Published: 25 August 2026.
Launching an online store is technically easier today than ever — a few clicks and a WooCommerce plugin on a WordPress site, and you are ready to sell. But that simplicity creates a false sense of security among thousands of business owners. The moment your site starts processing user accounts and payment transactions, it stops being an ordinary website and becomes a financial target.
Digital Skimming — The Theft You Cannot See
One of the most dangerous threats to online stores is so-called digital skimming (also known as a Magecart attack). Unlike attacks that take a site down, this one is designed to be invisible. The attacker finds a vulnerability in a plugin and injects malicious code directly into the checkout page. The customer enters their card details, the transaction goes through normally, the customer receives a confirmation — but at that same moment the code forwards the card details to the attacker. Store owners often find out only when banks start blocking customers’ cards because of mass fraud.
Neglected Plugins — The Attackers’ Most Common Way In
More than 80% of compromised online stores are hacked through outdated plugins. Owners install dozens of plugins for discounts, search and analytics — and then forget about them. Automated bots continuously scan the internet looking for exactly that old, vulnerable version. Pirated (“nulled”) themes and plugins are a particular risk — in the vast majority of cases they contain hidden access that gives the attacker full administrative control as soon as they are activated.
Employees Are Often a Weaker Point Than the Site Itself
The best technical protection does not help if the store administrator uses a password already used elsewhere. Attackers often target employees rather than the site itself — through an email that looks like a courier notification or a domain shutdown warning. Introducing multi-factor authentication (MFA) for every user with administrative access is not optional, but a basic obligation.
Why a Daily Backup Is Not Enough for a Store
For an ordinary blog, a backup once a day is perfectly adequate. For a store receiving dozens of orders a day, it is not. Imagine: the backup runs at 2 a.m., the site is compromised at 5 p.m., and you have to restore the backup. You return the site to its 2 a.m. state — and you have just wiped every order, payment and registration from those 15 hours. The money has reached your account, but the system no longer knows to whom and where to send the goods. Online stores need real-time or incremental backups, not a conventional daily one.
The Link to the Bigger Picture of Information Security
These are not isolated technical tips — exactly these measures (risk management, access control, an incident response plan, regular backups) are the basis both of what the new Law on Information Security requires of larger operators and of what every serious company should apply regardless of whether it formally falls under the law. If you work with EU partners or plan to grow, these measures stop being “nice to have” and become a condition of doing business.
If you are not sure whether your company formally falls under NIS2 obligations, try the free NIS2 check. For help with site security, backup strategy or full ISO 27001 implementation, request a free consultation.
Source
- ITNetwork.rs — “Vodič o zaštiti WooCommerce prodavnice: kako da vaš e-commerce biznis ne postane plen hakera”, 29 July 2026