Are flashcards effective for the CEH exam?

Yes. Flashcards use active recall — retrieving an answer from memory — which research shows is one of the most effective study methods, especially in short, spaced sessions. CEH is heavy on tools, ports, attack types, and terminology, which is exactly what flashcards drill best.

What topics do the CEH flashcards cover?

All nine CEH v13 domains: Information Security & Overview, Reconnaissance (footprinting, scanning, enumeration), System Hacking & Malware, Network & Perimeter Hacking (sniffing, social engineering, DoS, session hijacking, evasion), Web Application Hacking, Wireless, Mobile/IoT/OT, Cloud, and Cryptography.

How should I study with these CEH flashcards?

Lead with the highest-weighted domains — Network & Perimeter Hacking (24%), Reconnaissance (17%), System Hacking (15%), and Web Application Hacking (14%), which together are 70% of the exam. Mix the modes: flip to learn, type to test recall, match for speed, and quiz to check yourself before a full practice test.

Are the CEH flashcards free?

Yes — 100% free, all four study modes, no paywall and no sign-up.

Do these flashcards match the current CEH exam blueprint?

Yes. The cards are organized to EC-Council's current CEH v13 (Exam Blueprint v5.0), covering all nine scored domains in their official proportions, including the expanded cloud and AI-driven content.

Confidentiality, Integrity, Availability — the three core goals of information security.

Ensuring only authorized people can access data; enforced by encryption and access control.

Ensuring data is accurate and unaltered; enforced by hashing and digital signatures.

Ensuring authorized users can access data and systems when needed; enforced by redundancy and backups.

Assurance that someone cannot deny an action; provided by digital signatures and logging.

A weakness or flaw in a system that could be exploited by a threat.

A potential danger — an attacker or malware — that could exploit a vulnerability.

The code or technique that actively takes advantage of a vulnerability.

The likelihood a threat exploits a vulnerability combined with the impact if it does.

Anything of value worth protecting — data, a server, a service, or a reputation.

Five phases of hacking

Reconnaissance, Scanning, Gaining Access, Maintaining Access, Clearing Tracks.

Reconnaissance (phase 1)

Gathering information about the target before attacking.

Gaining Access (phase 3)

Exploiting a weakness to get into a system, then escalating privileges.

Maintaining Access (phase 4)

Keeping the foothold with backdoors, rootkits, or new accounts.

Clearing Tracks (phase 5)

Covering the trail — clearing logs, hiding files, disabling auditing.

An authorized, ethical hacker who tests systems with permission to improve security.

A malicious attacker who breaks into systems without authorization for harm or gain.

A hacker who probes systems without permission but without clear malicious intent.

An unskilled attacker who uses tools and exploits written by others.

An attacker motivated by a political or social cause.

Layering multiple independent controls so one failure doesn't expose the asset.

Lockheed Martin's 7 stages: recon, weaponization, delivery, exploitation, installation, C2, actions on objectives.

A knowledge base of real-world adversary tactics and techniques across the attack lifecycle.

A pentest where the tester has no prior knowledge of the target (external attacker view).

A pentest where the tester has full knowledge (architecture, source, credentials).

A pentest with partial knowledge, such as a standard user account.

The agreed scope, methods, timing, and limits of an authorized engagement.

Vulnerability scan vs pentest

A scan only identifies weaknesses; a penetration test actually exploits them.

Written permission and defined scope — the only thing separating a CEH from a criminal.

Payment Card Industry Data Security Standard — protects cardholder data.

U.S. law protecting the privacy and security of health information.

EU regulation governing personal-data privacy and protection.

International standard for an information security management system (ISMS).

Authentication, Authorization, Accounting.

A program that pays outside researchers for responsibly disclosed vulnerabilities.

Systematically gathering information to profile a target's network, people, and tech.

Passive reconnaissance

Gathering info with no direct contact — OSINT, WHOIS, DNS, Shodan, social media.

Active reconnaissance

Interacting with the target directly — ping sweeps, port scans, banner grabbing.

Open-Source Intelligence — information gathered from publicly available sources.

Using search operators (site:, inurl:, intitle:, filetype:) to find exposed information.

A search engine that indexes Internet-connected devices and their open services.

A query returning domain/IP registration details (registrar, contacts, name servers).

Querying DNS records (A, MX, NS, TXT); a zone transfer can dump the whole zone.

DNS zone transfer (AXFR)

Copying an entire DNS zone; if misconfigured, it leaks all records to an attacker.

A tool that gathers emails, subdomains, and hosts from public sources.

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CEH Flashcards

CIA triad: Confidentiality, Integrity, Availability — the three core goals of information security.
Confidentiality: Ensuring only authorized people can access data; enforced by encryption and access control.
Integrity: Ensuring data is accurate and unaltered; enforced by hashing and digital signatures.
Availability: Ensuring authorized users can access data and systems when needed; enforced by redundancy and backups.
Non-repudiation: Assurance that someone cannot deny an action; provided by digital signatures and logging.
Vulnerability: A weakness or flaw in a system that could be exploited by a threat.
Threat: A potential danger — an attacker or malware — that could exploit a vulnerability.
Exploit: The code or technique that actively takes advantage of a vulnerability.
Risk: The likelihood a threat exploits a vulnerability combined with the impact if it does.
Asset: Anything of value worth protecting — data, a server, a service, or a reputation.
Five phases of hacking: Reconnaissance, Scanning, Gaining Access, Maintaining Access, Clearing Tracks.
Reconnaissance (phase 1): Gathering information about the target before attacking.
Gaining Access (phase 3): Exploiting a weakness to get into a system, then escalating privileges.
Maintaining Access (phase 4): Keeping the foothold with backdoors, rootkits, or new accounts.
Clearing Tracks (phase 5): Covering the trail — clearing logs, hiding files, disabling auditing.
White hat: An authorized, ethical hacker who tests systems with permission to improve security.
Black hat: A malicious attacker who breaks into systems without authorization for harm or gain.
Gray hat: A hacker who probes systems without permission but without clear malicious intent.
Script kiddie: An unskilled attacker who uses tools and exploits written by others.
Hacktivist: An attacker motivated by a political or social cause.
Defense in depth: Layering multiple independent controls so one failure doesn't expose the asset.
Cyber Kill Chain: Lockheed Martin's 7 stages: recon, weaponization, delivery, exploitation, installation, C2, actions on objectives.
MITRE ATT&CK: A knowledge base of real-world adversary tactics and techniques across the attack lifecycle.
Black-box testing: A pentest where the tester has no prior knowledge of the target (external attacker view).
White-box testing: A pentest where the tester has full knowledge (architecture, source, credentials).
Gray-box testing: A pentest with partial knowledge, such as a standard user account.
Rules of engagement: The agreed scope, methods, timing, and limits of an authorized engagement.
Vulnerability scan vs pentest: A scan only identifies weaknesses; a penetration test actually exploits them.
Authorization: Written permission and defined scope — the only thing separating a CEH from a criminal.
PCI-DSS: Payment Card Industry Data Security Standard — protects cardholder data.
HIPAA: U.S. law protecting the privacy and security of health information.
GDPR: EU regulation governing personal-data privacy and protection.
ISO/IEC 27001: International standard for an information security management system (ISMS).
AAA: Authentication, Authorization, Accounting.
Bug bounty: A program that pays outside researchers for responsibly disclosed vulnerabilities.
Footprinting: Systematically gathering information to profile a target's network, people, and tech.
Passive reconnaissance: Gathering info with no direct contact — OSINT, WHOIS, DNS, Shodan, social media.
Active reconnaissance: Interacting with the target directly — ping sweeps, port scans, banner grabbing.
OSINT: Open-Source Intelligence — information gathered from publicly available sources.
Google dorking: Using search operators (site:, inurl:, intitle:, filetype:) to find exposed information.
Shodan: A search engine that indexes Internet-connected devices and their open services.
WHOIS: A query returning domain/IP registration details (registrar, contacts, name servers).
DNS enumeration: Querying DNS records (A, MX, NS, TXT); a zone transfer can dump the whole zone.
DNS zone transfer (AXFR): Copying an entire DNS zone; if misconfigured, it leaks all records to an attacker.
theHarvester: A tool that gathers emails, subdomains, and hosts from public sources.
Maltego: An OSINT tool that maps relationships between people, domains, and infrastructure.
Nmap: The standard network scanner for host discovery, port scanning, and OS/version detection.
TCP three-way handshake: SYN → SYN/ACK → ACK — how a TCP connection is established.
TCP connect scan (-sT): Completes the full handshake — reliable but easily logged.
SYN / half-open scan (-sS): Sends SYN, never finishes the handshake — stealthier; the default for root.
NULL / FIN / Xmas scans: Send unusual TCP flag combinations to slip past simple filters.
UDP scan (-sU): Probes connectionless services like DNS, SNMP, and DHCP.
Banner grabbing: Reading a service's response to identify its software and version.
OS fingerprinting (-O): Identifying the target operating system from network behavior.
Ping sweep: Sending ICMP echo requests to a range to find live hosts.
Enumeration: Actively extracting users, shares, services, and config after scanning.
NetBIOS / SMB ports: 137–139 and 445 — enumerate Windows shares, users, and system names.
SNMP port: 161 — default community strings ('public'/'private') can leak device config.
LDAP port: 389 — enumerate directory objects: users, groups, and OUs.
SMTP enumeration: Port 25 — VRFY/EXPN/RCPT TO can reveal valid email accounts.
NTP port: 123 — can reveal hosts and times that sync to a server.
NFS port: 2049 — network file shares that may be exported insecurely.
SNMP community strings: Shared 'passwords' for SNMP; defaults 'public' (read) and 'private' (write) are classic findings.
Scanning countermeasure: Reduce exposed ports and services — you can't attack a closed port.
netcat: A versatile tool to read/write network connections; banner grabbing and simple backdoors.
Wayback / archived pages: Old site versions revealing structure or data the target later removed.
Email footprinting: Tracking email headers and read-receipts to map infrastructure and behavior.
Vulnerability assessment: A systematic review that identifies, classifies, and prioritizes weaknesses.
CVSS: Common Vulnerability Scoring System — a 0–10 score rating a vulnerability's severity.
CVE: Common Vulnerabilities and Exposures — a public catalog of IDs for known vulnerabilities.
False positive: A finding flagged as a vulnerability that isn't actually exploitable.
Password cracking: Recovering passwords from hashes via dictionary, brute-force, hybrid, or rainbow tables.
Dictionary attack: Tries a wordlist of likely passwords against a hash or login.
Brute-force attack: Tries every possible combination until the password is found.
Hybrid attack: Combines a dictionary with appended numbers/symbols (e.g., Password123!).
Rainbow table: A precomputed table of hashes used to reverse unsalted password hashes quickly.
Salting: Adding unique random data before hashing so identical passwords differ; defeats rainbow tables.
Pass-the-hash: Authenticating with a captured NTLM hash without cracking the plaintext password.
Kerberoasting: Requesting service tickets and cracking them offline to recover service-account passwords.
Privilege escalation: Gaining higher access than granted — vertical (to admin) or horizontal (to another user).
Vertical privilege escalation: Moving from a low-privilege account to administrator or root.
Horizontal privilege escalation: Moving sideways to another user's account at the same level.
DLL hijacking: Tricking a program into loading a malicious library to run attacker code.
SUID exploitation: Abusing a Linux root-owned binary with the setuid bit to gain root.
Rootkit: Malware that hides deep in the system (often the kernel) for stealthy privileged access.
User-mode vs kernel-mode rootkit: User-mode hooks normal programs; kernel-mode runs with the highest privilege and is harder to detect.
Keylogger: Software or hardware that records keystrokes to capture passwords and input.
Spyware: Malware that secretly collects information about a user or system.
Steganography: Hiding data inside other data (e.g., within an image) to conceal its existence.
Clearing logs: Deleting or altering log entries to cover the attacker's tracks.
Malware: Malicious software — viruses, worms, trojans, ransomware, spyware, rootkits, fileless.
Virus: Malware that attaches to a host file and needs user action to run and spread.
Worm: Self-propagating malware that spreads across networks with no user action.
Trojan: Malware disguised as legitimate software that opens a hidden backdoor when run.
Ransomware: Malware that encrypts a victim's data and demands payment for the decryption key.
Double extortion: Ransomware that also steals data and threatens to leak it if no ransom is paid.
Fileless malware: Malware that runs in memory using legitimate tools to evade disk-based detection.
APT: Advanced Persistent Threat — a skilled, well-resourced adversary keeping long-term stealthy access.
Logic bomb: Malicious code that executes when a specific condition (date/event) is met.
Static malware analysis: Inspecting malware without running it (strings, hashes, headers).
Dynamic malware analysis: Running malware in a sandbox to observe its behavior.
Backdoor: A hidden method of bypassing authentication to regain access to a system.
Sniffing: Capturing and inspecting network traffic, often to harvest credentials or data.
Promiscuous mode: A NIC mode that captures all traffic on a segment, not just frames addressed to it.
Active vs passive sniffing: Passive works on hubs; active (ARP poisoning) is needed on switched networks.
Wireshark: A packet analyzer used to capture and inspect network traffic in detail.
tcpdump: A command-line packet capture tool for Unix/Linux.
ARP poisoning: Sending forged ARP replies to redirect LAN traffic through the attacker (on-path).
ARP poisoning defense: Dynamic ARP Inspection (DAI), static ARP entries, and encryption.
MAC flooding: Overflowing a switch's CAM table so it fails open and broadcasts like a hub.
MAC flooding defense: Port security — limit the number of MAC addresses per port.
DHCP starvation: Exhausting the DHCP pool, then offering an attacker-controlled gateway/DNS.
DHCP snooping: A switch feature that blocks rogue DHCP servers and starvation attacks.
DNS poisoning: Injecting false DNS records so victims resolve a name to an attacker's host.
DNSSEC: Adds cryptographic signatures to DNS to prevent record forgery.
On-path attack: Secretly relaying or altering traffic between two parties (formerly man-in-the-middle).
MAC spoofing: Changing a device's MAC address to impersonate another or bypass filters.
Social engineering: Manipulating people into divulging info or actions that compromise security.
Phishing: A fraudulent email that tricks the victim into revealing credentials or running malware.
Spear phishing: Phishing targeted at a specific individual or organization.
Whaling: Phishing that targets high-value executives.
Vishing: Voice phishing — a social-engineering attack over a phone call.
Smishing: SMS phishing — a social-engineering attack by text message.
Pretexting: Inventing a believable scenario to extract information from a target.
Tailgating / piggybacking: Following an authorized person through a secure door without credentials.
Impersonation: Posing as IT, a vendor, or an executive to gain trust and access.
Business email compromise: Impersonating a trusted executive or vendor to authorize fraudulent payments.
Insider threat: An employee/contractor misusing authorized access to harm the organization.
Social engineering defense: Recurring security-awareness training plus phishing simulations.
Denial-of-service (DoS): Overwhelming a system so legitimate users can't access it.
DDoS: A distributed DoS launched from many compromised machines (a botnet) at once.
Botnet: A network of malware-infected 'zombie' hosts controlled by an attacker.
SYN flood: A protocol DoS that exhausts server state with half-open TCP connections.
Volumetric attack: A DoS that saturates the target's bandwidth (UDP/ICMP floods, amplification).
Application-layer DoS: Low-volume valid-looking requests that exhaust app resources (e.g., Slowloris).
SYN cookies: A defense that lets a server handle SYN floods without allocating state.
Session hijacking: Taking over an authenticated session by stealing or predicting the session ID.
Session fixation: Planting a known session ID before the victim logs in, then reusing it.
HttpOnly cookie flag: Prevents JavaScript from reading a cookie — blunts cookie theft via XSS.
Secure cookie flag: Ensures a cookie is only sent over HTTPS.
IDS: Intrusion Detection System — detects and alerts on suspicious traffic (passive).
IPS: Intrusion Prevention System — detects and blocks suspicious traffic inline (active).
Stateful firewall: A firewall that tracks connection state to allow only valid return traffic.
Honeypot: A decoy system that lures attackers away from real assets and records them.
Honeynet: A network of honeypots that mimics a real environment.
IDS evasion: Fragmentation, encoding, and tunneling to break the signature an IDS looks for.
Firewalking: Probing which ports/services a firewall permits by manipulating TTLs.
OWASP Top 10: The list of the most critical web application security risks.
Web server attack: Targeting server software/config — traversal, defaults, unpatched CVEs.
Directory traversal: Using ../ to access files outside the intended web root.
SQL injection: Inserting malicious SQL into input so the database runs unintended commands.
SQLi primary fix: Parameterized queries (prepared statements) plus input validation.
In-band SQLi: SQL injection where results come back in the same channel (union/error-based).
Blind SQLi: Inferring data via true/false (boolean) or response timing (time-based).
' OR '1'='1: A classic SQLi payload that makes a WHERE clause always true to bypass login.
Cross-site scripting (XSS): Injecting script into a trusted site that runs in another user's browser.
Stored XSS: Malicious script persisted on the server and served to many users.
Reflected XSS: Malicious script echoed back from a request and run immediately.
DOM-based XSS: XSS executed entirely in the browser via the page's own JavaScript.
XSS primary fix: Output encoding plus a Content Security Policy (CSP).
CSRF: Forcing an authenticated user's browser to send an unwanted request to a trusted site.
CSRF defense: Anti-CSRF tokens and SameSite cookies.
Command injection: Running OS commands through unvalidated input.
LFI / RFI: Local/Remote File Inclusion — loading attacker-chosen files via input.
SSRF: Server-Side Request Forgery — making the server request attacker-chosen URLs.
Broken access control: Failing to enforce what authenticated users may do — a top OWASP risk.
IDOR: Insecure Direct Object Reference — accessing others' data by changing an ID.
Input validation: Treating all user input as untrusted and checking it server-side.
WAF: Web Application Firewall — filters layer-7 attacks like injection and XSS.
Burp Suite: A proxy/toolkit for intercepting and testing web application requests.
Web cache poisoning: Tricking a cache into storing and serving a malicious response.
Clickjacking: Tricking a user into clicking a hidden element via a transparent overlay/iframe.
WEP: Obsolete Wi-Fi encryption using RC4 with a weak, reused IV — completely broken.
WPA2: Wi-Fi security using AES-CCMP; weak pre-shared keys are crackable offline.
WPA3: Current Wi-Fi standard; SAE (Dragonfly) resists offline password cracking.
Four-way handshake: The WPA2 key exchange; capturing it enables an offline dictionary attack.
Aircrack-ng: A suite for capturing handshakes and cracking WEP/WPA keys.
Evil twin: A rogue access point impersonating a legitimate SSID to capture traffic/credentials.
Rogue access point: An unauthorized AP attached to a network, creating a backdoor.
Deauthentication attack: Forging deauth frames to knock clients off so they reconnect (often to an evil twin).
WPS attack: Brute-forcing the 8-digit Wi-Fi Protected Setup PIN to recover the passphrase.
Bluejacking: Sending unsolicited messages to a Bluetooth device.
Bluesnarfing: Stealing data from a Bluetooth device without permission.
Bluebugging: Taking control of a Bluetooth device to make calls or read data.
KRACK: Key Reinstallation Attack against the WPA2 four-way handshake.
Wardriving: Searching for Wi-Fi networks while moving, to map and target them.
OWASP Mobile Top 10: The list of the most critical mobile application security risks.
Rooting / jailbreaking: Removing an OS's built-in restrictions — also removes security protections.
App repackaging: Adding malware to a legitimate app and redistributing it.
Insecure data storage: Storing sensitive data (tokens, credentials) unprotected on a device.
MDM: Mobile Device Management — enforces policy, encryption, and remote wipe.
BYOD: Bring Your Own Device — employees use personal devices for work.
COPE: Corporate-Owned, Personally Enabled device model.
Overlay attack: Malware that draws a fake screen over a real app to steal input.
IoT: Internet of Things — networked physical devices, often with weak defaults.
OWASP IoT Top 10: Leading IoT risks: weak passwords, insecure services, no update mechanism.
Weak default credentials: Hard-coded/default passwords on IoT devices that are rarely changed.
OT: Operational Technology — systems that monitor and control physical processes.
ICS / SCADA: Industrial Control Systems / Supervisory Control and Data Acquisition.
AIC priority (OT): OT flips the CIA triad to Availability → Integrity → Confidentiality (safety first).
Zigbee / BLE: Short-range IoT protocols that expand the wireless attack surface.
IoT segmentation: Isolating IoT/OT devices on separate networks as a key defense.
Purdue model: A reference architecture for segmenting ICS/OT network zones.
Shared responsibility model: Provider secures the cloud; customer secures data, identities, and config.
IaaS: Infrastructure as a Service — customer manages OS, apps, and data (the most).
PaaS: Platform as a Service — provider manages the runtime; customer manages apps/data.
SaaS: Software as a Service — provider manages almost everything (customer: data/access).
Cloud misconfiguration: The leading cause of cloud breaches — e.g., a public storage bucket.
Public S3 bucket: An object-storage bucket left readable to anyone — a classic cloud finding.
IAM key compromise: Stolen long-lived API keys let an attacker abuse cloud resources.
Cryptojacking: Using stolen cloud resources to mine cryptocurrency.
Container: Packages an app with its dependencies, sharing the host OS kernel (e.g., Docker).
Container escape: Breaking out of a container's isolation to reach the host or other containers.
Kubernetes secrets: Sensitive values (passwords, keys) used by pods — must be protected.
Serverless: Running functions without managing servers; risks include over-permissioned roles.
Least privilege (cloud): Granting IAM roles only the minimum permissions needed.
CASB: Cloud Access Security Broker — enforces policy between users and cloud services.
Symmetric encryption: One shared secret key encrypts and decrypts; fast (AES, DES/3DES).
Asymmetric encryption: A public/private key pair; encrypt with one key, decrypt with the other (RSA, ECC).
Hashing: A one-way function producing a fixed-length digest (SHA-256); not reversible.
AES: The current symmetric block-cipher standard (Rijndael); 128/192/256-bit keys.
RSA: An asymmetric algorithm whose security rests on factoring large numbers.
ECC: Elliptic Curve Cryptography — strong asymmetric security with smaller keys.
Diffie-Hellman: A key-exchange algorithm that derives a shared secret over an insecure channel.
MD5: A broken hash function — practical collisions make it unsafe for integrity.
SHA-1: A broken hash function — collision attacks exist; replaced by SHA-256/SHA-3.
SHA-256: A secure hash producing a 256-bit digest, widely used for integrity.
Digital signature: A hash signed with the sender's private key; proves integrity and authenticity.
Encrypt vs sign keys: Encrypt FOR someone with their public key; SIGN with your own private key.
PKI: Public Key Infrastructure — CAs, policies, and keys that issue digital certificates.
X.509 certificate: A file binding a public key to a verified identity, signed by a CA.
Certificate Authority: A trusted entity that issues and signs digital certificates.
CRL / OCSP: Certificate Revocation List / Online Certificate Status Protocol — revocation checks.
TLS handshake: Uses asymmetric crypto to exchange a fast symmetric session key (hybrid).
Birthday attack: Exploits collision math to find two inputs with the same hash faster than brute force.
ECB mode weakness: Encrypting identical blocks identically leaks patterns — avoid ECB.
Key escrow: Storing copies of cryptographic keys with a trusted third party for recovery.
PGP / GPG: Tools for email encryption and signing using public-key cryptography.
Disk encryption: Protecting data at rest by encrypting the whole drive (e.g., BitLocker).
Salting (crypto): Unique random data added before hashing so equal passwords differ.
Collision: When two different inputs produce the same hash — a flaw in MD5/SHA-1.

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By Career EmployerUpdated Jun 19, 2026

200+ free CEH flashcards — 4 ways to study

CEH Flashcard of the DayNew daily

The classic card. Do you know this one?

Click Study Flashcards above to open the flashcard hub — hundreds of CEH cards you can flip, match, type, or quiz yourself on. Every card is drawn from the nine official CEH v13 domains, so you study exactly what the exam tests.^[2] Pair them with our free practice test and study guide.

CEH Flashcard Study Modes

Most flashcard sites give you one thing: a card to flip. Ours has four modes so you can both learn the material and prove you know it — the difference between recognizing an answer and recalling it under exam pressure.

Flip (Study) — the classic card. Flip term ↔ definition, shuffle the deck, and mark each card “Got it” or “Still learning.”
Match (Game) — a timed game: pair each term to its definition as fast as you can. Great for cementing attack types, ports, and tool names.
Type (Recall) — read the definition and type the term. Typing forces true active recall instead of passive recognition.
Quiz (Test) — multiple-choice questions generated from the cards, so you self-test exactly like exam day.

Free CEH flashcards from Career Employer — active recall for the EC-Council Certified Ethical Hacker exam

Why Flashcards Work for CEH

Flashcards aren’t busywork — they’re built on active recall: pulling an answer out of memory strengthens it far more than re-reading notes. Pair that with spacing — short sessions across several days rather than one cram — and you retain more in less time.

CEH is dense with terminology — attack types, malware families, hacking tools, default ports, cryptography, and frameworks like MITRE ATT&CK.^[3] Spaced flashcards are the most efficient way to keep it all fresh. Used alongside our practice test and study guide, they turn review time into measurable progress.

CEH Flashcards by Domain

The cards are organized by the nine official CEH v13 domains. Drill the highest-weighted ones first — Network & Perimeter Hacking and Reconnaissance alone are 41% of the exam:^[2]

CEH flashcards by domain and weight
Domain	Exam weight
Network & Perimeter Hacking	24%
Reconnaissance Techniques	17%
System Hacking Phases & Attack Techniques	15%
Web Application Hacking	14%
Mobile, IoT & OT Hacking	10%
Information Security & Overview	6%
Wireless Network Hacking	5%
Cloud Computing	5%
Cryptography	5%

How to Get the Most Out of These Flashcards

Lead with the heavy domains. Network & Perimeter (24%), Reconnaissance (17%), System Hacking (15%), and Web App (14%) are 70% of the exam — start there.
Use Type and Quiz, not just Flip. Recognizing the right answer is easy; recalling and choosing it is the real test.
Drill your weakest domain. Pick a single domain deck and grind it until the Match time drops and the Quiz score climbs.
Then prove it. When the cards feel easy, confirm with a full practice test before exam day.

CEH Flashcards FAQ

Hundreds of free CEH flashcards, organized across all nine official CEH v13 domains — from Reconnaissance and System Hacking to Web Application Hacking, Wireless, Cloud, and Cryptography. They're free with no account required.

References

1.EC-Council. “Certified Ethical Hacker (CEH) — Program Overview.” eccouncil.org. ↑
2.EC-Council. “CEH Exam Blueprint v5.0.” cert.eccouncil.org. ↑
3.The MITRE Corporation. “MITRE ATT&CK — Enterprise Matrix.” attack.mitre.org. ↑

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