A compromised professional email account, a cloned social media page, or a hijacked contact form: we often realize the fragility of our online presence only after an incident. Effectively securing our accounts, data, and websites requires fewer miracle tools than well-chosen technical gestures applied in the right places.
Data breaches and targeted phishing: the game-changing threat
Attacks fueled by massive data breaches have reached unprecedented levels in recent years. Requests for assistance on the cybermalveillance.gouv.fr platform continue to rise, the vast majority of which come from individuals.
Further reading : How to log in to my Mon Proxima account and manage its rights securely
Phishing accounts for about a third of these requests. What has changed is the level of personalization. Attackers gather names, addresses, and phone numbers from already compromised databases, then construct credible messages that mimic a bank, an energy provider, or a delivery service.
Data breaches reported to the CNIL increased by 20% in 2024, with incidents affecting more than a million people doubling. In practice, one might receive a fraudulent SMS that cites our real name and home address. Faced with such a message, even a cautious user hesitates.
To check if our credentials have already leaked, we can access the Viruslab site and run a scan on the email addresses we use daily. Knowing which accounts are exposed allows us to prioritize which passwords to change first.
Password manager and two-factor authentication: the technical foundation
Using a different password for each service remains the basic recommendation, but no one remembers 80 complex passwords. This is where a password manager becomes a practical tool, not a gadget.
Software like KeePass (recommended by ANSSI in France) or Bitwarden stores all credentials in an encrypted vault. You only need to remember one master password. The manager generates and automatically fills long, random, and unique passwords for each site.
- Choose a master password of at least 14 characters, mixing uppercase, lowercase, numbers, and special characters. A passphrase (four unrelated words) also works.
- Enable two-factor authentication (2FA) on all accounts that offer it: email, social media, banking, web hosting. A temporary code sent via an app (not SMS, which is more vulnerable to SIM swapping) blocks most unauthorized access attempts.
- Regularly check active sessions on your main accounts. An unknown device connected to your email indicates an ongoing compromise.
A password manager combined with 2FA blocks the vast majority of intrusions. Opinions vary on the choice between mobile app or browser extension, but the goal remains the same: eliminate password reuse.
Securing a WordPress website against common attacks
For those managing a showcase site or a blog on WordPress, the attack surface is broader than a simple user account. Outdated plugins are the primary vector for intrusion. A plugin not updated for six months may contain a known and publicly documented vulnerability.
Three actions drastically reduce the risk:
- Remove unused plugins and themes (not just disable them). Every file present on the server is a potential entry point.
- Install a plugin to detect suspicious activity that logs login attempts, file modifications, and abnormal requests. Wordfence or Sucuri Security serve this purpose.
- Force HTTPS across the entire site and restrict access to the administration interface by IP address when possible. A well-configured .htaccess file is sufficient.
- Schedule automatic weekly backups to external storage (secure cloud or remote server). In case of compromise, you can restore a clean version in minutes.
The security of a WordPress site relies more on regular maintenance than on an expensive firewall. An up-to-date site with three well-maintained plugins will be more robust than a site loaded with security plugins that are never configured.
Protection of minors and new legal frameworks in France
Securing an online presence involves more than just technical aspects. The legal framework is evolving rapidly, and certain legal obligations directly affect websites, social media, and businesses.
In France, Parliament definitively adopted a law in July 2026 prohibiting access to social media for those under 15. This legislation, a first in Europe, requires platforms to implement an age verification system. For site publishers collecting data from young users, compliance with this new framework becomes an obligation to integrate now.
At the same time, French local authorities reported 218 cybersecurity incidents in 2024, showing that the threat also affects public structures and institutional sites. Online security is a collective issue, not just an individual one.
Check your GDPR compliance and legal notices
A site that collects email addresses via a contact form or newsletter must display an up-to-date privacy policy. Forms must include explicit consent, and stored data must be encrypted. Neglecting these obligations exposes you to sanctions from the CNIL, but more importantly, to a loss of trust from visitors.
Thus, protecting your online presence combines daily technical gestures (password manager, 2FA, updates) and vigilance regarding the legal obligations governing data collection and processing. The first useful audit consists of listing your exposed accounts, checking your WordPress plugins, and reviewing your legal notices. These three checks can be done in an afternoon and cover the most common vulnerabilities.