1. Security Warnings TROPE: Teachers’ Resources for Online Privacy Education www.teachingprivacy.org 1

2. Overview ●Online communication carries the danger of hacking, malware invasions, and identity theft. 2  But your software can help you!  Your browser gives you lots of warnings, but they’re not all the same.

3. 404 Not Found Warning 3

4. Server Not Found 4

5. Malware Warning 5

6. SSL Certificate Error 6

7. Scam Websites: Other Warning Signs 7

8. Other Signs of Phishing 8

9. Tips to Remember: Summary ●Don’t ignore warnings! Read them and decide whether to continue, depending on: ○Whether this is a site where you need to log in or enter other personal information; ○Whether you’ve seen this warning for this site before; ○Whether you’re using an unsecured/public network. ●Also... Always verify the URL before you click on a link in an email. 9

10. For More Information... Visit Us on the Web! www.teachingprivacy.org Thanks to... TROPE: Teachers’ Resources for Online Privacy Education is supported by a grant from the National Science Foundation (DGE-1419319). Any opinions, findings, and conclusions or recommendations are those of the originators and do not necessarily reflect the views of the National Science Foundation. Licensed by the International Computer Science Institute under a Creative Commons Attribution 4.0 License (CC-BY)Creative Commons Attribution 4.0 License 10