02/06/2025
It's time for the NerdyGnome
The CyberGnome often talks about the importance cybersecurity, but it's time to get into the weeds on often neglected topics.
Today, let's explore Content Security Policies.
Don't fall asleep there's good info here.
One of the first things that hackers do when they find a problem on your website is to inject their own code to try to make some money.
This might make your visitors mine cryptocurrency for them, for example, which would increase the temperature on their computer, and might slow it down, but won't affect your server.
Others might put ransomware on your website to infect your visitors. Not only does this open you up to liability issues, but it could also mark your website as being malicious so visitors with with antivirus or newer versions of Windows would get a big warning that would block them from accessing your website because it contained viruses. fortunately, Content Security Policies (CSP) can tell web browsers what content is allowed on your website.
Your web designer likely used third-party content, such as scripts, images, and styles to give you a website faster and more securely than if they did it themselves.
The downside of this is that you need to include all of that content in your Content Security Policy (CSP). CSP has the ability to report things that aren't in it and we've written some tools to gather that information and automate the process of building a CSP for you, so the process can be a lot easier than doing it by hand.
You might be using CSP to upgrade some of your web content from the older insecure versions to HTTPS. This will mean that your Cyber Insurance will be more expensive because when they look through your website, they'll see those missing headers and it exposes you to the risk of hackers putting malicious content on your site.
If you'd like to use our tools, we're happy to set you up with them. Just give us a call or book a meeting.
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