5 Commits

Author SHA1 Message Date
Kara Zajac 6e5b565e5e docs: add VIGIL showcase page (vigil.netslum.io)
Static landing page reusing the OVERWATCH/SKELETONKEY design system:
hero + main-screen screenshot, the five tracker ecosystems, the
co-movement decision model + OBSERVED/SUSPICIOUS/ALERTING tiers, the
rotating-clone problem, and the fully-offline privacy story.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-15 18:51:04 -04:00
Kara Zajac 52797cf52f README: drop the 'like OVERWATCH' privacy claim
VIGIL is fully offline (no INTERNET permission), but OVERWATCH reaches out for Waze/Citizen/DeFlock data — so equating the two on privacy was inaccurate. Header now states VIGIL's actual property ('fully offline'); the OVERWATCH spatial/temporal framing and code-reuse mentions are unchanged (those are accurate).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0187UiEtasyowhEBYs6s9iF5
2026-07-15 18:16:53 -04:00
Kara Zajac f4635967c7 Use Radar Eye logo in the app header + README
Build APK / build (push) Has been cancelled
- App: top-bar brand mark is now the Radar Eye (drawable/vigil_logo.xml) instead of a generic shield.
- README: centered logo header (docs/logo.png, rendered from docs/logo.svg).
Release 0.1.7.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0187UiEtasyowhEBYs6s9iF5
2026-07-15 18:03:10 -04:00
Kara Zajac 41ab2f21a4 New app icon: Radar Eye (adaptive + themed monochrome)
Build APK / build (push) Has been cancelled
Replaces the inherited OVERWATCH shield with VIGIL's own mark: a watchful eye with a radar-target iris and a green centre contact, in Catppuccin Mocha. Foreground vector (safe-zone sized) + radial-gradient background layer + monochrome layer for Android 13+ themed icons. Release 0.1.6.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0187UiEtasyowhEBYs6s9iF5
2026-07-15 17:56:00 -04:00
Kara Zajac 333dd291cb Honest ring feedback (write-ACK != actually ringing)
Build APK / build (push) Has been cancelled
The DULT/FMDN path reported 'Ringing…' off the GATT write acknowledgement, not the tag's real response — so a tag that ACKs but declines to ring (e.g. because it's not separated from its owner) still showed success. Reworded to 'Ring command sent — a tag only chirps when separated from its owner.' Release 0.1.5.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0187UiEtasyowhEBYs6s9iF5
2026-07-15 13:22:32 -04:00
18 changed files with 1641 additions and 11 deletions
+7 -1
View File
@@ -1,7 +1,13 @@
<div align="center">
<img src="docs/logo.png" alt="VIGIL" width="96" height="96" />
# VIGIL
**What's been following you?**
</div>
A native Android (Kotlin) app that watches for personal item-trackers — Apple
AirTags, Tile, Samsung Galaxy SmartTags, and Google Find My Device / DULT tags —
that are **travelling with you over time**. It is the temporal counterpart to
@@ -22,7 +28,7 @@ that idea.
---
## Privacy first — like OVERWATCH
## Privacy first — fully offline
VIGIL requests **no `INTERNET` permission at all.** There is no server, no account,
no telemetry. Every tracker, every sighting, and the entire learned baseline live
+2 -2
View File
@@ -13,8 +13,8 @@ android {
applicationId = "org.soulstone.vigil"
minSdk = 26
targetSdk = 35
versionCode = 5
versionName = "0.1.4"
versionCode = 8
versionName = "0.1.7"
}
// Fixed debug keystore committed to the repo (a debug key is non-secret — its
@@ -148,7 +148,8 @@ object TrackerRinger {
done("Ringing… listen for the AirTag.", g)
} else {
done(
if (status == BluetoothGatt.GATT_SUCCESS) "Ringing… listen for the tracker."
if (status == BluetoothGatt.GATT_SUCCESS)
"Ring command sent. A tag only chirps when it's separated from its owner — your own tag that's with you won't."
else "The tracker refused the ring command.", g
)
}
@@ -9,7 +9,9 @@ import androidx.compose.material3.FilledTonalButton
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.collectAsState
import androidx.compose.ui.graphics.lerp
import androidx.compose.ui.res.painterResource
import org.soulstone.vigil.service.ScanService
import androidx.compose.foundation.Image
import androidx.compose.foundation.background
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
@@ -70,6 +72,7 @@ import org.soulstone.vigil.BuildConfig
import org.soulstone.vigil.data.db.TrackerEntity
import org.soulstone.vigil.model.Sensitivity
import org.soulstone.vigil.model.TrackerEcosystem
import org.soulstone.vigil.R
import org.soulstone.vigil.model.TrackerStatus
import org.soulstone.vigil.ui.theme.VigilGreen
import org.soulstone.vigil.ui.theme.VigilPeach
@@ -106,7 +109,11 @@ fun MainScreen(
TopAppBar(
title = {
Row(verticalAlignment = Alignment.CenterVertically) {
Icon(Icons.Filled.Shield, null, tint = MaterialTheme.colorScheme.primary)
Image(
painterResource(R.drawable.vigil_logo),
contentDescription = null,
modifier = Modifier.size(26.dp)
)
Spacer(Modifier.size(8.dp))
Text("VIGIL", fontWeight = FontWeight.Bold)
}
@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Mocha radial ground: a subtle lift toward the top-centre, falling to crust. -->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<path android:pathData="M0,0h108v108h-108z">
<aapt:attr name="android:fillColor">
<gradient
android:type="radial"
android:centerX="54"
android:centerY="42"
android:gradientRadius="82"
android:startColor="#2A2A40"
android:endColor="#11111B" />
</aapt:attr>
</path>
</vector>
@@ -1,13 +1,32 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- VIGIL "Radar Eye" — a watchful eye whose iris is a radar target. Content sits
within the adaptive-icon safe zone (centre ~66dp of the 108dp canvas). -->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
android:viewportHeight="108">
<!-- eye outline -->
<path
android:fillColor="#1FAA59"
android:pathData="M54,30 m-18,0 a18,18 0 1,0 36,0 a18,18 0 1,0 -36,0" />
android:pathData="M26,54 Q54,30 82,54 Q54,78 26,54 Z"
android:strokeColor="#89B4FA"
android:strokeWidth="4.5"
android:strokeLineJoin="round"
android:fillColor="#00000000" />
<!-- radar iris — outer ring -->
<path
android:fillColor="#F4F6FA"
android:pathData="M54,30 m-6,0 a6,6 0 1,0 12,0 a6,6 0 1,0 -12,0" />
android:pathData="M54,54 m-11,0 a11,11 0 1,0 22,0 a11,11 0 1,0 -22,0"
android:strokeColor="#89B4FA"
android:strokeWidth="3.2"
android:fillColor="#00000000" />
<!-- radar iris — inner ring -->
<path
android:pathData="M54,54 m-6.5,0 a6.5,6.5 0 1,0 13,0 a6.5,6.5 0 1,0 -13,0"
android:strokeColor="#B4BEFE"
android:strokeWidth="2.8"
android:fillColor="#00000000" />
<!-- centre contact (the detected device) -->
<path
android:pathData="M54,54 m-3.2,0 a3.2,3.2 0 1,0 6.4,0 a3.2,3.2 0 1,0 -6.4,0"
android:fillColor="#A6E3A1" />
</vector>
+27
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@@ -0,0 +1,27 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- VIGIL wordmark glyph (Radar Eye), tight-cropped for in-app use (top bar). -->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="48dp"
android:height="48dp"
android:viewportWidth="48"
android:viewportHeight="48">
<path
android:pathData="M4,24 Q24,8 44,24 Q24,40 4,24 Z"
android:strokeColor="#89B4FA"
android:strokeWidth="3"
android:strokeLineJoin="round"
android:fillColor="#00000000" />
<path
android:pathData="M24,24 m-7.5,0 a7.5,7.5 0 1,0 15,0 a7.5,7.5 0 1,0 -15,0"
android:strokeColor="#89B4FA"
android:strokeWidth="2.4"
android:fillColor="#00000000" />
<path
android:pathData="M24,24 m-4.4,0 a4.4,4.4 0 1,0 8.8,0 a4.4,4.4 0 1,0 -8.8,0"
android:strokeColor="#B4BEFE"
android:strokeWidth="2"
android:fillColor="#00000000" />
<path
android:pathData="M24,24 m-2.2,0 a2.2,2.2 0 1,0 4.4,0 a2.2,2.2 0 1,0 -4.4,0"
android:fillColor="#A6E3A1" />
</vector>
@@ -1,5 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/bg_dark" />
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
<monochrome android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>
@@ -1,5 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/bg_dark" />
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
<monochrome android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>
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+46
View File
@@ -0,0 +1,46 @@
/* OVERWATCH landing — count-up stats + scroll reveal. No network, no deps. */
(function () {
'use strict';
const reduceMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
/* count-up numbers when the stats row scrolls into view */
function countUp(el) {
const target = parseInt(el.dataset.target, 10);
if (isNaN(target)) return;
if (!target || reduceMotion) { el.textContent = String(target); return; }
const dur = 1100, start = performance.now();
(function tick(now) {
const p = Math.min(1, (now - start) / dur);
el.textContent = String(Math.round(target * (1 - Math.pow(1 - p, 3))));
if (p < 1) requestAnimationFrame(tick);
})(performance.now());
}
const statsRow = document.getElementById('stats-row');
if (statsRow) {
const nums = statsRow.querySelectorAll('.num[data-target]');
if ('IntersectionObserver' in window && !reduceMotion) {
const io = new IntersectionObserver((entries, obs) => {
entries.forEach((e) => {
if (e.isIntersecting) { nums.forEach(countUp); obs.disconnect(); }
});
}, { threshold: 0.4 });
io.observe(statsRow);
} else {
nums.forEach((el) => { el.textContent = el.dataset.target; });
}
}
/* scroll-triggered reveal */
const reveals = document.querySelectorAll('.reveal');
if (!('IntersectionObserver' in window) || reduceMotion) {
reveals.forEach((el) => el.classList.add('in'));
} else {
const ro = new IntersectionObserver((entries, obs) => {
entries.forEach((e) => {
if (e.isIntersecting) { e.target.classList.add('in'); obs.unobserve(e.target); }
});
}, { threshold: 0.12, rootMargin: '0px 0px -40px 0px' });
reveals.forEach((el) => ro.observe(el));
}
})();
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+375
View File
@@ -0,0 +1,375 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>VIGIL — what's been following you?</title>
<meta name="description" content="A native Android app that watches for personal item-trackers — AirTags, Tile, Samsung SmartTags, Google Find My — travelling with you over time. Fully offline, no INTERNET permission. The temporal counterpart to OVERWATCH.">
<meta property="og:title" content="VIGIL — what's been following you?">
<meta property="og:description" content="Android app that flags AirTags, Tile, SmartTags & Find My trackers travelling WITH you over time — even rotating-key clones. Fully offline, listens only.">
<meta property="og:type" content="website">
<meta property="og:url" content="https://vigil.netslum.io/">
<meta property="og:image" content="https://vigil.netslum.io/og.png">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="https://vigil.netslum.io/og.png">
<meta name="theme-color" content="#07070d">
<link rel="icon" type="image/svg+xml" href="logo.svg">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@500;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="bg-mesh" aria-hidden="true">
<div class="mesh-blob mesh-blob-1"></div>
<div class="mesh-blob mesh-blob-2"></div>
<div class="mesh-blob mesh-blob-3"></div>
</div>
<nav class="nav">
<div class="container nav-inner">
<a class="nav-brand" href="#">
<img class="nav-logo" src="logo.svg" width="30" height="30" alt="" aria-hidden="true">
VIGIL
</a>
<div class="nav-links">
<a href="#detects">What it detects</a>
<a href="#decides">How it decides</a>
<a href="#clones">Clones</a>
<a href="#download">Download</a>
<a class="nav-github" href="https://github.com/KaraZajac/VIGIL" aria-label="GitHub">
<svg height="18" viewBox="0 0 16 16" width="18" fill="currentColor" aria-hidden="true">
<path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/>
</svg>
</a>
</div>
</div>
</nav>
<!-- ──────────────── HERO ──────────────── -->
<header class="hero">
<div class="container hero-inner">
<div class="hero-eyebrow">
<span class="dot dot-pulse"></span>
v0.1.7 · Android · prototype
</div>
<h1 class="hero-title">
<span class="display-wordmark">VIGIL</span>
</h1>
<p class="hero-tag">
<strong>What's been following you?</strong> A native Android app that
watches for personal item-trackers — AirTags, Tile, Samsung SmartTags,
Google Find My — that are <strong>travelling with you over time</strong>.
<span class="hero-tag-pop">A tracker being near you means nothing. The signal is persistence.</span>
</p>
<div class="phone-hero">
<img class="phone" src="img/vigil-main.png" width="1096" height="2560"
alt="VIGIL main screen: a green &quot;You're clear — nothing has been following you&quot; card, a Stop Watching button, and a High/Medium/Low sensitivity selector." loading="eager">
</div>
<div class="stats-row" id="stats-row">
<div class="stat-chip"><span class="num" data-target="5">0</span><span>tracker ecosystems</span></div>
<div class="stat-chip stat-vfy"><span class="num" data-target="3">0</span><span>escalation tiers</span></div>
<div class="stat-chip"><span class="num" data-target="0">0</span><span>internet permission</span></div>
<div class="stat-chip"><span class="num">v0.1.7</span><span>latest APK</span></div>
</div>
<div class="cta-row">
<a class="btn btn-primary" href="https://github.com/KaraZajac/VIGIL/releases/latest">
↓ Download APK
</a>
<a class="btn" href="#clones">The clone problem</a>
<a class="btn btn-ghost" href="https://github.com/KaraZajac/VIGIL">
<svg height="16" viewBox="0 0 16 16" width="16" fill="currentColor"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/></svg>
Source on GitHub
</a>
</div>
<p class="hero-warn">Prototype / work in progress. Debug-signed APK — sideload; no Play Store. <a href="https://github.com/KaraZajac/VIGIL">Read the README.</a></p>
</div>
</header>
<!-- ──────────────── OVERWATCH SIBLING ──────────────── -->
<section class="section section-callout reveal">
<div class="container">
<div class="callout">
<div class="callout-mark">🛰</div>
<div>
<h3>The temporal counterpart to <a href="https://overwatch.netslum.io">OVERWATCH</a></h3>
<p>
<strong>OVERWATCH is spatial</strong> — what surveillance is watching
<em>this place</em>, right now. <strong>VIGIL is temporal</strong>
what has been with <em>you</em>, across time and places. VIGIL reuses
OVERWATCH's proven passive-scanning stack and adds a persistent
on-device store to reason about a tracker's history.
</p>
</div>
</div>
</div>
</section>
<!-- ──────────────── WHAT IT DETECTS ──────────────── -->
<section id="detects" class="section section-bento reveal">
<div class="container">
<div class="section-head">
<span class="section-tag">what it detects</span>
<h2>Five ecosystems. One tell: separated from its owner.</h2>
<p class="lead">VIGIL recognises each BLE wire format and, where the
ecosystem signals it, filters to the <strong>separated-from-owner</strong>
state — the only state in which a <em>following</em> tracker is even
detectable. Chipolo, Pebblebee, eufy and the rest inherit whichever
network their SKU joined, so VIGIL detects the <em>network</em>.</p>
</div>
<div class="bento">
<article class="bento-card">
<div class="bento-icon">🍎</div>
<h3>Apple Find My / AirTag</h3>
<p>Mfg data, company <code>0x004C</code>, type <code>0x12</code>. Separated when the "maintained" status bit is cleared. ~24 h re-link window.</p>
</article>
<article class="bento-card">
<div class="bento-icon">🟢</div>
<h3>Google Find My Device</h3>
<p>Service data <code>0xFEAA</code>, frame <code>0x40/0x41</code>. Frame <code>0x41</code> is the cleartext separated state.</p>
</article>
<article class="bento-card">
<div class="bento-icon">🔵</div>
<h3>Samsung Galaxy SmartTag</h3>
<p>Service data <code>0xFD5A</code>; the state byte flags lost / overmature-lost — the following state.</p>
</article>
<article class="bento-card">
<div class="bento-icon">🟩</div>
<h3>Tile</h3>
<p>Service data <code>0xFEED / 0xFEEC</code>. No separated signal and a static MAC — always findable, indefinitely.</p>
</article>
<article class="bento-card bento-lg">
<div class="bento-icon">🔗</div>
<h3>DULT (unified, emerging)</h3>
<p>Service data <code>0xFCB2</code>; the near-owner bit (byte 14 LSB) marks separation. The cross-industry standard the whole ecosystem is converging on — VIGIL parses it today.</p>
</article>
</div>
</div>
</section>
<!-- ──────────────── HOW IT DECIDES ──────────────── -->
<section id="decides" class="section reveal">
<div class="container">
<div class="section-head">
<span class="section-tag">how it decides</span>
<h2>Persistence, not proximity.</h2>
<p class="lead">A tracker is escalated only when it clears the
<strong>co-movement test</strong> — the same device, seen at many of
<em>your</em> distinct places, over a sustained window, while close enough
to actually be on you.</p>
</div>
<div class="bento">
<article class="bento-card">
<div class="bento-icon">📍</div>
<h3>≥ N distinct places</h3>
<p>Geohash-7 cells; N = 2 / 3 / 4 by sensitivity. A tracker seen only where you dwell isn't following — it lives there.</p>
</article>
<article class="bento-card">
<div class="bento-icon"></div>
<h3>≥ 3 sightings over ≥ T minutes</h3>
<p>Debounced to one per 15 min; T = 30 / 45 / 90 by sensitivity. Persistence across time, not a single blip.</p>
</article>
<article class="bento-card">
<div class="bento-icon">📶</div>
<h3>RSSI proximity gate</h3>
<p>It must have been genuinely close — on-body / in-bag — at least once. This is the piece AirGuard omits; it rejects "a Tile in a passing car."</p>
</article>
</div>
<div class="tiers" style="margin-top:2.4rem">
<div class="tier tier-green">
<div class="tier-name" style="font-size:1.15rem">OBSERVED</div>
<p>Seen, logged, geotagged — but hasn't cleared the co-movement test. No alarm.</p>
</div>
<div class="tier tier-yellow">
<div class="tier-name" style="font-size:1.15rem">SUSPICIOUS</div>
<p>Co-moving across your places. VIGIL is watching it closely.</p>
</div>
<div class="tier tier-red">
<div class="tier-name" style="font-size:1.15rem">ALERTING</div>
<p>Confirmed following you. Surfaced with the "Make it ring" and hot/cold finder tools.</p>
</div>
</div>
<div class="feature-split" style="margin-top:2.8rem">
<div class="explain-annotations" style="grid-column:1 / -1">
<div class="annotation">
<span class="anno-num"></span>
<div>
<strong>Allowlist — "This is mine"</strong>
<p>Tap a tracker to approve it — your own AirTag, your partner's Tile — and it never alerts again.</p>
</div>
</div>
<div class="annotation">
<span class="anno-num"></span>
<div>
<strong>Learned offline baseline</strong>
<p>VIGIL learns the places you dwell (home, work) as anchors; a tracker seen at an anchor across several days is auto-marked <strong>Known (home)</strong> — so household tags fall silent on their own, entirely on-device.</p>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- ──────────────── CLONES ──────────────── -->
<section id="clones" class="section section-feature reveal">
<div class="container">
<div class="section-head">
<span class="section-tag">the hard part</span>
<h2>Catching the clone.</h2>
<p class="lead">
Every shipping detector — AirGuard, iOS, Android's built-in — keys on
<strong>device identity</strong>. A key-rotating clone (Positive
Security's <em>Find You</em>: ~2,000 Find My keys, a new one every 30 s)
looks like 2,000 one-off devices and evades them all — it tracked a
phone for five days with zero alerts.
</p>
</div>
<div class="callout" style="border-color:rgba(239,68,68,.32)">
<div class="callout-mark">🎯</div>
<div>
<h3>Detect the attack, not the device</h3>
<p>
A rotating clone is <em>one</em> physical radio holding an unbroken,
close-range, co-moving RF presence — even as its identity churns
thousands of times faster than any standards-compliant tracker is
allowed to. VIGIL's <code>PresenceEngine</code> pairs a CUSUM churn
trigger with an identity-agnostic presence-track confirmer and the
co-movement gate — an "identity-path × churn-path squeeze" that leaves
no safe rotation rate. First version implemented and unit-tested
against synthetic clone/ambient traces; field-tuning is what remains.
</p>
<a href="https://github.com/KaraZajac/VIGIL/blob/main/docs/detection-rotation-clone.md" class="audience-link" style="margin-top:.8rem;display:inline-block">Read the algorithm →</a>
</div>
</div>
</div>
</section>
<!-- ──────────────── FINDING + PRIVACY ──────────────── -->
<section class="section section-bento reveal">
<div class="container">
<div class="section-head">
<span class="section-tag">on-device, private</span>
<h2>Fully offline. It only listens.</h2>
</div>
<div class="bento">
<article class="bento-card bento-lg">
<div class="bento-icon">🔒</div>
<h3>No <code>INTERNET</code> permission at all</h3>
<p>
There is no server, no account, no telemetry. Every tracker, every
sighting, and the entire learned baseline live in an on-device SQLite
database and <strong>never leave the phone</strong>. Detection is
entirely passive — it listens only.
</p>
</article>
<article class="bento-card">
<div class="bento-icon">🔔</div>
<h3>Make it ring</h3>
<p>Tap a suspected tracker to connect over GATT and play its own sound — the DULT-standard way for a victim to locate a hidden AirTag / Find My / Chipolo tag.</p>
</article>
<article class="bento-card">
<div class="bento-icon">🌡</div>
<h3>Hot / cold finder</h3>
<p>A passive proximity meter — warmer/colder from live signal. Works even on <strong>silent or modified tags that refuse to ring</strong>, which is exactly when you need it.</p>
</article>
</div>
</div>
</section>
<!-- ──────────────── DOWNLOAD ──────────────── -->
<section id="download" class="section section-timeline reveal">
<div class="container">
<div class="section-head">
<span class="section-tag">get it</span>
<h2>Sideload in three steps.</h2>
</div>
<div class="timeline dl-steps" style="grid-template-columns:repeat(3,1fr) !important">
<div class="tl-col tl-shipped">
<div class="tl-tag">1 · download</div>
<ul><li>Grab the latest debug-signed APK from <a href="https://github.com/KaraZajac/VIGIL/releases/latest">Releases</a> (currently <strong>v0.1.7</strong>).</li></ul>
</div>
<div class="tl-col tl-active">
<div class="tl-tag">2 · install</div>
<ul><li>Sideload — allow "install unknown apps" for your browser or files app, then open the APK.</li></ul>
</div>
<div class="tl-col tl-next">
<div class="tl-tag">3 · grant + scan</div>
<ul><li>Grant nearby-devices + location + notifications, pick a sensitivity, and let it run in the background.</li></ul>
</div>
</div>
<p class="tl-foot">
Build from source, read the paper, or file issues:
<a href="https://github.com/KaraZajac/VIGIL">github.com/KaraZajac/VIGIL</a>
·
<a href="https://github.com/KaraZajac/VIGIL/blob/main/paper/vigil.md">the paper</a>
</p>
</div>
</section>
<!-- ──────────────── FOOTER ──────────────── -->
<footer class="footer">
<div class="container footer-inner">
<div class="footer-col">
<div class="footer-brand">
<img class="nav-logo" src="logo.svg" width="26" height="26" alt="" aria-hidden="true">
VIGIL
</div>
<p class="footer-tag">
Temporal counter-tracking for Android. Fully offline, listens only. A
DREAMMAKER project · sibling to OVERWATCH.
</p>
</div>
<div class="footer-col">
<h4>Project</h4>
<ul>
<li><a href="https://github.com/KaraZajac/VIGIL">Source</a></li>
<li><a href="https://github.com/KaraZajac/VIGIL/releases">Releases</a></li>
<li><a href="https://github.com/KaraZajac/VIGIL/blob/main/paper/vigil.md">The paper</a></li>
</ul>
</div>
<div class="footer-col">
<h4>Detects</h4>
<ul>
<li>Apple Find My / AirTag</li>
<li>Google Find My · Tile</li>
<li>Samsung SmartTag · DULT</li>
</ul>
</div>
<div class="footer-col">
<h4>More</h4>
<ul>
<li><a href="https://overwatch.netslum.io">OVERWATCH</a></li>
<li><a href="https://netslum.io">netslum.io</a></li>
</ul>
</div>
</div>
<div class="container footer-bottom">
<p>
VIGIL is a passive, on-device situational-awareness tool. It does not
transmit, probe, or interfere — except the user-initiated "Make it ring".
</p>
<p class="footer-meta">
v0.1.7 · <a href="https://github.com/KaraZajac/VIGIL">github.com/KaraZajac/VIGIL</a>
</p>
</div>
</footer>
<script src="app.js" defer></script>
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<div class="brand"><img src="logo.svg" alt=""><span class="name">VIGIL</span></div>
<div class="tag"><b>What's been following you?</b> A passive Android app that flags AirTags, Tile, SmartTags &amp; Find My trackers travelling <b>with you over time</b> — even rotating-key clones.</div>
</div>
<div class="meta">Apple · Google · Samsung · Tile · <b>DULT</b> &nbsp;&nbsp; fully offline, listens only</div>
<div class="url">vigil.netslum.io</div>
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