From a senior to future senior Hackers

Chaining Three Ivanti Connect Secure Zero-Days to Root a Fully Patched VPN

pr0h0•10/14/2026

ivantizero-dayvpn-securityedge-device-exploitationroot-access

From app.listen() to Function URLs: A Hands-On Express Migration to Lambda Web Functions

pr0h0•10/14/2026

aws-lambdaexpressserverlessnodejsaws

How Cloudflare D1 Scales to a Million Databases Without a Hot-Path Directory

pr0h0•10/14/2026

cloudflared1sqliteserverlessdatabases

How Cloudflare D1 Scales to a Million Databases Without a Hot-Path Directory

Cloudflare's under-the-hood look at D1 explains how separating control-plane work from the data plane, sharding metadata, and scheduling expensive database lifecycle operations off the hot path lets the platform scale to millions of SQLite databases.

cloudflared1sqlite

Chaining Three Ivanti Connect Secure Zero-Days to Root a Fully Patched VPN

Attackers chained three Ivanti Connect Secure zero-days to escalate from initial access to root on fully patched VPN appliances, with active exploitation observed before all fixes were available.

ivantizero-dayvpn-security

From app.listen() to Function URLs: A Hands-On Express Migration to Lambda Web Functions

A hands-on walkthrough of moving an Express app from a long-running app.listen() server to AWS Lambda Web Functions behind Function URLs, covering the handler and config changes required, cold-start and scaling trade-offs, and how to decide between Web Functions, containers, and the Web Adapter.

aws-lambdaexpressserverless