Jaime Pillora jpillora

hi, i'm daniel. i'm a 15-year-old high school junior. in my free time, i hack billion dollar companies and build cool stuff.

3 months ago, I discovered a unique 0-click deanonymization attack that allows an attacker to grab the location of any target within a 250 mile radius. With a vulnerable app installed on a target's phone (or as a background application on their laptop), an attacker can send a malicious payload and deanonymize you within seconds--and you wouldn't even know.

I'm publishing this writeup and research as a warning, especially for journalists, activists, and hackers, about this type of undetectable attack. Hundreds of applications are vulnerable, including some of the most popular apps in the world: Signal, Discord, Twitter/X, and others. Here's how it works:

Cloudflare

By the numbers, Cloudflare is easily the most popular CDN on the market. It beats out competitors such as Sucuri, Amazon CloudFront, Akamai, and Fastly. In 2019, a major Cloudflare outage k

	const MAX_INFLIGHT = 4;
	const TOTAL = 100;
	// the given dummy api supports a maximum of 4 of inflight requests.
	// the given code is correct, but it is slow because it processes elements serially.
	// your task is to process 100 elements as fast as possible.
	// run this code with "node/bun test.js".
	// it should print "pass".
	// no external dependencies are allowed.
	async function run(elements) {
	// ============