Blog post: Online security

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Product Reviews
Article by Sylvie Martin

Buying online: the rules for safe shopping

Updated on 4 May 2026.

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Achat en ligneHave you ever made an online purchase, whether for a slimming supplement or another product, and not received your order?

Have you ever fallen victim to internet fraud? Or had your banking details stolen?

First, it’s important to know that many problems can arise after making a remote purchase, and since these issues can sometimes spiral out of control, it’s wise to be informed and learn how to detect them in advance.

Whether you’re currently facing a problem or simply researching before making an online purchase, this article summarizes the essential points you should know before ordering online.

For your safety, we recommend reading this article carefully.

What does online shopping involve?

achat-en-ligne-perspectivesOnline shopping is a fast-growing global trend. In 2017 alone, online sales were estimated to reach nearly $660 billion in the United States and $440 billion in Canada and Mexico.

In France, online sales totaled €57 billion in 2014, €64.9 billion in 2015, and were projected to reach €70 billion in 2016.

This growth is largely due to today’s fast-paced lifestyles and the convenience online shopping offers: a wide variety of products, easy price comparisons, no need to travel or wait in line, and the freedom to shop anytime, anywhere.

How to buy online

Merchants typically offer several payment methods for online purchases:

Credit cards (MasterCard, Visa…), PayPal, bank transfers, or cash on delivery. These are the most common options.

All are safe when used in compliance with key security rules outlined below.

– Payment by credit card:

carte-bancaireAccording to France’s CNIL (National Commission for Information Technology and Civil Liberties), credit card data required to complete an online purchase includes:

  • Card number
  • Expiry date
  • CVV (three-digit security code on the card’s back)

Merchants cannot store your card data after the transaction without your explicit consent. Retention is limited to 15 months, and the CVV must never be stored.

Merchants may request additional information (delivery address, account creation) to secure transactions, but must not require customers to accept advertising as a condition of purchase.

– PayPal

This widely accepted payment method requires a PayPal account and is considered secure and reliable.

– Bank transfer

Bank transfers are safe and simple, although a small fee may apply.

– Payment on delivery

You may choose to pay upon delivery of your order, in cash or by check, depending on the seller’s policy.

Encryption and data security

chiffrement-achat-en-ligneTo prevent fraud and data theft, merchants are required to encrypt customer data.

They must comply with standards such as PCI DSS and are strongly advised to implement 3-D Secure protocols for added authentication security.

Merchants should avoid storing customer data on high-risk devices like mobile phones, and should partner with certified providers when necessary.

What to check before ordering online

Before placing an order, verify these key points:

1. General Terms and Conditions of Sale (GTC)

cgv-achat-en-ligneThe GTCs serve as a contract between you and the seller. They outline payment terms, delivery conditions, return policies, customer service, and guarantees.

Read them carefully before proceeding. Accepting them binds you to the listed clauses.

If a site doesn’t clearly display its GTCs, it’s a major red flag.

2. Legal information

All e-commerce sites must display legal notices including ownership details, contact information, data protection policies, and intellectual property rights.

Checking these helps you verify the seller’s legitimacy.

3. HTTPS secure connection

https-achat-en-ligneEnsure the payment page uses HTTPS, not HTTP. Look for https:// in the browser address bar and a padlock icon, which signify a secure connection.

Don’t rely solely on logos or payment icons displayed on the site.

4. Data privacy protection

Trustworthy sites display certification logos and quality seals related to privacy protection.

5. Site presentation

A reputable site is visually professional, easy to read, free from excessive ads, and uses proper language.

Avoid sites full of pop-ups, poor grammar, or fake-looking reviews.

6. User reviews

Seek out both positive and negative reviews across multiple platforms to get a balanced perspective.

Be wary of overly enthusiastic testimonials, which are often fake.

7. Customer service

achat-en-ligne-et-service-clientContact customer service before placing your order to test their responsiveness and professionalism.

8. Payment methods

Choose a payment method you trust and that offers fraud protection.

Why buy from official websites?

A serious company will have an official website to showcase its products. Some also sell through authorized resellers.

Lack of an official site is a red flag. At Arnaque Ou Fiable, we consider a verified official site to be a primary indicator of reliability.

Risks and hidden dangers of online shopping

According to France’s ONDRP, fraudulent bank charges increased by 60% between 2010 and 2013.

– Unauthorized recurring charges

One of the most common scams involves subscription traps disguised as special offers (e.g., “just pay shipping”).

Always read the terms carefully to avoid hidden subscription fees.

– Advertising emails

Be cautious with promotional emails containing links or attachments — they may install malware or steal your data.

– Phishing

phishing-et-achat-en-lignePhishing is a tactic where scammers impersonate trusted organizations to steal sensitive information.

Always verify URLs carefully, as fake sites can look identical to official ones.

What to do in case of a dispute after an online purchase

You have a legal 14-day withdrawal period during which you can cancel your order and receive a refund.

If a problem arises:

– Step 1: Seek an amicable solution

Contact the seller’s customer service to request a return, replacement, or refund. If necessary, send a registered letter with your order details.

– Step 2: Contact a consumer association

Seek assistance from a trade association to help resolve the dispute.

– Step 3: Use a mediator

A mediator can help resolve civil disputes without going to court.

If the seller is in France or the EU, you can contact the DDPP.

For non-European sellers, file a complaint at: https://www.econsumer.gov

– Final step: Legal action

If all else fails, report the seller via: https://www.internet-signalement.gouv.fr

Final tips for safe online shopping

1. Shop on trusted sites

If unsure, research the seller or contact us for assistance.

2. Never enter payment details on unsecured pages (HTTP)

3. Enable 3D-Secure on your credit card

This adds an extra layer of protection via SMS verification.

4. Use cards offering delivery insurance

5. Consider alternative payment methods (PayPal, cash on delivery)

6. Use prepaid or virtual cards

These limit potential losses in case of fraud.

7. Monitor your bank statements

Report any suspicious activity to your bank immediately.

Useful resources:
- Scam Alert: Anti-fraud websites to protect and assist consumers
- Scams, Protect and React: Frauds, Scams and Swindles: How to Protect Yourself and React
- Avoid Online Traps: How to protect yourself from scams

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