SMTP over XXE − how to send emails using Java’s XML parser

I regularly find XML eXternal Entity (XXE) vulnerabilities while performing penetration tests. These are particularly often present in Java-based systems, where the default for most XML parsers still is parsing and acting upon inline DTDs, even though I have not seen a single use case where this was really neceassary. While the vulnerability is useful…

MySQL Out-of-Band Hacking

Out-of-band injections are very well researched when it comes to MSSQL and Oracle. But in MySQL I noticed that this topic is not well researched. I thought of researching about this topic based on my experiences in SQL injections. For this purpose we can take advantage of functions such as load_file() and select … into…

What Is Network Security?

How does network security work? Network security combines multiple layers of defenses at the edge and in the network. Each network security layer implements policies and controls. Authorized users gain access to network resources, but malicious actors are blocked from carrying out exploits and threats. How do I benefit from network security? Digitization has transformed…