What is a data breach?
AnswerUnauthorized access to or exposure of private data
A breach happens when data is accessed or exposed without permission.
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
Which is the strongest password practice?
AnswerUsing a long, unique password for each account
Unique, long passwords limit damage if one site is breached.
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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