What is a Data Leak? Stop Giving Cybercriminals Access

August 7th · 5 min read

Guardio Research Team
Guardio Research Team

You may have heard the term "data leak" before, but what does it mean? A data leak is when confidential or sensitive information is unintentionally released to an unauthorized party. This can be a huge problem for businesses, as it can give cyber criminals access to valuable data they can use for criminal purposes. In this blog post, we will discuss data leaks and how you can prevent them from happening in your business.

A data leak occurs when information is inadvertently shared. It might be a website, for example, or any other sort of exposure, such as crashed hard drives or computers. This implies that a cyber criminal can gain unlawful access to confidential data with minimal effort.

Run a free security scan in a few clicks

Guardio is a Chrome extension that monitors suspicious activity and blocks hackers from stealing your data.

Verified by Google Chrome.

Instant Results.

4.6/5 based on 3,127+ Trustpilot reviews

Although data breach and data leak are sometimes used interchangeably, they refer to two distinct types of data exposure:

  • When a successful attack is able to secure sensitive data, it's called a data breach.
  • Leaks may result from various issues, including hacking, data security breaches, or unintentional behavior or inactivity on the part of a user.

A hacker may utilize exposed information to construct an effective cyberattack if he or she finds a data leak. As a consequence, the likelihood of data breaches would be significantly decreased if leaks were discovered and addressed promptly.

What are the types of data leaks?

There are two main types of data leaks: internal and external. Internal data leaks occur when an employee or contractor accidentally shares confidential information with someone who does not have the proper clearance to view it. External data leaks, on the other hand, occur when hackers gain access to a company's network and steal sensitive data.

Why do hackers look for data leaks?

Data leaks provide a treasure trove of information for hackers. Leaked data may include login credentials, financial information, or other personal data that can be used to commit fraud or identity theft.

Hackers can also use leaked data to launch phishing attacks. In a phishing attack, the hacker sends an email that appears to be from a legitimate source (such as a bank or credit card company) in an attempt to trick the user into entering sensitive information. This attack is becoming more common, as it is relatively easy to carry out and can be very effective.

It's important to remember that even small businesses are at risk of data leaks. Hackers may target small businesses because they know that they often have less robust security measures in place. As a result, it's important for all businesses to be aware of the risks of data leaks and take steps to prevent them.

Run a free security scan in a few clicks

Guardio is a Chrome extension that monitors suspicious activity and blocks hackers from stealing your data.

Verified by Google Chrome.

Instant Results.

4.6/5 based on 3,127+ Trustpilot reviews

How Can Data Leaks Be Exploited?

Data breaches can be exploited in a variety of ways:

  • Social engineering: This is when a hacker uses human interaction to obtain or manipulate information. For example, a hacker might send an email that appears to be from a legitimate company in an attempt to get the recipient to click on a malicious link or attachment.
  • Malware: Software developed to damage or disable computer systems. Hackers can use malware to gain access to a victim's computer and steal sensitive data.
  • Phishing: This is when a hacker sends an email that appears to be from a legitimate source in an attempt to trick the user into entering sensitive information.
  • DDoS attacks: This is when a hacker overloads a server with requests in order to make it unavailable. This can be done as part of an extortion attempt or simply to disrupt a company's operations.

What causes data leaks?

There are many ways in which a data leakage can occur. They can happen when data is stored insecurely on an unencrypted hard drive or USB drive. They can also occur when data is sent through an insecure network or email server. Data leaks can even happen when employees accidentally share confidential information with someone who does not have the proper clearance to view it. No matter how a data leak occurs, the result is the same: valuable information falls into the wrong hands.

How can data leaks affect me?

Data leaks can have a severe impact on both individuals and businesses. For businesses, a data leak can lead to loss of revenue, customers, and competitive advantage. It can also damage a company's reputation and cause legal problems. A data leak can result in identity theft, financial fraud, and other types of cybercrime for individuals.

Examples of data leaks

One of the most well-known data leaks occurred in 2013 when hackers gained access to over 100 million customer records from Target. The leaked data included names, addresses, phone numbers, email addresses, and credit card information. This leak resulted in millions of dollars in losses for Target.

Another example of a data leak occurred in 2014 when hackers accessed the personal information of over 80 million customers of JPMorgan Chase. The leaked data included names, addresses, phone numbers, and email addresses. This breach was particularly damaging to JPMorgan Chase because it raised questions about the security of the bank's systems.

How can I prevent data leaks?

Preventing data leaks in your business is critical to protecting your sensitive information. There are a few key things you can do to avoid data leaks:

-Educate your employees about the importance of security and confidentiality. Make sure they understand what constitutes a data leak and how to prevent it.

-Limit access to sensitive information. Only allow employees who absolutely need access to confidential data to have it.

-Encrypt all sensitive data, both in transit and at rest. This will make it much more difficult for cybercriminals to access your data if a leak does occur.

-Use secure networks and email servers. Do not send confidential information over an unsecured network or through an unencrypted email.

-Implement strict security policies and procedures. Only allow employees to access the information they need to do their jobs and require them to follow strict confidentiality protocols.

By taking these steps, you can help prevent data leaks from happening in your business. Keep your confidential information safe by being vigilant about security and encrypting all sensitive data. Cybercriminals are always looking for ways to access valuable data, so it's important to make it as difficult as possible for them. Taking these precautions will help protect your business and keep your confidential information out of the wrong hands.

Run a free security scan in a few clicks

Guardio is a Chrome extension that monitors suspicious activity and blocks hackers from stealing your data.

Verified by Google Chrome.

Instant Results.

4.6/5 based on 3,127+ Trustpilot reviews

Be the first to know!

Subscribe to our exclusive mailing list and get the freshest stories from the Guardio team

You may also like