attack

Model Extraction Attack

NAC

NAC

NAT Security

NAT Security

Network Scanning

Network Scanning

Network Segmentation

Network Segmentation

NIST

NIST

Non-Repudiation

Non-Repudiation

Null Session

Null Session

OAuth Security

OAuth Security

Obfuscation

Obfuscation

Offline Attack

Offline Attack

Orchestration

Orchestration

OSINT

OSINT

Overprivileged Access

Overprivileged Access

OWASP Top 10

OWASP Top 10

Pass-the-Hash

Pass-the-Hash

Password Policy

Password Policy

Password Spraying

Password Spraying

Patch Management

Patch Management

PCI DSS

PCI DSS

Penetration Testing

Penetration Testing

Penetration Testing Report

Penetration Testing Report

Phishing

Phishing

Phishing Simulation

Phishing Simulation

Post-Quantum Cryptography

Post-Quantum Cryptography

Privilege Escalation

Privilege Escalation

Prompt Injection

Prompt Injection

Proxy Server

Proxy Server

PTaaS (Penetration Testing as a Service)

PTaaS (Penetration Testing as a Service)

Public Key Infrastructure

Public Key Infrastructure

Purple Teaming

Purple Teaming

QoE

QoE

QOS

QOS

Quantum Encryption

Quantum Encryption

Quarantine

Quarantine

Query Injection

Query Injection

Quick Scan

Quick Scan

RAG Security

RAG Security

Ransomware

Ransomware

Ransomware Prevention

Ransomware Prevention

Reconnaissance

Reconnaissance

Red Teaming

Red Teaming

Red Team vs Blue Team

Red Team vs Blue Team

Remote Code Execution

Remote Code Execution

Reverse Engineering

Reverse Engineering

Risk Assessment

Risk Assessment

Role-Based Access Control

Role-Based Access Control

Rules of Engagement

Rules of Engagement

Runtime Protection

Runtime Protection

SaaS Security

SaaS Security

SAST (Static Application Security Testing)

SAST (Static Application Security Testing)

SBOM (Software Bill of Materials)

SBOM (Software Bill of Materials)

SCADA Security

SCADA Security

SCA (Software Composition Analysis)

SCA (Software Composition Analysis)

Secure Code Review

Secure Code Review

Secure Coding

Secure Coding

Secure SDLC

Secure SDLC

Security Architecture Review

Security Architecture Review

Security Audit

Security Audit

Security Awareness Training

Security Awareness Training

Security Misconfiguration

Security Misconfiguration

Serverless Security

Serverless Security

Shadow IT

Shadow IT

SIEM

SIEM

SOC 2

SOC 2

Social Engineering

Social Engineering

Spear Phishing

Spear Phishing

SQL Injection

SQL Injection

SSRF (Server-Side Request Forgery)

SSRF (Server-Side Request Forgery)

Supply Chain Attack

Supply Chain Attack

Tabletop Exercise

Tabletop Exercise

Thick Client Security

Thick Client Security

Third-Party Risk Management

Third-Party Risk Management

Threat Hunting

Threat Hunting

Threat Intelligence

Threat Intelligence

Threat Modeling

Threat Modeling

Tokenization

Tokenization

Traffic Analysis

Traffic Analysis

Training

Training

Tunneling

Tunneling

Two-Factor Authentication

Two-Factor Authentication

Unauthorized Access

Unauthorized Access

Uptime Monitoring

Uptime Monitoring

URL Filtering

URL Filtering

USB Threats

USB Threats

User Behavior Analytics

User Behavior Analytics

User Enumeration

User Enumeration

Vibe Coding Security

Vibe Coding Security

Virtual CISO

Virtual CISO

Virus

Virus

Vishing

Vishing

VM Escape

VM Escape

VPN

VPN

Vulnerability

Vulnerability

Vulnerability Assessment

Vulnerability Assessment

Vulnerability Scanning

Vulnerability Scanning

WAF

WAF

Watering Hole Attack

Watering Hole Attack

Weak Cipher

Weak Cipher

Web Shell

Web Shell

White Box Testing

White Box Testing

Whitelisting

Whitelisting

Wireless Security

Wireless Security

Worm

Worm

X.509 Certificates

X.509 Certificates

XACML

XACML

XDR

XDR

X-Frame-Options

X-Frame-Options

XML Injection

XML Injection

XOR Encryption

XOR Encryption

XSS

XSS

YAML Security

YAML Security

YARA Rules

YARA Rules

Year 2038 Problem

Year 2038 Problem

Yellow Team

Yellow Team

Yielding Attack

Yielding Attack

YubiKey

YubiKey

Zero-Day Vulnerability

Zero-Day Vulnerability

Zero Trust

Zero Trust

Zip Bomb

Zip Bomb

Zombie Account

Zombie Account

Zone Transfer

Zone Transfer

Z-Shielding

Z-Shielding

ZTNA

ZTNA

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