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Formjacking attacks are a serious threat to user data while browsing. These cyberattacks involve injecting malicious code into websites to steal personal and financial information entered into forms. Even trusted websites can fall victim to formjacking, making it crucial for users to take precautions when submitting sensitive data online. This article explains how formjacking works, its risks, and how users can protect themselves.

How do formjacking attacks threaten user data during browsing?

Formjacking is a type of cyberattack where hackers inject malicious code into legitimate websites. This code targets forms on the site—such as checkout or login pages—where users enter personal details like credit card information, names, addresses, and passwords. Once the user submits the form, the stolen data is secretly sent to the attacker.

How Does Formjacking Work?

Hackers don’t need to create fake websites to carry out a formjacking attack. Instead, they find vulnerabilities in trusted websites and inject their malicious code into forms. Here’s how it generally works:

1. Injection: Attackers insert their code into a vulnerable webpage, such as a payment page.
2. Data Capture: When a user fills out the form, their data is captured by the injected script.
3. Data Theft: The information is then sent directly to the attacker, without the user or website owner being aware of it.

Why is Formjacking Dangerous?

Formjacking is dangerous because it’s almost invisible to users. When you visit a legitimate website, you trust that it’s safe. However, even reputable sites can be compromised. In 2019, Symantec reported that 4,800 websites were targeted by formjacking every month. This is a staggering number, showing how widespread the issue is.

Moreover, RiskIQ found that one well-known formjacking attack, the Magecart attack, affected over 2 million websites globally. Once your personal or financial data is stolen, it can be sold on the dark web or used for identity theft.

Who is at Risk?

Any user who enters sensitive information into an online form is at risk. Popular targets include:

• Online shoppers: Payment forms are a goldmine for hackers looking to steal credit card details.
• Business websites: Even corporate sites that collect login credentials can be vulnerable.

Small and medium-sized businesses are especially attractive targets because they often lack the resources to implement strong cybersecurity defenses.

How to Protect Yourself from Formjacking

While it’s hard for users to detect formjacking, there are some steps you can take to protect yourself:

1. Use Trusted Payment Methods: Opt for secure payment gateways like PayPal instead of directly entering your credit card details.
2. Keep Your Software Updated: Ensure your browser and security software are up to date. These updates often include patches for known vulnerabilities.
3. Use an Antivirus with Web Protection: Many antivirus programs come with web protection features that can block malicious scripts.
4. Monitor Your Financial Statements: Regularly check your bank and credit card statements for any suspicious activity.
5. Use a Browser Extension: Extensions like NoScript can block unauthorized scripts from running in your browser.

Stats on Formjacking Attacks

• According to Symantec, there were 4,800 formjacking incidents per month in 2019.
• RiskIQ reported that Magecart, a group specializing in formjacking, had compromised 2 million websites worldwide by 2019.
• Visa found that formjacking attacks accounted for 75% of all eCommerce data breaches in 2020.

FAQs

1. Can formjacking happen on secure websites?
Yes, formjacking can happen on secure and trusted websites. Hackers exploit vulnerabilities in the website’s code or third-party services to inject their malicious code.

2. How can I know if a website has been formjacked?
Unfortunately, formjacking is hard to detect since it doesn’t affect the look or function of the website. Using web protection tools and monitoring financial accounts is the best way to stay safe.

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