Certified SecureCertified Secure
Safe Internet

Safe Internet

Get Certified

Internet Fundamentals

Internet Fundamentals

Start the Security Quiz

Don't click

Don't click

Start the Security Quiz

Safe Internet Challenge

Safe Internet Challenge

Start the Challenge

Internet Fundamentals

Internet Fundamentals

View instruction video

Phishing Fundamentals

Phishing Fundamentals

View instruction video

Update Fundamentals

Update Fundamentals

View instruction video

Malware Infection

Malware Infection

View instruction video

Safe Internet Plus

Safe Internet Plus

Get Certified

Don't click Plus

Don't click Plus

Start the Security Quiz

Password Fundamentals

Password Fundamentals

Start the Security Quiz

Password Quiz

Password Quiz

Start the Security Quiz

Password Fundamentals

Password Fundamentals

View instruction video

Phishing Fundamentals

Phishing Fundamentals

View instruction video

Malware Infection

Malware Infection

View instruction video

Safe Online Banking

Safe Online Banking

View instruction video

Essential Security

Essential Security

Get Certified

I know what you mean

I know what you mean

Start the Security Quiz

iDB Challenge

iDB Challenge

Start the Challenge

Herman Flight Security

Herman Flight Security

Start the Challenge

Comedy and Tragedy

Comedy and Tragedy

Start the Challenge

Security Shop

Security Shop

Start the Challenge

Treasure Challenge

Treasure Challenge

Start the Challenge

Web Fundamentals

Web Fundamentals

View instruction video

Essential Specialties

Essential Specialties

Get Certified

CTF Challenge

CTF Challenge

Start the Challenge

Boris Challenge

Boris Challenge

Start the Challenge

Distelcorp Challenge

Distelcorp Challenge

Start the Challenge

Comedy and Tragedy

Comedy and Tragedy

Start the Challenge

Treasure Challenge

Treasure Challenge

Start the Challenge

Instruction Path Traversal

Instruction Path Traversal

View instruction video

Instruction SQL Injection

Instruction SQL Injection

View instruction video

Security Specialist

Security Specialist

Get Certified

Connect the packets

Connect the packets

Start the Security Quiz

Date My Ports

Date My Ports

Start the Challenge

Name that vulnerability

Name that vulnerability

Start the Security Quiz

Find My Ports

Find My Ports

Start the Challenge

Poemshare

Poemshare

Start the Challenge

Smarthome

Smarthome

Start the Challenge

P2000 Challenge

P2000 Challenge

Start the Challenge

Forensic Specialist

Forensic Specialist

Get Certified

Cosmo Challenge

Cosmo Challenge

Start the Challenge

Know your Forensics

Know your Forensics

Start the Security Quiz

Network Analysis

Network Analysis

Start the Challenge

Security Shop Analysis

Security Shop Analysis

Start the Challenge

Capturing Network Traffic

Capturing Network Traffic

View instruction video

Analyzing Network Traffic

Analyzing Network Traffic

View instruction video

Copying Hard Disks

Copying Hard Disks

View instruction video

Web Security Specialist

Web Security Specialist

Get Certified

Van Zant Bank & Finance

Van Zant Bank & Finance

Start the Challenge

Basic Web Security

Basic Web Security

Start the Security Quiz

Avatar Challenge

Avatar Challenge

Start the Challenge

Honest Achmed

Honest Achmed

Start the Challenge

Tetris Challenge

Tetris Challenge

Start the Challenge

Chess Challenge

Chess Challenge

Start the Challenge

Paste Challenge

Paste Challenge

Start the Challenge

Aware Programmer

Aware Programmer

Get Certified

What's up?

What's up?

Start the Challenge

Application Security Quiz

Application Security Quiz

Start the Security Quiz

No More Path Traversal

No More Path Traversal

Start the Challenge

No More SQL Injection

No More SQL Injection

Start the Challenge

No More XSS

No More XSS

Start the Challenge

Instructie Input Validation

Instructie Input Validation

View instruction video

User Input Examples

User Input Examples

View instruction video

Aware Administrator

Aware Administrator

Get Certified

Build that Firewall

Build that Firewall

Start the Challenge

Server Security Quiz

Server Security Quiz

Start the Security Quiz

What rule to use?

What rule to use?

Start the Security Quiz

Rule that order

Rule that order

Start the Challenge

Firewall Basics

Firewall Basics

Start the Challenge

Firewall Advanced

Firewall Advanced

Start the Challenge

Instructie Firewalling

Instructie Firewalling

View instruction video

Server Security Specialist

Server Security Specialist

Get Certified

Shell4All

Shell4All

Start the Challenge

Basic Server Security

Basic Server Security

Start the Security Quiz

Find My UDP Ports

Find My UDP Ports

Start the Challenge

Fasttrack Challenge

Fasttrack Challenge

Start the Challenge

Guess My Password

Guess My Password

Start the Challenge

Open Relay

Open Relay

Start the Challenge

Anonymous FTP

Anonymous FTP

Start the Challenge

Register with Certified Secure

Register

Recent scores

8 minutes ago

scored 100% for Acronym Alex

15 minutes ago

scored 50% for Minobet Part 1

35 minutes ago

scored 100% for I know what you mean

40 minutes ago

42 minutes ago

46 minutes ago

scored 86% for CTF Challenge

48 minutes ago

scored 71% for CTF Challenge

50 minutes ago

scored 100% for iDB Challenge

51 minutes ago

scored 57% for CTF Challenge

53 minutes ago

scored 43% for CTF Challenge

1 hours ago

scored 100% for Mobile Awareness

1 hours ago

scored 100% for Date My Ports

1 hours ago

scored 95% for Date My Ports

1 hours ago

scored 29% for CTF Challenge

1 hours ago

scored 14% for CTF Challenge

1 hours ago

scored 100% for Boris Challenge