Etherius ETHERIUS

Product 02 - Chrome Extension

A focused inbox-defense product for fraud, phishing, and fake opportunity scams.

MailGuard brings the Etherius brand directly into the browser. It helps users inspect opened emails, detect suspicious sender patterns, and surface readable warnings for phishing, impersonation, and fake internship traps inside Gmail and Outlook.

Chrome extension package Gmail and Outlook support Fraud-focused warning flow Latest build: v2.6.2

Why It Exists

Because a large amount of user-facing fraud starts in the inbox, not on the endpoint dashboard.

MailGuard gives the Etherius portfolio a tighter everyday security surface. It focuses on what users actually see first: suspicious messages, fake offers, impersonation attempts, and fast-click traps.

Detection

Fake Internship Scams

Highlights messages that pressure students or candidates with fake offers, registration fees, or suspicious urgency.

Accuracy

Reduced Salary False Positives

The upgraded engine is tuned to distinguish salary and compensation language from actual payment requests so legitimate offer emails are handled more carefully.

Phishing

Suspicious Sender Patterns

Flags senders that do not line up cleanly with expected brand identity using domain age, DNS authentication (SPF/DMARC), open-web intelligence, and multi-site company research signals.

Usability

Readable In-Context Warnings

Users get practical warning guidance inside the inbox instead of abstract security jargon that gets ignored.

Deployment

Simple Customer Rollout

The extension can be downloaded as a curated customer package and loaded quickly for customer evaluation or controlled deployment.

Best Fit

MailGuard is ideal when users need help making better trust decisions fast.

It gives Etherius a lighter-weight entry point for customers who want visible value quickly while still staying aligned to the broader security brand.

01
User downloads the extension package

The package includes the extension source needed for Chrome unpacked loading.

Download
02
Customer adds it in Chrome extensions

The extension is loaded through Chrome's developer extension flow for testing or controlled rollout.

Add
03
User opens Gmail or Outlook

MailGuard scans opened messages and surfaces warnings for suspicious inbox content.

Analyze
04
Risk guidance appears inside the inbox

The user gets direct context and next-step recommendations without leaving the email surface.

Warn
Important: websites cannot silently install a Chrome extension directly outside the Chrome Web Store. This product page gives customers a polished package download and a clean add-extension path. If you later want one-click install, the next release step is Chrome Web Store publishing.
Want the extension package now?

Open the download hub to get the MailGuard package and the quick setup path for Chrome users.