What does a padlock icon in the browser address bar indicate?
AnswerThe connection is encrypted
The padlock shows an encrypted connection, not that the site is trustworthy.
Tech · Facts & stats
Secure facts & stats
7 fact-checked facts about personal online security habits, 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 requires a second proof of identity beyond a password.
Going deeper
What is the default port for HTTPS?
Answer443
HTTPS uses port 443; plain HTTP uses port 80.
How often do authenticator app codes typically change?
AnswerEvery 30 seconds
Most authenticator apps rotate codes every 30 seconds.
What does a VPN mainly do?
AnswerEncrypts traffic through a tunnel to another server
A VPN routes your traffic through an encrypted tunnel.
Expert level
What is the web API behind FIDO2 passkeys called?
AnswerWebAuthn
WebAuthn lets browsers use public-key credentials instead of passwords.
In SFTP, what protocol provides the security?
AnswerSSH
SFTP is the SSH File Transfer Protocol.
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