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I Replaced Proton Pass with a Self-Hosted Password Manager + Private Email Aliases
Why I wrote this: Every "privacy guide" online ends with "use a password manager." None of them tell…
Self-Hosted WAF on a $5 VPS: My Budget Security Setup
The $5 Challenge Can you run a production-grade WAF on the cheapest VPS available? I tested it on …
WAF Logs Explained: How to Read and Act on Attack Data
The Dashboard Isn't Just Numbers Your WAF blocks attacks. The Attack Logs tell you what those atta…
Bot Protection 101: Block Scrapers and Bad Bots Without Affecting Google
Good Bots vs Bad Bots Not all bots are created equal. Bots You Want Bots You Dont Want Go…
Geo-Blocking: Block Malicious Traffic from Specific Countries (2-Minute Setup)
Why Geo-Block? Not every country needs to reach your server. If you run a local business in Brazil…
What 30 Days of WAF Logs Taught Me About Internet Attackers
The Setup Deployed SafeLine Community Edition on a $10/month VPS in front of 3 small websites: a W…
How to Set Up Rate Limiting on Any Web App (Free, No Code Changes)
The Problem Your login page, search endpoint, or contact form is getting hammered. Rate limiting i…
Stop Shipping Unlicensed Dependencies: LicenseAudit CLI for DevOps & Security Teams
The problem Every dependency you pull in carries a license. Many teams never check whether those l…
Proving a proof-of-work solve happened, at a specific time, without trusting the server's logs
The problem: a solve is a fact that only lives in one server's memory If you gate a route with pro…
Can you run a GNN without anyone seeing the data? Journal of our experiments on privacy-preserving GNN inference on microcontrollers
I have been keenly interested in how to make Graph Neural Networks (GNN) run securely on resource-co…
Can you steal a robot's next move by watching its clock? Journal of our experiments on timing side channels in multi agent RL
I have been keenly interested in the intersection of multi-agent reinforcement learning (MARL) and h…
I turned a drawer of old Android phones into screen-off security cameras
Old Android phones pile up in a drawer. Each one still has a usable camera, Wi-Fi, and a battery — e…