Cyber Codes

Which of these is regularly used for secure online communication?

• Caesar cipher

• Public-key cryptography

• Morse code

• Enigma code

Answer explanation

The other options are all real codes, but they could be decoded in a fraction of the time it would take to crack public-key cryptography.

How can you tell if a website encrypts its traffic?

• Google it.

• Look for the lock symbol in a URL

• All websites encrypt their traffic.

• Encrypted sites take longer to load.

Answer explanation

The most reliable way of checking whether a website encrypts its traffic is to look for the lock symbol in the URL. In a browser, it’s usually followed by “HTTPS.” The “S” stands for “secure.”

What can you trust to be secure 100 percent of the time?

• Text Messages

• Email Messages

• Browser History

• Apps

• None of These