What is a 'white hat' hacker?
AnswerAn ethical hacker who tests systems with permission
White hats find weaknesses legally to help fix them.
Tech · Facts & stats
Hackers facts & stats
7 fact-checked facts about ethical hacking and cybersecurity basics, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What does 2FA stand for?
AnswerTwo-factor authentication
2FA adds a second proof of identity beyond a password.
Going deeper
What is a bug bounty program?
AnswerA program that rewards people for responsibly reporting security flaws
Organizations pay researchers who report vulnerabilities.
What is a firewall?
AnswerA system that filters network traffic by rules
Firewalls allow or block traffic based on rules.
What does CTF stand for in security competitions?
AnswerCapture the Flag
CTF contests hide 'flags' to find by solving security puzzles.
Expert level
What is a 'zero-day' vulnerability?
AnswerA flaw unknown to the vendor with no fix yet
Defenders have had zero days to patch it.
Which 1988 worm is one of the first to spread widely over the internet?
AnswerMorris worm
The Morris worm infected thousands of machines in 1988.
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