📌 Content Security Policy (CSP) Summary
Content Security Policy (CSP) is a security feature in web browsers that helps prevent malicious scripts and other harmful content from running on websites. It works by letting website owners specify which sources of content are allowed to be loaded, such as images, scripts, and stylesheets. By setting these rules, CSP can stop many types of attacks, including cross-site scripting and data theft.
🙋🏻♂️ Explain Content Security Policy (CSP) Simply
Imagine your website is a party, and CSP is the guest list at the door. Only people (scripts and content) on the list can get in, so unwanted troublemakers are kept out. This helps keep your party safe and stops gatecrashers from causing problems.
📅 How Can it be used?
A developer can use CSP to restrict which scripts and resources are allowed to load on their website, reducing security risks.
🗺️ Real World Examples
An online banking site uses CSP to only allow scripts from its own servers and trusted partners. This blocks attackers from injecting malicious code that could steal user passwords or redirect funds.
A news website implements CSP to prevent unauthorised third-party advertisements from running scripts that could track users or display fake competitions, protecting both the site and its visitors.
✅ FAQ
What is Content Security Policy and why is it important for websites?
Content Security Policy is a set of rules that website owners can use to tell browsers which content is allowed to load on their site. This is important because it helps stop harmful scripts and code from running, which can protect visitors from attacks like stealing information or redirecting them to unsafe pages.
How does Content Security Policy help protect me when I visit websites?
When a website uses Content Security Policy, it limits where scripts, images, and other resources can come from. This means that if a hacker tries to sneak in malicious code from an unauthorised source, the browser will block it, making your browsing experience safer.
Can using Content Security Policy affect how a website looks or works?
Yes, if Content Security Policy is set up too strictly, it might block some images or scripts that the website actually needs to display or function properly. Website owners need to find the right balance so that their site stays secure without breaking features that visitors expect.
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🔗 External Reference Links
Content Security Policy (CSP) link
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