What does 2FA stand for?
AnswerTwo-factor authentication
2FA adds a second proof of identity beyond a password.
Tech · Facts & stats
Breach facts & stats
7 fact-checked facts about data breaches, cybersecurity and protecting your accounts, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is phishing?
AnswerTricking people into revealing information through deceptive messages
Phishing messages impersonate trusted senders to steal data.
Going deeper
What does a password manager do?
AnswerStores and generates strong passwords securely
Password managers make unique passwords practical.
What is ransomware?
AnswerMalware that locks files and demands payment
Ransomware encrypts victims' data and demands a ransom.
What is the 'principle of least privilege'?
AnswerGiving users only the access they need
Limiting access reduces the damage a breach can cause.
Expert level
Who created the breach-lookup site Have I Been Pwned?
AnswerTroy Hunt
Security researcher Troy Hunt launched it in 2013.
In password hashing, what is a 'salt'?
AnswerRandom data added to a password before hashing
Salts make identical passwords hash differently, defeating precomputed tables.
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