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K.B.Dharun Krishna kbdharun

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@hackermondev
hackermondev / zendesk.md
Last active December 10, 2025 17:11
1 bug, $50,000+ in bounties, how Zendesk intentionally left a backdoor in hundreds of Fortune 500 companies

hi, i'm daniel. i'm a 15-year-old with some programming experience and i do a little bug hunting in my free time. here's the insane story of how I found a single bug that affected over half of all Fortune 500 companies:

say hello to zendesk

If you've spent some time online, you’ve probably come across Zendesk.

Zendesk is a customer service tool used by some of the world’s top companies. It’s easy to set up: you link it to your company’s support email (like [email protected]), and Zendesk starts managing incoming emails and creating tickets. You can handle these tickets yourself or have a support team do it for you. Zendesk is a billion-dollar company, trusted by big names like Cloudflare.

Personally, I’ve always found it surprising that these massive companies, worth billions, rely on third-party tools like Zendesk instead of building their own in-house ticketing systems.

your weakest link

@Purpzie
Purpzie / wiki.yml
Created September 4, 2023 17:19
Sync a wiki with a folder in a repository
name: wiki
on:
push:
branches:
- main
paths:
- wiki/**
- .github/workflows/wiki.yml
concurrency:
group: wiki
@bittner
bittner / keyboard-keys.md
Created February 28, 2019 22:50
Keyboard keys markup in MarkDown

Ctrl + Alt + Space

@waldyrious
waldyrious / tldr-pages-cla.md
Last active November 25, 2025 00:13
tldr-pages contributor agreement

tldr-pages contributor agreement

(1) I assert that any past, present and future contributions I make to the tldr-pages project are my own work, and that I have the right to license them.

(2) I agree to license all my contributions to the tldr-pages project under the terms of the license included in the tldr-pages repository I’m contributing to.

(3) I grant the tldr-pages organization a license to distribute my contributions under any open content license compliant with the Open Definition [a], or any open source software license approved by the Open Source Initiative [b], as applicable.

a. http://opendefinition.org/licenses

@tabrindle
tabrindle / webp-convert-directory.sh
Last active August 10, 2025 22:45
Convert all files in directory to webp, with default params, or standard cwebp params passed from command
#!/bin/bash
PARAMS=('-m 6 -q 70 -mt -af -progress')
if [ $# -ne 0 ]; then
PARAMS=$@;
fi
cd $(pwd)