Here are some notes while working on those free labs from Pentester. Free Offline Web Lab for Pentester https://pentesterlab.com/exercises/web-f……

PentesterLab provides two free exercises every month. This post is to record some interesting ones I have been done.  https://pentesterlab.co……

The "SNMP Agent Default Community Name (public)" refers to a vulnerability and a specific Nessus plugin (ID 41028) that flags devices using the defa……

Security has become a buzzword; every company wants to claim its product or service is secure. But is it? It is impossible to achieve perfect s……

This post collects some studying notes while browsing through https://tryhackme.com/ Penetration Testing Methodologies Penetration tests c……

SPF, DKIM, and DMARC are often associated with outbound email authentication, but they also play a role in inbound email verification. Here's the br……

I had a few posts regarding how to get free Microsoft Office 365 subscription before. Some of them might not work anymore, but here is coming anther……

This post is based on Github project cf_snippets_proxy: https://github.com/jackrun123/cf_snippets_proxy   What is Cloudflare Snippets C……

Zabbix application provides lots of templates to integrate those popular software into their monitoring system.  https://www.zabbix.com/in……

Zabbix application provides lots of templates to integrate those popular software into their monitoring system.  https://www.zabbix.com/in……