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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API Security

API Security

Access Control

Access Control

Application Security

Application Security

Asset Inventory

Asset Inventory

Attack Surface

Attack Surface

Authentication

Authentication

Authorization

Authorization

Backdoor

Backdoor

Baseline Security

Baseline Security

Botnet

Botnet

Breach

Breach

Browser Exploit

Browser Exploit

Brute Force Attack

Brute Force Attack

Bug Bounty

Bug Bounty

CSPM

CSPM

Cloud Security

Cloud Security

Command Injection

Command Injection

Compliance

Compliance

Credential Stuffing

Credential Stuffing

Cryptography

Cryptography

Cyber Hygiene

Cyber Hygiene

DDoS Attack

DDoS Attack

DMARC

DMARC

Data Leakage

Data Leakage

Detection Engineering

Detection Engineering

Digital Forensics

Digital Forensics

Directory Traversal

Directory Traversal

Disaster Recovery

Disaster Recovery

EDR

EDR

Email Spoofing

Email Spoofing

Encryption

Encryption

Endpoint Security

Endpoint Security

Evasion Techniques

Evasion Techniques

Exploitation

Exploitation

Exposure

Exposure

Federated Identity

Federated Identity

File Integrity Monitoring

File Integrity Monitoring

Firewall

Firewall

Footprinting

Footprinting

Forensics Chain of Custody

Forensics Chain of Custody

Full Stack Assessment

Full Stack Assessment

Fuzz Testing

Fuzz Testing

GDPR

GDPR

Gap Assessment

Gap Assessment

Gateway Security

Gateway Security

Geofencing

Geofencing

Governance

Governance

Gray Box Testing

Gray Box Testing

Group Policy

Group Policy

HTTP Header Security

HTTP Header Security

Hacking Lifecycle

Hacking Lifecycle

Hardening

Hardening

Hashing

Hashing

Heuristics

Heuristics

Honeypot

Honeypot

Hybrid Cloud Security

Hybrid Cloud Security

IPS / IDS

IPS / IDS

Identity Access Management

Identity Access Management

Incident Response

Incident Response

Information Security

Information Security

Injection Attack

Injection Attack

Insider Threat

Insider Threat

IoT Security

IoT Security

JSON Injection

JSON Injection

JWT Security

JWT Security

Jailbreaking

Jailbreaking

Jamming Attack

Jamming Attack

Java Deserialization Attack

Java Deserialization Attack

Jupyter Exploit

Jupyter Exploit

Kerberos Authentication

Kerberos Authentication

Key Exchange

Key Exchange

Key Management

Key Management

Keylogger

Keylogger

Kill Chain

Kill Chain

Kubernetes Security

Kubernetes Security

LDAP Security

LDAP Security

Lateral Movement

Lateral Movement

Least Privilege

Least Privilege

Load Balancer Security

Load Balancer Security

Log Monitoring

Log Monitoring

Logic Flaws

Logic Flaws

MFA

MFA

MITM Attack

MITM Attack

Macro Malware

Macro Malware

Malware

Malware

Managed Security Services

Managed Security Services

Memory Corruption

Memory Corruption

Misconfiguration

Misconfiguration

NAC

NAC

NAT Security

NAT Security

NIST

NIST

Network Scanning

Network Scanning

Network Segmentation

Network Segmentation

Non-Repudiation

Non-Repudiation

Null Session

Null Session

OAuth Security

OAuth Security

OSINT

OSINT

Obfuscation

Obfuscation

Offline Attack

Offline Attack

Orchestration

Orchestration

Overprivileged Access

Overprivileged Access

Password Policy

Password Policy

Patch Management

Patch Management

Penetration Testing

Penetration Testing

Phishing

Phishing

Privilege Escalation

Privilege Escalation

Proxy Server

Proxy Server

Public Key Infrastructure

Public Key Infrastructure

QOS

QOS

QoE

QoE

Quantum Encryption

Quantum Encryption

Quarantine

Quarantine

Query Injection

Query Injection

Quick Scan

Quick Scan

Ransomware

Ransomware

Reconnaissance

Reconnaissance

Red Teaming

Red Teaming

Remote Code Execution

Remote Code Execution

Risk Assessment

Risk Assessment

Role-Based Access Control

Role-Based Access Control

Runtime Protection

Runtime Protection

SIEM

SIEM

SQL Injection

SQL Injection

Secure Coding

Secure Coding

Security Audit

Security Audit

Security Awareness Training

Security Awareness Training

Social Engineering

Social Engineering

Supply Chain Attack

Supply Chain Attack

Threat Intelligence

Threat Intelligence

Threat Modeling

Threat Modeling

Tokenization

Tokenization

Traffic Analysis

Traffic Analysis

Training

Training

Tunneling

Tunneling

Two-Factor Authentication

Two-Factor Authentication

URL Filtering

URL Filtering

USB Threats

USB Threats

Unauthorized Access

Unauthorized Access

Uptime Monitoring

Uptime Monitoring

User Behavior Analytics

User Behavior Analytics

User Enumeration

User Enumeration

VM Escape

VM Escape

VPN

VPN

Virtual CISO

Virtual CISO

Virus

Virus

Vishing

Vishing

Vulnerability

Vulnerability

Vulnerability Scanning

Vulnerability Scanning

WAF

WAF

Watering Hole Attack

Watering Hole Attack

Weak Cipher

Weak Cipher

Web Shell

Web Shell

Whitelisting

Whitelisting

Wireless Security

Wireless Security

Worm

Worm

X-Frame-Options

X-Frame-Options

X.509 Certificates

X.509 Certificates

XACML

XACML

XDR

XDR

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

Z-Shielding

Z-Shielding

ZTNA

ZTNA

Zero Trust

Zero Trust

Zero-Day Vulnerability

Zero-Day Vulnerability

Zip Bomb

Zip Bomb

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