Management

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How to Block ECH and Mitigate DoH in Enterprise Networks

A hands-on guide using dnsmasq to filter SVCB and HTTPS records for disabling ECH and enforcing central DNS policies. Notes that DoH requires separate network-layer policies.

Review of Citrix Security Policy Effectiveness

Citrix administrators apply security policies to each user’s VDI (Virtual Desktop Infrastructure) through Citrix Group Policy. However, certain structural vulnerabilities in Citrix CSE (Citrix Service Engine) and the Citrix VDI Agent allow for potential bypassing of these security policies.

Security threats and mitigation strategies for java reflection

The **Java Reflection API** is a powerful tool that allows dynamic manipulation of classes, methods, and interfaces at runtime. However, due to its flexibility, it introduces significant security risks, as attackers can exploit it to gain unauthorized access to systems. In this article, we will explore the security threats posed by Java Reflection and outline strategies to mitigate these risks.

In the AI Era, Employees Are Isolated and Organizations Thrive

📂 [Confidential Document] Leaked Copy In the AI Era, Employees Are Isolated and Organizations Thrive — Evil Management Manual v1.0 1. Human Relationships? Eliminate Them What happens when people get too close? Gossip Mass resignations Solidarity and resistance ✅ Solution: Build an AI-centered communication system Automate meeting summaries, reminders, and reports Reduce human interaction → Eliminate emotional overhead “Teamwork is a cost. Efficiency comes from silent individuals.” ...

KPIs Can Cause Incidents!!!

KPIs Can Cause Incidents!!! - Bad metrics produce bad outcomes. Recently, I was going through old emails and found a reply from a junior colleague to a very serious email I had sent. The colleague wrote that after reading my message, they realized they had been mindlessly following instructions without deeper consideration. They promised to carefully consider the ethical implications and correctness of every task, and to proceed based on their own judgment going forward. ...