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OSINT & Breach Intel.

Threat research, breach analysis, and practical OSINT guides: email lookup, username search, data breach checking, and infostealer intelligence, from the Revealer.US team.

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Top articles

The guides our readers start with, hand-picked and kept current.

FeaturedGuides

The 9 Best People Search Sites in 2026 (Free & Paid)

A practitioner's ranking of the best people search sites in 2026 — free public-records lookups, paid aggregators, and where each one actually earns its fee.

Aug 25, 202611 min read
Read article
Guides11 min read

Background Check Sites in 2026: FCRA Screening vs. Public-Records People Search

The two categories people confuse when they ask for a background check site: FCRA-regulated consumer reporting agencies, and public-records people search.

Aug 25, 2026Read
Guides8 min read

Reverse Phone Lookup: How It Works and the Best Tools in 2026

How reverse phone lookup actually works — public records, breach data, and directory sources — plus free vs paid tools and lawful investigation use cases.

Aug 25, 2026Read
Guides7 min read

How to Check If Your Email Is in a Data Breach

Check whether your email or password leaked in a data breach, why credential stuffing makes reused passwords dangerous, and what to do next.

May 27, 2026Read
Guides11 min read

How to Remove Yourself from People Search Sites (Opt-Out Guide)

A practitioner's opt-out guide: find which people search sites list you, submit removals in the right order, and keep the records from coming back.

Aug 25, 2026Read
Guides5 min read

What Are Stealer Logs? Infostealer Malware & Exposure Check

Stealer logs are the passwords, session cookies, and autofill data that infostealer malware copies off a device. Check your own email against the ones already in circulation.

May 26, 2026Read
Guides10 min read

The 10 Best Username OSINT Tools in 2026 (Free & Paid)

A practitioner's ranking of ten username OSINT tools — Sherlock, Maigret, WhatsMyName, SpiderFoot and hosted platforms — with honest pros and cons.

Aug 25, 2026Read
Guides10 min read

The 12 Best Free OSINT Tools in 2026 (and When Free Is Not Enough)

Twelve genuinely free OSINT tools — username search, email pivots, breach lookups — plus an honest look at where free stops and a paid layer earns its keep.

Aug 25, 2026Read
Guides11 min read

Is OSINT Legal? What Open-Source Intelligence Can and Can't Do

OSINT is legal in most jurisdictions when you collect public information without bypassing access controls. The boundaries that actually matter sit below.

Aug 25, 2026Read
Guides11 min read

The 9 Best Email OSINT Tools in 2026 (Free & Paid)

A practitioner's ranking of the nine email OSINT tools worth keeping in rotation in 2026, and the order to chain them in.

Aug 25, 2026Read
Industry Insights11 min read

The Best osint.industries Alternatives in 2026

We ran the username richard through osint.industries, Revealer, fingerprint.to, infobreach.net, and the free checkers on the same day. Every number is real, plus the enrichment test most of them failed.

Aug 26, 2026Read

All Articles

62 posts · page 1/7
Threat Intelligence10 min read

Top OSINT Sites in 2026: Ranked with Real Data

We searched the handle richard on the same day across paid OSINT sites, self-hosted CLIs, and free web checkers. fingerprint.to ranks first. Revealer.US ranks second. The numbers, and the extraction test, explain why.

Industry Insights10 min read

The Best Data Breach and Stealer Log Lookup Tools in 2026

We signed up for DeHashed, LeakCheck, Snusbase, and Intelligence X on the same day and searched the same selector. Real result counts, real paywalls, and the one thing free tiers never give you.

Industry Insights8 min read

One Username, Three Engines: What Searching richard Actually Returned

We searched the exact handle richard on Revealer.US, fingerprint.to, and osint.industries on the same day. The scoreboard was close. The investigation was not.

Technical8 min read

How We Verify a Username Match (and the False-Positive Problem)

How a username hit gets confirmed: response-body verification instead of status codes, where false positives come from, and why a match is not a person.

Product7 min read

What Revealer Will and Won't Return: Our Sourcing Limits

What "800+ sources" really means, which data is public record versus breach-derived, what we deliberately do not return, and how opt-out works.

Guides10 min read

How to Find Someone on Tinder: What Actually Works

Tinder has no public directory. What actually works to find someone on Tinder: phone and username pivots, lawful tools, and the hard limits.

Guides9 min read

GitHub Username Search: Finding a Developer's Repos and Profiles

A practical guide to searching GitHub usernames, pivoting from commits to emails and other profiles, and mapping a developer's footprint lawfully.

Guides9 min read

Epieos vs Holehe: Which Email OSINT Tool Should You Use?

Epieos vs Holehe, judged by a practitioner: where each email OSINT tool wins, its blind spots, and when a hosted platform with breach data beats both.

Guides10 min read

What Is a Digital Footprint and How to Check Yours

Your digital footprint is the sum of the data you publish and the data collected about you. How to find it, audit it, and shrink it.

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