Learn what a crypto wallet is, the different types, account abstraction and how to choose the right wallet.

Learn to create some custom firewall rules on Cloudflare to help protect your site from bots, spammers, hackers, etc. This is a great starting point and can be achieved on the free tier.

This post explains an attack chain for the ChatGPT macOS application. Through prompt injection from untrusted data, attackers could insert long-term persistent spyware into ChatGPT’s memory. This led to continuous data exfiltration of any information the user typed or responses received by ChatGPT, including any future chat sessions.

Shodan is the world's first search engine for Internet-connected devices. Discover how Internet intelligence can help you make better decisions.

Learn to set up Google single sign-on (SSO) for SSH using OpenID Connect (OIDC), short-lived SSH certificates, and Smallstep's step-ca and step packages. Create an SSH Certificate Authority to bootstrap a new host and user. Though it requires more initial effort than a typical SSH key setup, this method simplifies key management by eliminating the need for managing authorized_keys files and offers additional benefits beyond SSO.

This site provides a public service and helps people check if their details were included in a data breach. Data breaches are rampant and many people don't appreciate the scale or frequency with which they occur. The creators hope that it not only helps victims learn of compromises of their accounts, but also highlights the severity of the risks of online attacks on today's internet.

How do you manage SSH keys when a developer leaves a company? Marc explores a solution that avoids having a single point of failure that is commonly found with commercial and open-source solutions.

There are many suggested “best practices” on the internet around protecting your servers however how many of them have you actually questioned for it’s validity? LiveOverflow critically breaks down some of the most common “best practices” to give you a better understanding of where they came from and considerations of what to do.

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

A free cyber detective game with different cases. In each case, a company has been compromised by vicious hackers. We'll give you all the tools required to track down and defeat the adversaries.