RainbowSecure Solves Your MFA Headaches

Phishing-Resistant MFA

Passwords that go beyond text — multi-layer security using colors and styles protects sites from phishing and stolen credentials.

Replace Vulnerable MFA Methods

Say goodbye to:
OTP codes that can be phished or replayed, Push notifications users blindly approve, Passwords found in dark web dumps

Enforce Access by Risk

With location-aware MFA, device fingerprinting, and work-hour policies: Block logins from high-risk regions, Require MFA risky scenarios, Trust known devices, challenge unknown ones

Analytics & Audit Logs

Track user logins, device activity, and access patterns with real-time dashboards and exportable audit logs — built for compliance.

Modern Tech + Smart Interaction + AI

How It Works with Microsoft 365

Rainbow Secure integrates via SAML 2.0 Federation with Microsoft Entra ID. Once configured:
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  • Users are redirected to RainbowSecure for login
  • Access granted to Outlook, Teams, SharePoint, OneDrive, etc.
  • MFA challenge is presented based on policy
  • Every event is logged for compliance
Modern Tech + Smart Interaction

Why Rainbow Secure is the Pioneer in Visual MFA

While others rely on outdated push notifications, basic OTPs, or biometric shortcuts RainbowSecure introduced the world’s first interactive, color-and-style based MFA — a visual authentication experience that makes phishing nearly impossible. RainbowSecure changes everything by transforming how users interact with login security — making it visual, intuitive, and unbreakable.
First-of-its-Kind: Style + Color + Position = Secure Login
RainbowSecure is the only MFA plugin that lets users personalize login with:
  • 17 million colors as font color
  • 17 million color as background color
  • 100+ font styles — including font name, size, bold, italic, underline
  • Need to choose 1 or 2 style elements
  • Position-based login elements — a world-first in MFA, where text placement becomes part of the authentication

24/7 Elimination Of Cyber Threats


Security that is innovative, interactive, and graphical that protect business 24/7
  • Bruteforce
  • Password Reuse, Sharing
  • Phishing Attacks
  • Keylogger, Malwares
  • Automated Attacks
  • Unauthorized Access
  • Lost Stolen Token or Device
  • SIM Swap, Man in Middle
  • Denial attacks (DDoS)
  • Prevent Credential Theft

Let's Talk
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AI-Driven Defense

For Office Users Who Want Security Without Disruption

Whether you’re checking Outlook, editing Word docs, or joining Teams meetings — RainbowSecure keeps your Office 365 experience secure and seamless.
What You’ll Love as an Office User:
No more phishing worries — even if your password leaks, attackers can’t break your color-style login.
Fast access to Outlook, Teams, SharePoint, and OneDrive — with one visual login.
No push fatigue — we don’t interrupt you with endless app prompts.
Looks like your company — custom login pages that match your brand, not Microsoft’s.
Works on any device — no hardware tokens or extra apps needed.

Secure logins that feel familiar, look better, and protect more — that’s RainbowSecure for Office users.

Buy Our MFA For Office 365 Monthly Plans

MFA for Office 365

Try 30 days Free

$5 / Month /User
ALL FEATURES:
  • Visual MFA (Color & Style Based)
  • Advance OTP via Email & SMS
  • Passwordless login via Phone
  • Self-service password reset
  • Admin Dashboard Access
  • 15-Day Activity Logs
  • 24/7 premium email support
  • Restrict access by country
  • Suspicious Login alerts
  • Protects from stolen dark-web credentials Protects from brute-force attacks Protects from credential phishing attacks


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What Client’s Say About Us

Frequently Asked Questions

  • 2FA or MFA?

    MFA and 2FA are technology names for methods used to secure software accounts and are often used interchangeably. 2FA means two factors to secure account while MFA means two or more factors. 

  • Can I use MFA for Office 365?

    Yes with RainbowSecure you can easily integrate MFA authentication for Office 365 and other business apps using MFA options of OTP, QR code, location, date time, authenticator app and more at competitive pricing. Office 365 by default uses Azure AD but is not suitable for all users. We can help you overcome it with stronger security and better user experience using interactive color and style options.

  • What is MFA in Cloud?

    With the rapid growth in Cloud MFA has become necessary. As companies move their systems to the cloud they can’t rely on a single form of security. Additional MFA security needs to be ensured. MFA will ensure that users are who they say they are by asking to provide, work on additional authentication factors/steps that are more difficult for hackers to imitate, and make account takeover attacks like brute force and phishing attacks impossible and irrelevant.

  • Why using colors and styles make login secure

    Now you have something you know and something you do making the login very strong and secure. Colors and styles make passwords and OTP tokens multi-layered. Colors and styles give extra attributes to every character making the available combinations exponentially larger. In fact, now every character has 36 quadrillion combinations making the resulting hash very very huge. Also, now that login is interactive, it breaks the attack automation using stolen and compromised passwords and tokens.

Three steps: evaluate risk, decide trust, enforce the right challenge.

Rainbow Secure Adaptive MFA reduces friction when things look normal — and steps up security the moment risk changes.

Evaluate context in real time

Analyze device trust, geo-location, time, login velocity, and behavior signals at login — and again during the session.

Assign risk automatically

Low risk = seamless. Medium risk = step-up. High risk = block + alert. Policies are configurable by role, app, and group.

Enforce the right challenge

Trigger interactive verification, OTP methods, or conditional controls only when needed — attackers can’t replay what they can’t replicate.

FROM THE BLOG

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Organizations That Trust Rainbow Secure