Java in Docker: Disks & Native Memory Tracking

Of course, in addition to heap, non-heap and direct memory, the JVM uses a lot…


Java in Docker: OOM and memory cosumption

First of all, you need to prepare for the fact that OOMs are inevitable and you…


Java in Docker: CPU Limits & server class machine

We used to live in kvm virtual machines with CPU and memory limitations and, in…


Fail2ban and Exim on Ubuntu

The fail2ban utility is a popular password protection tool. The principle of…


Kerberos delegation & Abusing GPO Permissions

Kerberos delegation of authority allows you to reuse end-user credentials to…


Roasting and ACL domain attacks

Now after we have the domain information, we move on to the next phase of…


Domain Information Collection Tools

So, we have a domain user or computer account. To continue testing, we need to…


Domain Attacks. Getting an account

During penetration testing, we often detect errors in the domain configuration.…