Seclum — AI scam protection

Check if a URL, SMS, or password is a scam or breached — AI reasoning, privacy-first. Input is hashed before it's sent.

Seclum reads links and messages the way a careful person would, then explains why it trusts them, or why it doesn't. No blacklists. No tracking. No third-party JavaScript. Open the side panel, docked to the edge of your browser window. It is organized into four tabs: • This site: paste a suspicious link, SMS, or email and get a reasoned verdict in seconds, along with your recent checks. To check the page you are on, right-click it and choose "Check this page URL with Seclum." • Passwords: check whether a password has appeared in a known data breach. It is hashed in your browser first, and only the first five characters of that hash ever leave your device (k-anonymity). We never see your password. • Breaches: check whether your email address has appeared in a known breach. This opens the full checker on seclum.com. • News: a simple, AI-free feed of the latest security news from trusted sources. The panel stays open while you keep reading, so you can check one link after another without reopening it. WHAT YOU GET • An AI-reasoned verdict (safe, suspicious, scam, or unknown) with a confidence score • A plain-English explanation of every signal it detects, such as typosquatting, urgency pressure, credential harvesting, and suspicious TLDs • A password breach check with a severity rating and clear next steps • Five free reasoned checks every 24 hours, with no credit card required • Pay-as-you-go credit packs ($5, $20, $50) for anything beyond that. Credits never expire, and there is no subscription. PRIVACY COMMITMENT • Your URL or SMS is hashed with SHA-256 at the network edge before it reaches our servers • Passwords are hashed with SHA-1 in your browser; the raw password never leaves your device • Our database has no columns for raw URL, SMS, or password content • No third-party JavaScript in the extension. No analytics SDK, no Sentry, nothing. • No tracking pixels, no cross-site tracking, no fingerprinting • Open-source extension code. Audit the manifest, read the code, or build it yourself. SINGLE PURPOSE Check whether a URL, SMS, or password is a scam or has been compromised, using AI reasoning.