Promptissimo.app Phishing

September 30, 2026 at 12:40 AM

Phishing

Leave a review

Checked by Website Reputation Checker

Table of Contents

Danger Zone

Risky Territory

Caution Advised

Trusted but Verify

Safe & Secure

Promptissimo → Safety Check

First checked September 30, 2026 at 12:40 AM

Website content and technical signals analyzed

Method: automated checks.

Phishing This site is classified as Phishing based on multiple risk signals, including 1 blacklist detections, no established public user-review history, and phishing-related signals. These risks are driven by active warning signals despite the site's longer domain history.

Figure 1. Trust signal radar for promptissimo.app. Larger shaded area indicates stronger trust signals.

How we scored promptissimo.app

On-page mentions:

Artificial Intelligence

Tech signals:

Cloudflare Browser Insights

Negative signals:

security-provider warnings
phishing-style impersonation signals
heuristic signals associated with phishing
limited independent reputation data
automated caution checks

Positive signals:

strong independent trust
a long-term domain history (3.7 years)
an active SSL certificate (3 months)

Context signals:

content related to AI-related content

4 /100

Trust Score

3.7 years

Domain Age

Location

External provider warnings

Last checked September 30, 2026 at 12:40 AM by Gridinsoft Trust Model v2.5.5

Share this report?

What is Promptissimo?

We flagged Promptissimo.app as phishing. The page behavior matches a common credential-theft flow: impersonation first, urgency second, data request last.

Typical prompts on sites like this include account alerts, failed-delivery notices, or "verify now" dialogs asking for passwords, card numbers, or one-time codes. Do not submit credentials here. Open the real service in a new tab and check your account directly.

This domain was registered January 24, 2023 at 10:00 PM through the company Cloudflare, Inc. (Personal information withheld). Complaint contact not found.

Is promptissimo.app safe?

— Unfortunately, not likely.

🚨 Gridinsoft blocks this website because it was classified as phishing.

promptissimo.app shows phishing risks and a 4/100 trust score. Do not enter passwords, verification codes, personal details, or payment data.

Why is promptissimo.app marked "Phishing"?

Gridinsoft evaluates promptissimo.app, focusing on limited website popularity, suspicious content indicators (Phishing - High Risk, Heuristic - Phishing, Heuristic Risk), hosting technology and infrastructure, SSL certificate status, website reputation across multiple databases, customer reviews from various independent platforms. We weigh these indicators to calculate the trust score.

Note: Automated systems are not perfect — while the evidence suggests risk, there is still a chance the site is legitimate. We recommend you check the website using detailed analysis or by contacting the company directly through verified channels.

Gridinsoft Anti-Malware

Stay safe with Gridinsoft Anti-Malware: Protect your browser, remove harmful extensions, and secure your privacy in just a few clicks.

Artificial Intelligence

This site references AI-related technologies, features, or product positioning in its content.

Cloudflare Browser Insights

This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.

Phishing - High Risk

Automated analysis detected strong patterns on promptissimo.app associated with phishing or brand impersonation. Exercise extreme caution and avoid entering passwords, verification codes, payment details, or personal information until legitimacy is independently confirmed.

Heuristic - Phishing

Heuristic Risk

External provider warnings: 1/25 Phishing

This section shows what independent external security sources say about this site.

A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.

If no source reports a warning, the site is shown as clear in this section.

BitDefender

Warned

External provider results for Promptissimo.app, last checked September 30, 2026.

Domain Information

Created January 24, 2023 at 10:00 PM Expires: January 24, 2024 at 10:00 PM

Domain Age 3.7 years

Registrant Personal information withheld Protected by Gridinsoft

Registration country France

Registrar Cloudflare, Inc.

Top Level Domain .app Generic TLD

Technical Details

IP Address 104.21.2.6

Hosting Provider Cloudflare, Inc. San Francisco, California, US · Hosting Provider · Anycast

Network AS13335 - Cloudflare, Inc. Hosting

SSL Certificate WE1 TLSv1.3 · Valid for: 3 months · from September 29, 2026 at 2:52 AM · to December 28, 2026 at 3:51 AM

Name Servers dns106.ovh.net
ns106.ovh.net

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title Promptissimo — L'IA pour les indépendants ambitieux

Original description Promptissimo — la formation IA en abonnement pour les indépendants et leurs équipes. Maîtrisez ChatGPT, Claude et l'automatisation no-code pour booster votre business.

Primary Language

Mentioned hosts (6)

fonts.gstatic.com fonts.googleapis.com static.cloudflareinsights.com img1.wsimg.com promptissimo.app csp.secureserver.net

Signs You're Dealing With an Online Scam

Scammers have devised new ways to deceive users, and what was relevant ten years ago may not be applicable today. In this post, we have compiled the most current types of online scams.

Read Now

How to block Promptissimo.app?

Our Anti-Malware can automatically block access to promptissimo.app if it is flagged as malicious.

Install and run the protection.
The program will block flagged domains and remove related threats.

Exclusion

If you believe promptissimo.app is safe, you can add it to the exclusion list:

Open Gridinsoft Anti-Malware → Tools → Ignore List.
Go to the Internet tab and add promptissimo.app.

See detailed instructions for more options.

Are You the Owner?

If you own Promptissimo.app and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

Leave a review

Share your real experience with promptissimo.app. Is it a trustworthy site, or did you encounter any issues? The more detail you provide, the more helpful your review is for others!

Publication Tip

- Your feedback helps us improve our security scores.
- Detailed reviews describing your real-life experience have a much higher chance of being published.
- Your email remains confidential.

Signed in via Gridinsoft Portal · View profile

Your score for promptissimo.app

5 4 3 2 1

Check another website

Verify the security of domains and services based on 10M+ real websites.

Phishing

Latest Reports

Is This Your Website?

Think your website was scored unfairly? Request a reevaluation and our team will take another look.