---
title: "Divyesh P K (@pkdivyesh) | Hashnode"
description: "Exploring coding, security & cloud. Writing about cloud security + fascinating finds—from genius tricks to quirky implementations!"
url: "https://hashnode.com/@pkdivyesh"
---

@pkdivyesh

# Divyesh P K

@pkdivyesh · Bangalore · Joined November 2025

Exploring coding, security & cloud. Writing about cloud security + fascinating finds—from genius tricks to quirky implementations!

[Website](https://pkdiv.com/)

### [AWS EC2 Placement Groups](https://blog.pkdiv.com/aws-ec2-placement-groups?utm_source=hashnode&utm_medium=feed)

Placement Groups allow users to influence the placement of EC2 Instances within AWS’s Infrastructure.

2 min read · [blog.pkdiv.com](https://blog.pkdiv.com/aws-ec2-placement-groups?utm_source=hashnode&utm_medium=feed)

[May 5](https://hashnode.com/posts/aws-ec2-placement-groups/69f9b05446610fd6068cfe90)

### [Secure Your Homelab with Tailscale: Access Self-Hosted Services from Anywhere](https://blog.pkdiv.com/secure-your-homelab-with-tailscale-access-self-hosted-services-from-anywhere?utm_source=hashnode&utm_medium=feed)

Securely access your home lab from anywhere. Learn to set up Tailscale with ACL tags and MagicDNS for private, zero-config remote access to services.

4 min read · [blog.pkdiv.com](https://blog.pkdiv.com/secure-your-homelab-with-tailscale-access-self-hosted-services-from-anywhere?utm_source=hashnode&utm_medium=feed)

[May 4](https://hashnode.com/posts/secure-your-homelab-with-tailscale-access-self-hosted-services-from-anywhere/69f892dd46610fd606df3e8f)

### [Domain fronting: a missed validation that enabled stealth](https://blog.pkdiv.com/domain-fronting-a-missed-validation-that-enabled-stealth?utm_source=hashnode&utm_medium=feed)

Domain Fronting is a technique used to bypass filtering and surveillance by concealing the true destination of a request.

3 min read · [blog.pkdiv.com](https://blog.pkdiv.com/domain-fronting-a-missed-validation-that-enabled-stealth?utm_source=hashnode&utm_medium=feed)

[Nov 19, 2025](https://hashnode.com/posts/domain-fronting-a-missed-validation-that-enabled-stealth/691da02e8e002c4fe20b0ce5)

### [Passkeys - Password less authentication](https://blog.pkdiv.com/passkeys-password-less-authentication?utm_source=hashnode&utm_medium=feed)

Passwords-based authentication has been the most common method of authentication for most services on the internet. While implementing password-based authentication is uncomplicated process , it presents various challenges. With the users signing up ...

2 min read · [blog.pkdiv.com](https://blog.pkdiv.com/passkeys-password-less-authentication?utm_source=hashnode&utm_medium=feed)

[Jun 7, 2025](https://hashnode.com/posts/passkeys-password-less-authentication/691f594141ac20364c82558d)