Author name: ProtocolGuard Research Team

Cross-Origin-Opener-Policy (COOP) is an important security feature in web development and hosting. Born from the need to mitigate security vulnerabilities associated with cross-origin iframes, COOP arrived to ensure a safer browsing experience for all users. This policy is used to tell how a document should be treated when embedded in another origin, which helps increase […]

Website security is a key concern in our current digital age. Cyber threats are always evolving, so it’s very important for web developers and system administrators to stay informed about the available security measures to safeguard their applications and users. This is why today we’re going to tell you about an HTTP header known as

The Server Signature plays a key role in the functioning of web servers. It serves as an identification tag that web servers present to web browsers when we request a web page. You can think of it as a virtual business card that the server displays to the outside world. Contents1 What is the Server

When you navigate the internet, the data you exchange between websites is a critical concern. Enter Referrer-Policy: think of it as your shield during this data exchange. It acts like a protective mechanism, ensuring your privacy remains intact. In this article, we aim to simplify the understanding of this concept. We’ll explore how it impacts

XSS attacks are a constant menace. They let bad guys put harmful code into web pages, which can lead to things like stealing important information, taking control of someone’s online session, and doing other bad things. In this context, the X-XSS-Protection header is a feature that helps keep websites and their users safe. In this

In the world of Internet, new threats that can harm our online information and systems keep appearing. One such threat is called “clickjacking” attack, also known as “UI redressing.” This kind of attack is often underestimated, and that’s a huge mistake. To shield ourselves against it, we can use a great tool known as the

Staying safe while using the internet is really important. The people who create websites have a big job because they need to protect us from bad things like hackers stealing our information or causing trouble. But guess what? They have a special tool called Content Security Policy, or CSP, that makes websites safer for everyone.