In today's digital world, almost every activity requires us to share personal information.
Whether it's signing up for social media, shopping online or using an app, all of them require data such as names, email addresses, phone numbers and passwords.
However, have you ever wondered how that information can eventually spread on the internet?
Many people think that data leaks happen randomly or because hackers continue to steal information from victims.
In fact, data leaks almost always start with a planned cyber attack and do not happen by chance.
How Do Data Leaks Happen?
In short, the process of data leakage usually occurs through the following stages:
Hackers look for weaknesses in websites, applications or servers.
These weaknesses are exploited to gain access to the system.
Hackers steal important data such as usernames, passwords, email addresses, phone numbers and financial information.
The stolen data is then sold, distributed or used for cybercriminal purposes.
If an organization does not have a strong security system, this attack may only be noticed after all the data has been successfully stolen.
What Happens After Data Is Stolen?
After successfully gaining access to a system, hackers have several options for using the data.
These include:
Selling the data on Dark Web forums.
Extorting companies for ransom.
Distributing the data for free to build a reputation in the hacking community.
Using the information to carry out other cyberattacks.
Because of this, a data leak incident can affect millions of users in a short time.
Infostealer: A Threat That Many Are Not Aware Of
In addition to attacking an organization's servers, hackers also use malware known as infostealer.
This malicious software is usually spread through:
Piracy software (cracked software).
Modified games or applications.
Fake email attachments.
Suspicious websites.
When a computer is infected, infostealers will steal various information stored in web browsers such as:
Passwords.
Login cookies.
Social media accounts.
Cryptocurrency wallets.
Other account information stored on the computer.
All of this information is sent to the hackers without the victim realizing it.
Why Do Many Websites Check for Data Leaks?
After data is stolen, it is often uploaded to Dark Web forums or sold to certain parties.
The data is then purchased and analyzed by:
Cybersecurity companies.
Security researchers.
Law enforcement agencies.
Organizations that conduct security investigations.
This is why there are various platforms that allow users to check whether their email address or information has been involved in a data leak.
How to Reduce the Risk?
While no one can guarantee that their data will not be leaked, the risk can be reduced by practicing some basic security measures.
Among them:
Use different passwords for each account.
Enable two-factor authentication (2FA).
Use a password manager.
Avoid downloading pirated software.
Be careful when opening unknown links or attachments.
Do not share personal information unless absolutely necessary.
Data leaks are not something that happens suddenly. They are usually caused by hacker attacks or malware infections such as infostealers that successfully steal information from users or organizations.
In today's digital world, personal data is a very valuable asset.
Therefore, every user needs to be more careful when sharing information on the internet and practice good cybersecurity practices to reduce the risk of becoming a victim of data leaks.
