Simon Willison’s Weblog

Items tagged quora, security, hacking

Filters: quora × security × hacking ×


What steps can I take to protect my data in case my laptop gets stolen?

Set up full drive encryption—that way if someone steals your laptop they won’t be able to access your data without a password.

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What are the best practices to avoid XSS and SQL Injections attacks (platform agnostic)?

Input validation is, in my opinion, a red herring. Sure—if you ask the user for an integer or date you should make sure they entered one before attempting to save it anywhere or use it for processing, but injection attacks often involve text fields (e.g. names, or comments posted on Quora) and validating those on input is a recipe for banning “Tim O’Reilly” from ever creating a proper profile on your site!

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