Secrets Management in 2026 — Vault, External Secrets Operator, and the Patterns

How to manage secrets in production in 2026. Vault, ESO, cloud secret managers, sealed secrets, rotation, audit, and the developer-friendly patterns.

April 30, 2026 · 3 min · 637 words · Manvendra Rajpoot

Sandboxed Code Execution for AI Agents — E2B, Modal, Daytona, and the 2026 Stack

Why agents need sandboxed code execution, the 2026 platforms (E2B, Modal, Daytona, Fly Machines, custom microVMs), tradeoffs, and how to wire it into an agent.

April 30, 2026 · 5 min · 950 words · Manvendra Rajpoot

LLM Security in 2026 — Prompt Injection, Data Exfiltration, and Defense in Depth

LLM security threats and defenses in 2026. Direct + indirect prompt injection, exfiltration via tool calls or markdown, jailbreaks, and the layered defenses (input tagging, output filtering, allow-lists, OPA, sandboxing).

April 30, 2026 · 6 min · 1219 words · Manvendra Rajpoot

Authentication in 2026 — Passkeys, OAuth 2.1, OIDC, and What to Actually Ship

A practical guide to authentication in 2026 — passkeys as the primary factor, OAuth 2.1 + OIDC for federation, sessions vs JWTs, the right stack for FastAPI / Django / Hono / Next.js, and the security mistakes I keep seeing.

April 29, 2026 · 9 min · 1881 words · Manvendra Rajpoot

Software Supply Chain Security in 2026 — SBOM, SLSA, and Sigstore

How modern supply chain security actually works — SBOMs, SLSA levels, signing with Sigstore/cosign, attestations, and a practical CI pipeline that protects against typosquatting, dependency hijacks, and tampered builds.

April 28, 2026 · 8 min · 1504 words · Manvendra Rajpoot

Linux Server Hardening for App Deployers

A pragmatic Linux server hardening checklist — SSH keys, non-root users, UFW firewall, fail2ban, unattended-upgrades, and the small habits that block most opportunistic attacks.

April 28, 2026 · 7 min · 1485 words · Manvendra Rajpoot

JWT Authentication in FastAPI: A Complete Walkthrough

An end-to-end JWT auth walkthrough for FastAPI: bcrypt password hashing, access + refresh tokens, dependency-injected current user, and how to avoid common pitfalls.

April 28, 2026 · 8 min · 1516 words · Manvendra Rajpoot