Cybersecurity

3 Guardrails for Email Change Requests and Account Continuity in Media Apps

Changing the email address on a media account is a recovery operation, not a profile edit. Short ans…

Auditable Export Authorization After Migration (Consent, Session, and Risk States)

The page says export_authorization_stalled, the request ID points to a developer's account, and the …

Handling Account Presence Signals: A Deep Dive into WhatsApp Avatar Verification

In modern digital onboarding, verifying user identity often involves balancing friction with securit…

Metrics Driven Security

Security teams have historically operated on instinct. A firewall rule feels right. A new tool seems…

Cloudflare injects a beacon. My CSP said no.

Originally published on indiecore.net. I deployed, opened the console on the live site out of habit…

Password Reset Email Templates: Preview, Localization, and Auditability

Short answer: Choose a stored-template email API when a media password-reset flow needs previewable …

Flash Loan Attack Vector Analysis: Grove Finance

Flash Loan Attack Vector Analysis: Grove Finance Target Protocol: Grove Finance (TVL: $2232.5M) G…

DeFi Smart Contract Vulnerabilities Audit Guide

Here's a thinking process: Analyze User Request: Topic: DeFi smart contract vulnerabilities F…

Fintech Access Shutdown: Profile State Updates and Global Session Revocation

Short answer: treat a fintech user ban as two ordered, independently verified state transitions: fir…

SaaS Administrator Recovery: 5-State SMS OTP Backend for Mobile Apps

Short answer: use an SMS OTP for mobile app administrator recovery, but make the backend own the cha…

How to Use AI for Smart Contract Audits in 2026

Smart contract auditing has evolved from a purely manual, line-by-line review process to a hybrid wo…

Putting a Deterministic Cop Between Your LLM and Its Tools Is Not Optional Anymore

Two points on HN, and the most important architecture diagram you'll see this month A proxy that s…